JP3682049B2 - Communication device adapter, relay server, and Internet telephone network system - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
According to the present invention, a telephone apparatus adapter is connected to a telephone which is one of telephone apparatuses, the telephone apparatus adapter is connected to an IP network and a public line, and a conversation between the telephones is performed using either the public line or the IP network. The present invention relates to an Internet telephone network system performed via one side. In addition, when the phone is in an environment where it is blocked by a firewall, a relay server is installed in an environment not blocked by the firewall, and the conversation between the phones is relayed by the relay server, so that the firewall is exceeded. The present invention relates to an Internet telephone network system for performing conversation between telephones.
[0002]
[Prior art]
Recently, Internet telephones have been used instead of telephones using conventional public lines by transmitting and receiving voice data as IP (Internet Protocol) packets over the Internet and intranets, which are computer networks. A technique for this purpose is called Voice over Internet Protocol (hereinafter referred to as VoIP).
[0003]
As a device for realizing this Internet phone, a general device is a gateway device installed between a route on a network and a telephone (NIKEI COMMUNICATION 1999.2.1, Page 126-133 describes a gateway device). Is.) There are various types of gateway apparatuses ranging from a large-scale apparatus that supports many telephone lines to a small-scale apparatus such as a telephone adapter for easily connecting a conventional telephone to a network. 44 shows, for example, NTT Corporation's VolaLink-TA (http://vocallink.ssi.isp.ntt.co.jp/) and Soliton Systems Corporation's Solphone (http://www.solito.co.jp). It is a conventional Internet telephone adapter device shown in a VoIP adapter such as jp /) (Solphone product brochure). The Internet telephone adapter device includes voice data digital / analog conversion means 500, voice data analog / digital conversion means 600, IP network communication processing means 5000, telephone number IP address conversion means 300, and public line signal transmission / reception means 1100. One of the Internet telephone adapter devices is connected to the telephone 10 and the other is connected to the IP network.
[0004]
Next, the operation will be described.
From the telephone 10, voice data spoken by the user is transmitted as an analog signal to the telephone adapter device. The analog signal is converted into a digital signal by voice data analog-digital conversion means 600, voice-coded by IP network communication processing means 5000, processed as voice packet data, and transmitted to the IP network. In this way, the user's voice is transmitted to the other party's telephone.
[0005]
On the other hand, voice data spoken by the user at the other end of the call is transmitted as voice packet data from the IP network, and the IP network communication processing unit 5000 receives the voice data and performs a disassembly process to obtain a voice code portion. And perform voice decoding. Further, the digital signal is converted into an analog signal by the voice data digital / analog converting means 500 and transmitted to the telephone 10 of the user. Thereby, the telephone 10 can listen to the other party's speaking voice.
[0006]
In addition, it is necessary to convert the IP address for identifying the telephone number of the telephone of the call destination input from the telephone 10 on the IP network. For example, information associating a telephone number with an IP address is stored in advance in the telephone number IP address conversion means 300. The telephone number input from the telephone is received by the public line signal transmission / reception means 1100, and the IP address corresponding to the telephone number is obtained by the telephone number IP address conversion means 300. This makes it possible to directly specify and access the telephone adapter of the call destination on the IP network.
[0007]
[Problems to be solved by the invention]
First, the conventional Internet telephone adapter is connected to the public line directly and can be used for the conventional telephone, but the telephone adapter is connected to the IP network and is not connected to the public line. Therefore, with the telephone adapter connected, there is a problem that when the Internet telephone cannot be used, it is not possible to switch to the public line and make a call from the telephone through the public line.
[0008]
The Internet telephone network system of the present invention has been made to solve the above-described problems. The signal line from the telephone is kept connected, and it can be connected to either the IP network side or the public line side as necessary. The purpose is to be able to make a phone call.
[0009]
Second, in order to make an Internet call via an IP network, the conventional Internet telephone adapter needs to register and set the IP address of the telephone adapter of the other party of the call in advance in its own telephone adapter. There is a problem that a person always takes time to perform the input work.
[0010]
The Internet telephone network system according to the present invention is made to solve the above-mentioned problems, and the user checks the IP address of the communication device adapter of the other party in advance, and the telephone number IP address of his communication device adapter. It is an object to eliminate the work of setting the conversion means.
[0011]
Third, the conventional Internet telephone adapter performs a telephone conference that allows authentication management of participants who participate in a call via an IP network with three or more parties by combining only a telephone and an adapter connected to the telephone. There was a problem that could not.
[0012]
The Internet telephone network system according to the present invention is made to solve the above-mentioned problems, and authentication of participants who participate in a call via an IP network by three or more persons is only a combination of a telephone and an adapter. The purpose is to be able to conduct a conference call that can be managed.
[0013]
Fourthly, the conventional Internet telephone adapter has a problem that a setting input / output device for setting internal information for maintenance work is incorporated, which increases the mounting cost of the device itself.
[0014]
The present invention has been made to solve the above-mentioned problems, and it is possible to set internal information for maintenance work from an existing telephone or general-purpose personal computer connected to a telephone adapter. The purpose is to reduce the additional cost of the setting input / output device.
[0015]
Fifth, the conventional Internet telephone adapter has a problem that it is difficult to ensure real-time characteristics for voice data communication processing.
[0016]
The Internet telephone network system of the present invention has been made to solve the above-described problems, and aims to improve the real-time characteristics of voice data communication processing.
[0017]
Sixth, the conventional Internet telephone adapter has a problem in that an arbitrary UDP port cannot generally be used in communication processing of voice data via a firewall.
[0018]
The Internet telephone network system of the present invention has been made to solve the above-mentioned problems. For communication processing of voice data via a firewall, some specific UDP ports are designated in advance. An object of the present invention is to perform communication processing of audio data that exceeds the firewall by performing communication processing for the UDP port.
[0019]
The Internet telephone network system according to the present invention is made to solve the above-described problems. For the communication processing of voice data via a firewall, the UDP of the communication device adapter of the other party of the call is used. The purpose is to perform voice data communication processing beyond the firewall by scanning the port and finding a usable UDP port.
[0020]
The Internet telephone network system of the present invention has been made to solve the above-mentioned problems. For communication processing of voice data via a firewall, the HTTP of the communication device adapter of the other party of the call is used. The purpose is to perform communication processing of voice data over a firewall by scanning a port and finding an available HTTP port.
[0021]
Seventh, the conventional Internet telephone adapter has a problem that a packet of voice data to be communicated has a header portion of various protocols larger than the voice data itself, and the amount of network traffic tends to increase. there were.
[0022]
The Internet telephone network system of the present invention has been made to solve the above-mentioned problems. By reducing the header portion of various protocols of voice data packets as much as possible, the amount of network traffic can be reduced. The purpose is to do.
[0023]
Eighth, the conventional Internet telephone adapter has a problem in that stable voice quality cannot be maintained when the traffic situation of the IP network is unstable.
[0024]
The Internet telephone network system of the present invention has been made to solve the above-mentioned problems, while monitoring the status of network traffic and referring to records of past average situations. It is an object of the present invention to perform packet transfer processing of optimum voice data according to the above.
[0025]
Ninth, in the case of a conventional Internet telephone adapter, when a firewall is installed between the network at the installation site and the external Internet, it is necessary to change the firewall setting so that voice data can be passed. However, there are many cases where it is impossible to accept such requests for configuration changes from users due to general firewall management policies, so it is impossible to use Internet telephones that substantially exceed the firewall. There was a problem.
[0026]
The Internet telephone network system according to the present invention was made to solve the above problems, and even when a firewall is installed between the network at the installation site and the external Internet. It is an object of the present invention to make it possible to use an Internet telephone without changing any firewall setting using an HTTP port that is most commonly opened for data transmission / reception.
[0027]
Tenth, in the conventional Internet telephone adapter, the telephone device itself can be connected to a public line via a telephone device management device such as a PBX or a button telephone device, but the conventional telephone can be used. It is said that you cannot make a call to a public line via a telephone device management device such as a PBX or a button telephone device, even if you are using an Internet phone via an IP network or not. There was a problem.
[0028]
The Internet telephone network system of the present invention has been made to solve the above-mentioned problems, and the signal line from the telephone device is connected via the PBX or the button telephone device, as needed. The purpose is to be able to make a call to either the IP network side or the public line side.
[0029]
Eleventh, the conventional Internet telephone adapter can be used even when the number display function (number display function) service can be used as a public line contract, when using an Internet telephone via an IP network, or when it cannot be used. There was a problem that the number display function could not be used in the telephone device.
[0030]
The Internet telephone network system of the present invention has been made to solve the above-described problems. In a telephone apparatus that has a contract for the number display function, the telephone adapter is connected to a public line and an IP. The purpose is to be able to use the number display function when making a telephone call via a network.
[0031]
[Means for Solving the Problems]
In an Internet telephone network system using a digital communication line for communicating digital data and an analog communication line for communicating analog data according to the present invention, the Internet telephone network system includes:
It has a communication device adapter for inputting predetermined information, selecting one of the digital communication line and the analog communication line, and outputting the predetermined information to the selected path.
[0032]
In the Internet telephone network system according to the invention, the digital communication line is an IP (Internet Protocol) network,
The analog communication line is a public line,
The predetermined information is at least call information,
The call device adapter is connected to a call device that outputs at least the call information.
A public line signal processing unit that inputs the call information output from the call device; an IP network communication processing unit that performs at least one of transmission and reception of the call information via the IP network;
A connection destination determination unit that generates route selection information for selecting one of the routes of the public line and the IP network;
The route selection information is input from the connection destination determination unit, and the call information input from the public line signal processing unit is output to either the public line or the IP network communication processing unit based on the route selection information. The line connection switching unit
It is provided with.
[0033]
Further, in the Internet telephone network system according to the invention, the call device outputs the call information including identification information for identifying a destination to which the call information is transmitted,
The public line signal processing unit inputs the identification information,
The IP network communication processing unit specifies address information for identifying a destination to which the call information is transmitted, and transmits the call information to the IP network.
The communication device adapter is
An address conversion table for storing the address information and the identification information in association with each other;
An address conversion unit that converts the identification information into the address information using the address conversion table;
With
The connection destination determination unit generates the route selection information using the address information when the address conversion unit can convert the identification information into the address information, and the address conversion unit converts the identification information into the address information. When the address information cannot be converted, the route selection information is generated using the identification information, and the generated route selection information is output to the line connection switching unit.
[0034]
Further, in the Internet telephone network system according to the invention, when the connection destination determination unit cannot convert the identification information into the address information by the address conversion unit, a destination to which the call information is transmitted via the IP network. An IP address learning unit that determines that the call information can be received and updates the address conversion table based on the determination result.
[0035]
Further, in the Internet telephone network system according to the invention, the public line signal processing unit is configured to send address information corresponding to identification information of the call device on the side transmitting the call information to a partner transmitting the call information. Is transmitted.
[0036]
Further, in the Internet telephone network system according to the invention, the call information that is transmitted or received at least to or from the IP network by the IP network communication processing unit is digital voice data,
The call information output from the call device and input by the public line signal processing unit is analog voice data, and the call device can recognize analog voice data.
The call device adapter includes a digital / analog conversion unit that converts the digital voice data received via the IP network into analog voice data so that the call device can recognize the digital voice data;
An analog-to-digital converter that converts the call information, which is the analog voice data output from the call device and input by the public line signal processing unit, into digital voice data for transmission via the IP network;
It is provided with.
[0037]
Further, an Internet telephone network system according to the invention includes a plurality of the communication devices to which the Internet telephone network system is connected to the communication device adapter that transmits and receives the call information via the IP network
The call device adapter connected to the call device is connected to at least two call device adapters of the plurality of call devices, and mixes the call information received from the plurality of call devices via the IP network. And a call information mixing unit.
[0038]
Further, the Internet telephone network system according to the invention includes at least one communication device adapter among the communication device adapters connected to the plurality of communication devices.
A permission information storage unit for preliminarily storing permission information for confirming that transmission / reception of the call information to / from the plurality of call devices is permitted;
A call request is received prior to the call information received from the plurality of call devices via the IP network, and the permission information stored in the permission information storage unit is referred to based on the call request, and the plurality of A simultaneous call manager that confirms permission to send and receive call information to and from the call device;
It is provided with.
[0039]
In the Internet telephone network system according to the invention, the permission information stored in the permission information storage unit transmits and receives call information between at least a call device identification number for identifying a call device and a plurality of the call devices. It is one of a simultaneous call identification number for identifying a simultaneous call and password information for participating in the simultaneous call.
[0040]
In the Internet telephone network system according to the invention, the IP network communication processing unit inputs control information for controlling the telephone device adapter as the call information via the IP network,
The communication device adapter is
A control information storage unit for storing control information for controlling the communication device adapter;
An IP network data read / write unit for updating the control information stored in the control information storage unit in accordance with the control information input by the IP network communication processing unit;
It is provided with.
[0041]
In the Internet telephone network system according to the invention, the public line signal processing unit inputs control information for controlling the telephone apparatus adapter from the telephone apparatus or the public line as the telephone information. ,
The communication device adapter is
A control information storage unit for storing control information for controlling the communication device adapter;
A telephone input data write unit that updates control information stored in the control information storage unit in accordance with control information input from either the telephone device or the public line;
It is provided with.
[0042]
Further, in the Internet telephone network system according to the invention, the call information for performing at least one of transmission and reception by the IP network communication processing unit is packet information,
The IP network communication processing unit includes a UDP communication processing unit that performs a user datagram protocol (hereinafter referred to as UDP) communication process on the packet information.
[0043]
An Internet telephone network system according to the invention includes a firewall that prevents unauthorized access to the telephone device adapter by the Internet telephone network system on the IP network,
The IP network communication processing unit stores in advance a predetermined UDP port number capable of transmitting the call information to the destination telephone device adapter, beyond a firewall provided for the destination telephone device adapter. It has a UDP port usage manager.
The UDP communication processing unit uses the UDP port number stored in advance in the UDP port use management unit to go over a firewall provided to the partner telephone device adapter and to communicate with the partner telephone device adapter. The call information is transmitted to the mobile phone.
[0044]
Further, in the Internet telephone network system according to the invention, the IP network communication processing unit includes a firewall provided for the destination telephone device adapter with respect to the destination telephone device adapter that transmits the call information. A UDP port communication confirmation unit for confirming a UDP port number capable of transmitting the call information beyond,
The UDP communication processing unit uses the port number confirmed by the UDP port communication confirmation unit to pass through the firewall provided for the partner telephone device adapter to the partner telephone device adapter. Call information is transmitted.
[0045]
In the Internet telephone network system according to the present invention, the IP network communication processing unit includes an RTP communication processing unit that performs Real-time Transport Protocol (hereinafter referred to as RTP) communication processing on the packet information. It is characterized by.
[0046]
Further, in the Internet telephone network system according to the invention, the call information for performing at least one of transmission and reception by the IP network communication processing unit is packet information,
The IP network communication processing unit includes a TCP communication processing unit that performs a transmission control protocol (hereinafter referred to as TCP) communication process on the packet information.
[0047]
Also, in the Internet telephone network system according to the invention, the IP network communication processing unit includes an HTTP communication processing unit that performs a Hyper Text Transfer Protocol (hereinafter referred to as HTTP) communication process on the packet information. Features.
[0048]
An Internet telephone network system according to the invention includes a firewall that prevents unauthorized access to the telephone device adapter by the Internet telephone network system on the IP network,
The IP network communication processing unit can transmit the call information across a firewall provided for the destination telephone device adapter to the destination telephone device adapter that transmits the call information. An HTTP port communication confirmation unit for confirming the HTTP port number is provided.
The HTTP communication processing unit uses the port number confirmed by the HTTP port communication confirmation unit to pass through the firewall provided for the partner telephone device adapter to the partner telephone device adapter. Call information is transmitted.
[0049]
In the Internet telephone network system according to the invention, the IP network communication processing unit has a transmission buffer for inputting the digital voice data obtained by digitizing the call information and temporarily storing the input digital voice data. In addition, a transmission buffering unit that extracts predetermined digital audio data from the transmission buffer and generates the packet information is provided.
[0050]
In the Internet telephone network system according to the invention, the transmission buffer has a predetermined buffer size, and the predetermined buffer size can be changed.
[0051]
In the Internet telephone network system according to the present invention, the packet information generated by the transmission buffering unit includes a header unit for storing address information of a destination to which the digital audio data is transmitted and data for storing the digital audio data. And
The IP network communication processing unit inputs the packet information from the transmission buffering unit, and receives at least one of information stored in a header portion of the input packet information and information stored in a data portion. An audio data packet encoding unit for compression is provided.
[0052]
Further, in the Internet telephone network system according to the invention, the IP network communication processing unit receives the packet information having the compressed information transmitted from the partner telephone device adapter, and the compressed information of the packet information And a voice data packet decoding unit for extracting and analyzing the header from the decompressed packet information.
[0053]
Further, in the Internet telephone network system according to the invention, the IP network communication processing unit inputs the decompressed packet information from the voice data packet decoding unit, and receives the decompressed packet information input. It has a reception buffer for temporarily storing, and is provided with a reception buffering unit that outputs packet information that has been decompressed at a timing that is continuous from the reception buffer.
[0054]
In the Internet telephone network system according to the invention, the reception buffer has a predetermined buffer size, and the predetermined buffer size can be changed.
[0055]
The Internet telephone network system according to the present invention is characterized in that the IP network communication processing unit includes a redundant packet issuing unit that duplicates the packet information generated by the transmission buffering unit.
[0056]
Further, in the Internet telephone network system according to the invention, the IP network communication processing unit may receive the voice data packet from the transmission buffering unit so as to reduce the number of packet information to be transmitted to the partner telephone device adapter. A packet generation filtering unit for reducing the packet information output to the encoding unit is provided.
[0057]
Further, in the Internet telephone network system according to the invention, the IP network communication processing unit monitors a traffic state of the packet information received by the IP network communication processing unit, and the reception buffering based on the monitored result And a network traffic monitoring unit for instructing to change the size of the reception buffer.
[0058]
The Internet telephone network system according to the present invention is characterized in that the network traffic monitoring unit instructs the redundant packet issuing unit to copy the packet information based on the monitoring result.
[0059]
The Internet telephone network system according to the invention is characterized in that the network traffic monitoring unit instructs a condition for reducing the packet information to the packet generation filtering based on the monitored result.
[0060]
In the Internet telephone network system according to the present invention, the IP network communication processing unit obtains a monitoring result monitored by the network traffic monitoring unit, takes a traffic status statistic, and stores the statistical result in the network traffic monitoring unit. A network traffic statistics data management unit for notification is provided.
[0061]
The Internet telephone network system according to the present invention is further provided on the IP network, manages the predetermined telephone device adapter on the IP network, and is separated from the predetermined telephone device adapter. The call information transmitted by the access according to a predetermined communication protocol to the other call device adapter is received on behalf of the other call device adapter, the received call information is stored, and the call information is stored by the predetermined call device adapter. And a relay server that reads the stored call information by the same access as the access according to the communication protocol.
[0062]
The Internet telephone network system according to the invention is characterized in that the access according to the procedure of the predetermined communication protocol is an HTTP access according to a communication protocol of Hyper Text Transfer Protocol (hereinafter referred to as HTTP).
[0063]
In the Internet telephone network system according to the invention, the call information received by the relay server is a packet having a header part for storing address information of a destination to which the call information is transmitted and a data part for storing the call information. Information,
The relay server
A TCP communication processing unit for performing transmission control protocol (hereinafter referred to as TCP) communication processing on the received packet information with respect to the packet information;
An HTTP communication processing unit that performs a Hyper Text Transfer Protocol (hereinafter referred to as HTTP) communication process on the received packet information with respect to the packet information;
An audio data packet encoding unit that compresses at least one of the information stored in the header portion of the packet information and the information stored in the data portion, and packet information having information compressed as the packet information is received. An audio data packet decoding unit that decompresses the compressed information of the packet information and extracts and analyzes the header portion from the decompressed packet information;
When the voice data packet decoding unit temporarily stores the decompressed packet information and receives an HTTP access for reading the stored decompressed packet information, the stored decompressed packet information An audio data buffering unit that takes out and outputs to the audio data packet encoding unit;
Manages the status of the communication device adapter managed by the relay server, receives inquiry information for inquiring the status of another communication device adapter from a predetermined communication device adapter, and status of the other communication device adapter according to the inquiry information A telephone call information management unit for notifying the predetermined communication device adapter of the confirmed result
It is provided with.
[0064]
Further, in the Internet telephone network system according to the invention, the IP network communication processing unit of the telephone device adapter managed by the relay server includes:
An HTTP telephone call unit that transmits the packet information to the relay server through the HTTP access when a communication device adapter of the other party that transmits the packet information is blocked by a firewall. .
[0065]
Further, in the Internet telephone network system according to the invention, the IP network communication processing unit of the telephone device adapter managed by the relay server includes:
HTTP polling that transmits information for inquiring about the status of the telephone equipment adapter of the other party that transmits the packet information managed by the telephone call information management unit of the relay server to the relay server in a polling manner by the HTTP access. It has the part.
[0066]
Further, in the Internet telephone network system according to the invention, the IP network communication processing unit of the telephone device adapter managed by the relay server includes:
Before transmitting the packet information via the IP network to the other party's telephone device adapter that transmits the packet information, at least one of e-mail and instant message is to be transmitted. The telephone call communication part which notifies using is provided.
[0067]
In addition, the Internet telephone network system according to the invention includes a public line signal processing unit of the telephone device adapter managed by the relay server,
Before transmitting the packet information via the public line, the other party's telephone device adapter that transmits the packet information is notified that the packet information will be transmitted from now on.
[0068]
In the Internet telephone network system according to the present invention, the relay server receives the packet information transmitted from a predetermined call device adapter to another call device adapter, and is different from the predetermined call device adapter. A connection negotiation is performed to connect the predetermined communication device adapter and another communication device adapter to the communication device adapter, and after the connection, between the predetermined communication device adapter and another communication device adapter. An HTTP connection changing unit that controls to transmit and receive the packet information by HTTP is provided.
[0069]
In the Internet telephone network system according to the invention, the header portion of the packet information includes address information and a port number of a transmission destination for transmitting the packet information,
The relay server receives the packet information transmitted from a predetermined communication device adapter to another communication device adapter, and transmits the predetermined communication device to the predetermined communication device adapter and another communication device adapter. In addition to negotiating the connection between the adapter and another telephone device adapter, and after making the connection, the address information and port number of the transmission destination in the header part of the packet information are scheduled to be received last. A TCP / IP packet header conversion unit for converting into address information and a port number corresponding to the communication device adapter is provided.
[0070]
In the Internet telephone network system according to the invention, the Internet telephone network system further connects at least two of the relay servers,
An HTTP relay server load state monitoring unit for monitoring a load state of processing of the connected relay server;
An HTTP relay server designating unit for selecting a predetermined relay server in accordance with the load status monitored by the HTTP relay server load status monitoring unit;
A relay server management server provided with
[0071]
Further, in the Internet telephone network system according to the invention, the IP network communication processing unit specifies an identification name for identifying a destination to which the call information is transmitted, and transmits the call information to the IP network.
The address conversion table stores the identification name and the identification information in association with each other,
The address conversion unit converts the identification information into the identification name using the address conversion table,
An IP address information message for outputting the call information to the IP network using a communication protocol in which a format of a control message used for transmitting the call information using the identification name is defined in advance. Processing part
It is characterized by having.
[0072]
Further, in the Internet telephone network system according to the invention, the Internet telephone network system further includes another public line in addition to the public line,
The telephone equipment adapter transmits at least one of transmission and reception of the telephone call information via the IP network according to a communication protocol using a point-to-point protocol (hereinafter referred to as PPP). A public line communication processing unit is provided.
[0073]
In the Internet telephone network system according to the present invention, the telephone device adapter further includes a serial port cable, and at least one of transmission and reception of the telephone call information via the IP network is point-to-point. A serial port communication processing unit is provided which performs via the serial port cable by a communication protocol using a protocol (hereinafter referred to as PPP).
[0074]
Further, in the Internet telephone network system according to the invention, the public line signal processing unit holds the connection of the public line after terminating the call between the call information transmitting side and the other party transmitting the call information. However, the address information corresponding to the identification information of the call device on the side transmitting the call information is transmitted to the other party transmitting the call information via the public line.
[0075]
Further, in the Internet telephone network system according to the invention, the public line signal processing unit continues the call after one of the call information transmitting side and the other party transmitting the call information ends the call. The call on the side that sends the call information to the other party that sends the call information while maintaining the connection of the public line after a time that is predicted to end the call on the other side Address information corresponding to the identification information of the device is transmitted through the public line.
[0076]
Further, in the Internet telephone network system according to the invention, the public line signal processing unit continues the call after one of the call information transmitting side and the other party transmitting the call information ends the call. In order to end the call on the side that is performing the call, at least a busy tone signal is transmitted from the side that has ended the call to the side that is continuing the call.
[0077]
In the Internet telephone network system according to the invention, the public line signal processing unit is configured to transmit the call information while transmitting the address information corresponding to the identification information of the call device via the public line. When at least one of the other parties to which the call information is transmitted attempts to transmit call information to the predetermined call device, at least for the call device to transmit the call information to the predetermined call device A busy tone signal is transmitted.
[0078]
In the Internet telephone network system according to the present invention, the public line signal processing unit is configured to transmit the address information while transmitting the address information corresponding to the identification information of the call device via the public line. When at least one of the other party to which the address information is transmitted tries to transmit call information to a predetermined call device, a process of transmitting address information corresponding to the identification information of the call device is performed. It is characterized in that it is given priority over the process of transmitting call information to the call device.
[0079]
In addition, the Internet telephone network system according to the invention includes:
The public line signal processing unit detects a state where the input of the identification information is not performed even after a specific time has elapsed, and determines the end of the input of the identification information.
[0080]
In the Internet telephone network system according to the invention, the identification information includes predetermined character information and end information indicating the end of the identification information, and the public line signal processing unit inputs the end information. It is confirmed that the input end of the identification information is determined.
[0081]
In the Internet telephone network system according to the invention, the identification information includes at least communication carrier information for specifying a communication carrier, and the size of the identification information is specified by the communication carrier information,
The public line signal processing unit determines the size of the identification information based on the communication carrier information of the identification information, compares the size of the determined identification information with the size of the input identification information, The input end of the identification information is determined.
[0082]
Further, in the Internet telephone network system according to the invention, after the public line signal processing unit determines the end of the input of the identification information, the identification information that has been input is passed to the address conversion unit, The address conversion unit converts the identification information passed from the public line signal processing unit into the address information.
[0083]
In the Internet telephone network system according to the invention, the identification information is composed of one or more character information,
When at least one character information is input as the identification information, the public line signal processing unit passes the input at least one character information to the address conversion unit,
The address conversion unit compares the passed at least one character information with the identification information stored in the address conversion table, and stores the passed at least one character information in the address conversion table. Address information that matches a part of the identification information is used as an address information candidate.
[0084]
The Internet telephone network system according to the invention is characterized in that the address conversion unit adopts the address conversion candidate as the address information when the address information candidate becomes one.
[0085]
Further, in the Internet telephone network system according to the invention, the address conversion unit has one address information candidate, and the character information passed from the public line signal processing unit exceeds a predetermined number. The single address information candidate is adopted as the address information.
[0086]
In the Internet telephone network system according to the invention, the call device that receives the call information via the IP network of the other party that transmits the call information is the same as the call device adapter on the side that transmits the call information. A receiving side communication device adapter
The call device adapter on the receiving side transmits identification information for identifying a call device to which the call device adapter on the receiving side is connected to the call device adapter on the side that transmits the call information, and the call information. Is provided with an IP address learning unit for receiving the address information transmitted from the communication device adapter on the side of transmitting the message.
[0087]
Further, in the Internet telephone network system according to the invention, the IP address learning unit of the receiving side call device adapter receives and receives the address information transmitted from the call device adapter on the side transmitting the call information. It is characterized by selecting either one of not.
[0088]
Further, the Internet telephone network system according to the invention is characterized in that the IP address learning unit selects one of transmitting and not transmitting the address information to a destination to which the call information is transmitted. To do.
[0089]
Also, in the Internet telephone network system according to the invention, the public line signal processing unit transmits the deletion instruction information for instructing to delete the identification information and the address information stored in the address conversion table, to the call device. Enter more
The IP address learning unit deletes the identification information and the address information stored in the address conversion table according to the deletion instruction information.
[0090]
In the Internet telephone network system according to the present invention, either the IP network communication processing unit or the public line signal processing unit controls the telephone device adapter according to control information stored in the control information storage unit. When an error occurs as a result of the above, a warning is notified to any one of the IP network, the telephone device, and the public line.
[0091]
In the Internet telephone network system according to the present invention, any one of the IP network communication processing unit and the public line signal processing unit may cause a call when a failure occurs in either the IP network or the public line. Is detected, and a warning is notified to any one of the IP network, the communication device, and the public line.
[0092]
Further, in the Internet telephone network system according to the invention, when any one of the IP network communication processing unit and the public line signal processing unit recovers the failure, the IP network, the call device, and the It is characterized in that a failure recovery is notified in response to a warning notified to any one of the public lines.
[0093]
In the Internet telephone network system according to the present invention, any one of the IP network communication processing unit and the public line signal processing unit includes a call process using the public line, an RTP communication process, and an HTTP communication process. When a call request is made from another new call device to the call device connected to the call device adapter that is performing any one of the above processing, the other new call device is being processed. It is characterized by notifying the state.
[0094]
In the Internet telephone network system according to the invention, the relay server manages communication between the predetermined call device adapter and another call device adapter by call connection identification information, and the call information is included in the packet information. Connection identification information is stored and output to the IP network.
[0095]
The Internet telephone network system according to the present invention is characterized in that the relay server stores and manages at least one of a call time and a communication packet amount as log information in correspondence with the call connection identification information. .
[0096]
In the Internet telephone network system according to the present invention, the IP network communication processing unit of the telephone device adapter managed by the relay server may include at least one method message of GET, POST, and PUT in the packet information. Is transmitted to the relay server by the HTTP access.
[0097]
In the Internet telephone network system according to the invention, the HTTP communication processing unit of the relay server stores the call information in a response message to the HTTP access by the IP network communication processing unit of the call device adapter, Send to the above phone adapter,
The IP network communication processing unit of the telephone device adapter managed by the relay server receives the response message transmitted from the relay server and extracts the call information stored in the received response message. Features.
[0098]
In the Internet telephone network system according to the invention, the call information has a predetermined first size,
The IP network communication processing unit of the communication device adapter managed by the relay server acquires a second size larger than the first size in order to obtain the call information having the first size from the relay server. A message of a GET method for acquiring the call information of the message is stored in the packet information, transmitted to the relay server by the HTTP access, and a response message transmitted from the relay server to the HTTP access Is received.
[0099]
Further, in the Internet telephone network system according to the invention, the IP network communication processing unit of the telephone device adapter managed by the relay server has the first size stored in the response message transmitted from the relay server. The connection with the relay server is continued until one or more of the response messages are received until the total size of the call information possessed exceeds the second size.
[0100]
In the Internet telephone network system according to the present invention, the IP network communication processing unit of the telephone device adapter managed by the relay server communicates with the HTTP communication processing unit of the relay server during communication and communication. When the connection is disconnected at any one timing immediately after the connection, the connection is made again and the communication is continued.
[0101]
In the Internet telephone network system according to the present invention, the IP network communication processing unit of the telephone device adapter managed by the relay server communicates with the HTTP communication processing unit of the relay server during communication and communication. If there is no response from the relay server even if a predetermined time elapses at one of the timings immediately after being performed, the connection with the relay server is disconnected, and then the connection is made again to continue communication. It is characterized by being performed.
[0102]
In the Internet telephone network system according to the present invention, the Internet telephone network system includes at least one communication device management device of PBX and button telephone for managing the plurality of communication devices, the communication device adapter, and the plurality of communication devices. Between the phone and
The public line signal processing unit of the call device adapter receives identification information of the call device of the other party that transmits the call device from the call device that transmits the call information, and the call device management device For example, the received identification information is transmitted.
[0103]
In the Internet telephone network system according to the present invention, the call device of the other party to which the call information is transmitted has a number display function for displaying identification information of the call information transmitting side, and the call device adapter Connect the
The public line signal processing unit of the call device adapter connected to the call device having the number display function receives the identification information on the side transmitting the call information, and receives the received identification information with the number display function. It transmits to the telephone apparatus which has.
[0104]
In the Internet telephone network system according to the present invention, the call device of the other party to which the call information is transmitted has a number display function for displaying identification information of the call information transmitting side, and the call device adapter Connect the
The public line signal processing unit of the call device adapter connected to the call device that transmits the call information transmits the call information when transmitting the call information via the IP network. The identification information for identifying the call device is transmitted to the call device adapter of the other party that transmits the call information.
[0105]
Further, in the Internet telephone network system according to the invention, the call device that transmits the call information is identification information of the call device that transmits the call information to the call device of the other party that transmits the call information. Output the above identification information including non notification information instructing not to notify
The public line signal processing unit of the telephone apparatus adapter connected to the telephone apparatus that transmits the telephone information transmits the identification information to the telephone information when the non-notification information is included in the identification information. Is not transmitted to the communication device adapter of the other party that transmits the message.
[0106]
DETAILED DESCRIPTION OF THE INVENTION
Embodiment 1 FIG.
Hereinafter, an example of the Internet telephone network system according to the present invention will be described with reference to the drawings.
FIG. 1 is a network configuration diagram of the Internet telephone network system according to the first embodiment.
In FIG. 1, 10 and 20 are general telephones, and 12 and 22 are telephone equipment adapters. Reference numeral 11 denotes an indoor telephone line for connecting the telephone 10 and the communication device adapter 12. An indoor telephone line 21 connects the telephone 20 and the communication device adapter 22. 13 is a public line. For example, the public line 13 is a telephone line. The communication device adapter 12 and the communication device adapter 22 are connected. Reference numerals 14 and 24 denote IP networks which are one of data communication networks, and connect the telephone equipment adapters 12 and 22. Reference numeral 16 denotes the Internet or an intranet. Reference numerals 15 and 25 denote routers that perform control between the IP networks 14 and 24 and the Internet or the intranet 16.
FIG. 2 is a view showing an overview image in which the telephone device adapter 12 is connected to the telephone 10. As shown in FIG. 1, the telephone 10 and the communication device adapter 12 are connected by an indoor telephone line 11. The telephone device adapter 12 connects the IP network 14, the public line 13, and the power cord 170. In addition, the communication device adapter 12 has an LED display unit 191 for turning on the power or during a call.
FIG. 3 is a configuration diagram of the communication device adapter according to the first embodiment.
In FIG. 3, reference numeral 100 denotes line connection switching means 1100 which is a line connection switching unit for switching connection lines (public line 13 and IP network 14) when it can be connected to the telephone of the other party via the IP network. Public line signal transmission / reception means 5000, which is a public line signal processing unit capable of transmitting / receiving analog voice data, which is one of the call information, to / from the telephone 10 via the public line 13, 5000 is one of the call information via the IP network 14. IP network communication processing means 200, which is an IP network communication processing unit capable of transmitting and receiving digital voice data, and is capable of transmitting and receiving call information via an IP network with other telephones connected to the same type of telephone device adapter. A connection destination determination unit 302 that is a connection destination determination unit that determines whether or not the connection can be performed. A telephone number which is one of another information, an address conversion table for storing in correspondence the Internet protocol address is address information for sending call information through the IP network to the other side of the communication device. Reference numeral 300 denotes a telephone number IP address conversion means, which is an address conversion unit for referring to the address conversion table 302 using the telephone number input from the telephone 10 and converts it to an Internet protocol address (hereinafter referred to as IP address). Voice data digital-to-analog conversion means, which is a digital-analog conversion unit that converts digital voice data into analog voice data that can be recognized by the telephone 10, and analog voice data 600, which is call information input from the telephone 10, via the IP network 14 Audio data analog-to-digital conversion means, which is an analog-to-digital converter that converts digital audio data for transmission.
[0107]
Next, the operation will be described based on the flowcharts of FIGS. For ease of explanation, the telephone 10 and the communication device adapter 12 shown in FIG. 1 will be described as the side for making a call, and the telephone 20 and the communication device adapter 22 will be described as a side for receiving a call.
First, when the telephone device adapter 12 is turned on (S10), the public line signal transmission / reception means 1100 and the IP network communication processing means 5000 check whether a telephone call from another is made (S11). In the case of a call from the public line side (S12), the public line signal transmission / reception means 1100 transmits the call tone from the telephone 20 input from the public line 13 to the telephone 10 as it is and waits until the telephone 10 is picked up. (S13). When the handset of the telephone 10 is picked up or the call from the telephone 20 is finished (S14), the process returns to S10. If the handset is picked up (S14), the call is continued as it is and the call is continued until it is disconnected on the public line (S17). On the other hand, in the case of a call from the IP network side, the public line signal transmission / reception means 1100 transmits a call tone to the telephone 10 side and waits until the handset is picked up (S17). If the handset is picked up, the call is continued as it is in the IP network, and the call is continued until it is disconnected (S18).
[0108]
The processing procedure of S18 will be described in detail using the flowchart of FIG. In FIG. 7, the IP network communication processing unit 5000 determines whether or not there is data received from the IP network 14 in S1000. If there is no received data, the process ends. If there is received data (the received data (digital voice data) input from the IP network 14 is packet information), the IP header is removed from the data received by the IP network communication processing unit 5000 ( S1001). Next, the IP network communication processing unit 5000 further removes a communication protocol header from the data from which the IP header has been removed (S1002). Then, the obtained digital audio data is decompressed (decoded) (S1003). Next, the digital audio data decoded in step S1003 is converted into analog audio data by the audio data digital / analog converting means 500. Then, the IP network communication processing means 5000 sends the analog voice data converted by the voice data digital / analog converting means 500 to the public line signal transmitting / receiving means 1100, and the public line signal transmitting / receiving means 1100 sends the sent analog voice data to the telephone. 10 (S1005). After the transmission of the analog voice data to the telephone 10 is completed, the process returns to S2000 in FIG. 6 to continue the call process in order to determine whether or not to continue the call.
The telephone conversation state described in S18 of FIG. 5 is that the analog voice data from the telephone 20 is converted into digital voice data by the voice data analog-digital conversion means 600 provided in the telephone adapter 22 as shown in FIGS. On the other hand, the digital audio data transmitted from the telephone set 20 via the Internet / intranet 16 is converted into analog voice data by the audio data digital / analog conversion means 500 and transmitted to the telephone set 10. To do.
[0109]
Now, returning to the beginning, when there is no call from another (S11), the public line signal transmitting / receiving means 1100 confirms whether or not the handset of the telephone 10 has been picked up (S20). At this time, if the handset is not picked up, the process returns to the first (S10), but if it is picked up, the public line signal transmitting / receiving means 1100 sends a tone to the telephone 10 informing that the telephone number input state has been entered. It is confirmed that a number is input (S21). For the input telephone number, the telephone number IP address conversion means 300 refers to the address conversion table based on the telephone number to obtain the IP address of the telephone 20 of the other party (S22). If the IP address is correctly obtained (S23), the connection destination determination means 200 generates route selection information so as to transmit / receive call information via the IP network, and the line connection switching means 100 causes the IP network communication processing means 5000 to to start. The IP network communication processing unit 5000 sends a digital signal for calling the telephone 20 on the other side, and after the handset is picked up, it enters a call state and continues the call until it is disconnected (S24).
Detailed processing in S24 of FIG. 4 will be described with reference to FIG.
In FIG. 6, in S2000, the IP network communication processing means 5000 confirms whether the handset of the telephone 10 has been placed and disconnected. Subsequently, in S2001, it is confirmed whether there has been a voice input for a set time from the telephone set 10. When there is audio input for a set time, the audio data analog-to-digital conversion means 600 converts the input analog audio data into digital audio data. The IP network communication processing unit 5000 collects voice data at a predetermined sampling time, converts the voice data collected within the sampling time from analog data to digital data, and transmits the digital voice data to the telephone 20 of the other party. To do. The converted digital audio data is transferred to the IP network communication processing unit 5000, where the audio data is compressed (encoded) (S2003). Then, the IP network communication processing unit 5000 adds a communication protocol header to the encoded audio data body (S2004), adds an IP header to the data (S2005), and sends the generated data to the IP network 14. It is sent out (S2006). Next, the processing proceeds to S1000 in FIG. 7 for confirming that the telephone call information is returned from the telephone 20 via the IP network 24. Since the processing of FIG. 7 has already been described in the detailed processing description of S18 of FIG. 5, the description of the processing of FIG. 7 is omitted here.
If the IP address is not correctly determined, the connection destination determination unit 200 generates route selection information so as to transmit / receive call information via the public line, and the line connection switching unit 100 switches the line connection to the public line 13. Then, the public line signal transmission / reception means 1100 is activated. The public line signal transmission / reception means 1100 sends a ring tone from the public line 13 to the telephone corresponding to the telephone number input from the telephone 10 via the public line 13 (S25), and after the other party picks up the handset, the public line The call is continued until the call is disconnected (S30).
In the flowchart of FIG. 4, the processing when the handset of the other party's telephone 20 is not picked up is omitted, but in this case, the processing is disconnected by itself and the processing returns to the beginning (S10).
[0110]
In addition, the telephone adapter is used when a telephone line from a PBX or the like to which a general telephone (dial, push button, etc.) is connected is connected to each of the public line network and the IP network, and a telephone call is made from the telephone. In addition, it is determined whether or not it is possible to connect to the other party's telephone via the IP network, and automatic switching is performed by the line connection switching means 100 which switches the connection line based on the determination result, so that the call via the IP network When possible, a call can be made via the IP network and the telephone number cannot be converted to an IP address, or the other party's telephone is not connected to the IP network, or the telephone 20 and the IP network 24 When the device adapter is incompatible with the telephone adapter 12, the communication over the IP network In the case where it is not, it can be a telephone call via the public telephone network.
[0111]
As described above, if the other party can make a call via the IP network, the IP network side can make the call. If not, the public line side makes the call. Therefore, once the user installs the communication device adapter and the telephone, the user can switch between the public line and the IP as necessary without any trouble. Call information can be transmitted and received through either of the networks.
[0112]
As described above, in the first embodiment, a telephone line from a general telephone (dial, push button, etc.), a public line network, and a network (hereinafter referred to as an IP network) corresponding to the Internet protocol are connected to the telephone from the telephone. On the public line between the line connection switching means 100 for switching the connection line based on the result of determining whether it can be connected to the other party's telephone via the IP network and the telephone. A public line signal transmission / reception unit 1100 capable of transmitting / receiving the above-mentioned signal and an IP network communication processing unit 5000 capable of transmitting / receiving an IP network signal to / from the IP network side. In some cases, you can make a call over an IP network, and if not, It has been described internet telephone network system, characterized in that it is possible to make a call via the network.
[0113]
Further, the connection destination determination means 200 for determining whether or not a telephone connected to the telephone apparatus adapter can make a call with another telephone connected to the same type of telephone apparatus adapter via the IP network. An Internet telephone network system characterized by being able to make calls via a network was explained.
[0114]
In addition, a telephone connected to the telephone device adapter can be called via an IP network by inputting the telephone number of a general public line of another telephone connected to the same type of telephone device adapter. Is found, the telephone number IP address conversion means 300 for automatically converting the telephone number of the general public line into an Internet protocol address (hereinafter referred to as IP address) is provided, and the user uses the conventional telephone number as it is. An Internet telephone network system characterized by being able to make a call via an IP network has been described.
[0115]
The voice analog signal for transmitting digital voice data from the IP network to the telephone 10 side so that the telephone connected to the telephone apparatus adapter can perform a voice call with the telephone 10 connected to the IP network side. Audio data digital-to-analog conversion means 500 for conversion and audio data analog-to-digital conversion means 600 for converting audio analog signals from the telephone 10 side to digital audio data to be transmitted to the IP network side are provided. An Internet telephone network system characterized in that a telephone call can be made via an IP network by converting an analog signal has been described.
[0116]
Embodiment 2. FIG.
In the second embodiment, an IP address that is not set in the address conversion table 302 by the connection destination determination unit 200, which is a connection destination determination unit, is sent from the other party's telephone that made the call, The processing for registering the IP address transmitted from the other party in the address conversion table 302 of the telephone apparatus adapter on the telephone side will be described.
[0117]
FIG. 8 is a diagram for explaining the connection learning function of the connection destination determination unit 200 according to the second embodiment.
In FIG. 8, a telephone call is made from the telephone 10 to the telephone 20, and at this time, when the IP address corresponding to the telephone number of the telephone 20 is not registered in the address conversion table 302 of the telephone device adapter 12,
1. Call the other party who is not registered in the address conversion table 302 via a public line.
2. After the call ends, the IP addresses are transmitted to each other, and the received IP address is registered in the address conversion table 302.
3. From the second time onward, use the IP address stored in the address conversion table 302 to make a call via the IP network.
1.2.3. The connection destination determination means 200 has a learning function for acquiring the other party's IP address by the above procedure.
[0118]
FIG. 9 is a block diagram of each means showing the communication device adapter of the present invention.
In FIG. 9, reference numeral 1100 is a public line signal transmission / reception means for making a call via a general public line and transmits IP address information to each other when the call is disconnected, and 400 is provided in the connection destination determination means 200. IP address learning means which is an IP address learning means section for giving an instruction to the public line signal transmitting / receiving means 1100 to obtain an IP address corresponding to the number from a telephone equipment adapter connected to the telephone of the other party.
[0119]
Next, the operation of the communication device adapter shown in FIG. 9 will be described based on the flowcharts of FIGS. 10 and 11.
The entire process of making a call is the same as that in FIGS. 4 and 5 of the first embodiment (S10 to S30 in FIGS. 4 and 5 are the same processes as S10 to S30 in FIGS. 10 and 11). ).
10 and 11 and FIGS. 4 and 5 are different from each other in the case where the telephone 10 cannot make a call on the IP network side, the telephone apparatus adapter connected to the other telephone from the telephone 10 after disconnection is the same type. A process for transferring IP addresses to each other after confirming that the IP addresses are added. Similar processing is added to both the case where the call is made from here and the case where the call is made.
[0120]
First, in the former case (when a call is made from the telephone 10), the IP address learning means 400 instructs the public line signal transmission / reception means 1100 after the call through the public line is terminated (S25), and the public line 13 is transmitted. Then, a tone signal for inquiring whether the telephone apparatus adapter of the same type is the same type is transmitted to the telephone apparatus adapter of the other party's telephone (S40). At this time, if the telephone apparatus adapter of the other party's telephone is not a telephone apparatus adapter compatible with the telephone apparatus adapter having the configuration shown in FIG. 9 (S41), the telephone apparatus is connected to the other party's telephone after waiting for a specified time. Since there is no response from the calling device adapter, the processing ends. If the communication device adapter connected to the other party's telephone device is the same type of communication device adapter (S41), the IP address learning means 400 will send a response from the call device adapter connected to the other party's telephone. First, the line signal transmitting / receiving means 1100 is instructed to transmit the IP address here in the tone of the analog signal to the telephone equipment adapter connected to the other party's telephone (S42). The own IP address is stored in the address conversion table 302 together with the own telephone number, for example, and the public line signal transmitting / receiving means 1100 refers to the address conversion table 302 to obtain the IP address for the own telephone number. Alternatively, the IP address learning unit 400 may refer to the address conversion table 302 to acquire an IP address for its own telephone number, and pass the acquired IP address to the public line signal transmission / reception unit 1100. Next, the IP address is transmitted from the telephone apparatus adapter of the call destination, and the public line signal transmission / reception means 1100 receives this, and the public line signal transmission / reception means 1100 sends the received IP address to the IP address learning means 400. hand over. The IP address learning unit 400 stores the received IP address in the address conversion table 302 in association with the telephone number of the destination telephone (S43).
[0121]
In the latter case (when a call is made), a tone for inquiring whether the call device adapter is compatible from the call device adapter of the other party's telephone that has made the call after the call via the public line ends (S30). Since the signal is transmitted, the tone signal transmitted from the telephone apparatus adapter connected to the other party's telephone is received by the public line signal transmitting / receiving means 1100, and the response tone signal is returned within the specified time (S50). If the inquiry tone does not arrive from the partner telephone device adapter, the process returns to S10. After the tone signal is returned, the other party's IP address is transmitted from the other party's telephone device adapter. Therefore, the public line signal transmitting / receiving means 1100 receives the transmitted IP address, and learns the received IP address as an IP address. Passed to means 400. The IP address learning unit 400 stores the destination telephone number and the IP address in the address conversion table 302 in association with each other. The telephone number of the other party is transmitted together with the IP address, or when the telephone is called from the other party's telephone, the telephone number of the other party's telephone is acquired, and the public line signal transmitting / receiving unit 1100 or the IP address learning unit 400 Temporary storage. Next, the IP address learning unit 400 obtains the telephone number of the own telephone and the IP address corresponding to the telephone number from the address conversion table 302 and notifies the public line signal transmitting / receiving unit 1100 of the telephone number and the IP address. The public line signal transmission / reception means 1100 transmits the notified telephone number and IP address to the other party's telephone using an analog signal tone (S52) (only the IP address may be notified).
[0122]
In the description so far, the IP addresses are exchanged with each other after the end of the call, but may be performed immediately before the start of the call (immediately after the telephone is disconnected).
[0123]
As described above, after calling through the public line, the telephone number of the telephone and the IP address corresponding to the telephone number are notified to the telephone number of the other party, or the IP corresponding to the telephone number of the other party's telephone. Since the IP address learning means 400 for receiving the address is provided, it is possible to eliminate the need for the user to check the destination IP address in advance and set it in the address conversion table 302.
[0124]
In the second embodiment, the IP address information is transmitted to each other when the call is disconnected from the other party's telephone connected to the same type of telephone apparatus adapter or a telephone apparatus adapter compatible with the telephone apparatus adapter of the present invention. A telephone call is automatically made via the IP network after the next telephone call by the public line signal transmission / reception means 1100 and the IP address learning means 400 for storing the telephone number and IP address of the conventional general public line in association with each other. An Internet telephone network system characterized by being capable of being described was described.
[0125]
Embodiment 3 FIG.
In the third embodiment, an example in which a telephone conference is performed using a telephone connected with a telephone transmission adapter provided with means for performing a telephone conference on the telephone adapter will be described below.
FIG. 12 is a configuration diagram of each means showing the communication device adapter according to the third embodiment.
In FIG. 12, reference numeral 700 denotes a voice data mixing means, which is a voice data mixing unit that performs voice output by mixing two or more voice data other than one's voice that is making a call using the telephone 10, and 800 is set. The telephone conference identification number management means for managing the telephone conference identification number, 900 is the telephone identification number management means for managing the telephone identification number of the telephone conference participant, and 1000 stores the password registered by the telephone conference participant. This is a conference call participant password management means. The telephone conference identification number management means 800, the telephone identification number management means 900, and the telephone conference participant password management means 1000 are means constituting the simultaneous call management unit 850. The simultaneous call management unit 850 includes a permission information storage unit 855 that stores a conference identification number, a telephone identification number, or a conference participant password as permission information. The telephone conference identification number management unit 800, the telephone identification number management unit 900, and the telephone conference participant password management unit 1000 refer to the permission information storage unit 855, and manage telephones or parties that can participate in the conference call.
[0126]
FIG. 13 is a configuration diagram of the Internet telephone network system according to the third embodiment.
In FIG. 13, 30 is a telephone, 31 is an indoor telephone line, 32 is a telephone device adapter, 34 is an IP network, and 35 is a router. Other reference numerals are the same as those in FIG.
In this third embodiment, the telephone 10 and the telephone 20 make a call to the telephone 10 from the telephone 30 while making a telephone call via the IP networks 14 and 24, and request to participate in the telephone call. And
Next, the operation will be described.
The overall processing for making a basic telephone call is the same as in FIGS. 4 and 5 of the first embodiment. However, it is assumed that the conference call is a call that takes place between at least three parties, and the process of accepting the participation of the third party (phone 30) when a call is made between the two parties (phones 10 and 20) Is required. For this reason, the process of confirming the participation of the next caller is required in the process of S24 of FIG. 4 and the process of S18 of FIG. The detailed processing of S24 in FIG. 4 and S18 in FIG. 5 is shown in FIGS. Therefore, a process for confirming the participation of the third and subsequent parties is added to FIGS. 6 and 7. The confirmation process of the conference call participant will be described with reference to the flowchart of FIG.
The processes in S1000 to S1005 and S2000 to S2006 in FIG. 14 are the same as S2000 to S2006 in FIG. 6 and S1000 to S1005 in FIG. FIG. 14 shows the process of S3000 for checking whether there is a call from another party, that is, the third party or later, after the process of S2000 in FIG. 6, and the call from the third party or later. In some cases, a process of S3001 for adding a new caller to the current call process is added.
In a conference call, when a call is first made between two parties via an IP network, if a third party calls one of the former two parties via an IP network, the third Including the person in charge, the call state is established. Further, the same applies when a call is made from the fourth party thereafter. The process of confirming the participation by the third party or later is performed by voice data mixing means 700 for two or more voice data other than one's own voice received from another telephone connected to the same type of telephone device adapter via the IP network. The sound is output after mixing. For example, the call voice of the telephones 20 and 30 mixed by the voice data mixing means 700 of the telephone device adapter 12 is output to the caller of the telephone 10.
[0127]
In this embodiment, the voice data mixing means 700 is prepared in the telephone apparatus adapter. However, as another form, one apparatus having the voice data mixing means 700 can be used for other telephone apparatus adapter devices. A configuration is also possible in which the voice data of other participants other than the uttered voice is mixed and transmitted. In this case, it is not necessary to provide the voice data mixing means 700 in another communication device adapter.
[0128]
The procedure for confirming the participation in the conference call described above is a procedure for confirming whether or not a third party or a subsequent party is participating during a telephone conversation between two parties. In this procedure, there was no processing for confirming whether or not participation in a telephone conference performed by three or more parties is permitted. However, if the call between the three parties is simply a notification of communication items or a conversation about the level of public talk, there is no need to check whether the participating caller is an authorized caller, but a conference is held. It is necessary to confirm whether the call is permitted to participate in the call. For this reason, in the third embodiment, in order to confirm whether or not the person is permitted to participate in the call, an identification number is given to the conference, and the caller is given one piece of permission information before starting the call. Entering a certain conference identification number and determining that the entered identification number is correct, and pre-assigning an identification number to the telephone, and the telephone identification number, which is another permission information for making a call, is the conference There are three ways to check if the phone is allowed to join the phone, and to enter a password that is another permission information before starting the call, and to check whether the entered password is the correct password A method is conceivable. The above three methods will be described below one by one.
[0129]
First, a method for setting an identification number for a conference call will be described.
An identification number is set for each telephone conference, and the set identification number is stored in the permission information storage unit 855 in advance. However, the conference conference identification number is not stored in all the permission information storage units 855 provided in the communication device adapter connected to the telephone participating in the conference call, but the organizer who hosts the conference call. Stored only in the permission information storage unit 855 of the telephone device adapter connected to the telephone. Whether or not the person can participate in the conference call is checked by the telephone device adapter connected to the organizer's telephone. When there is a call request from the IP network 14, the IP network communication processing unit 5000 of the organizer's call device adapter notifies the conference call identification number management unit 800 that the call has been requested. Upon receiving the notification, the telephone conference identification number management means 800 notifies the telephone that has requested the call with a voice data that prompts the telephone conference identification number to be input. When the conference call identification number is input from the other party's telephone that has made a call, IP network communication processing unit 5000 receives the identification number and notifies the conference call identification number management unit 800 of the received identification number. To do. The telephone conference identification number management means 800 refers to the permission information storage unit 855 and confirms whether the notified telephone conference identification number is a set identification number. If it is the set identification number, the conference call identification number management means 800 outputs a message permitting the call via the IP network communication processing means 5000. The message permitting the call is a message that can be heard by the other party's caller. When the notified conference call identification number is a number that is not set in the permission information storage unit 855, the conference call identification number management unit 800 sends a message that does not permit participation in the conference call to the IP network communication processing unit. Output to the other party's telephone via 5000. This message is also a message that can be heard by the caller of the destination telephone.
[0130]
Next, a method for confirming that a telephone conference can be attended by a telephone identification number will be described.
The identification numbers of the telephones that can participate in the telephone conference are stored in advance in the permission information storage unit 855 of the telephone device adapter connected to the telephone of the organizer that hosted the telephone conference. When receiving a call request from the IP network 14, the IP network communication processing unit 5000 of the call device adapter connected to the organizer's telephone notifies the telephone identification number management unit 900 that the call has been requested. The telephone identification number management means 900 notifies a message that causes the other party's telephone to input the telephone identification number. The message is a message that can be heard by the caller of the other party's telephone. Next, IP network communication processing means 5000 receives the telephone identification number from the other party's telephone, and notifies the telephone identification number management means 900 of the received telephone identification number. The telephone identification number management unit 900 refers to the permission information storage unit 855 and confirms whether the notified telephone identification number is set. If set, the IP network communication processing means 5000 outputs a message permitting participation in the conference call. This message is a message that can be heard by the caller of the other telephone. When the telephone identification number notified to the permission information storage unit 855 is not set, the IP network communication processing unit 5000 outputs a message not permitting participation in the conference call. This message is also a message that can be heard by the caller of the other party's telephone. In addition, when the organizer who hosts the conference call hosts multiple conference calls, the telephones that participate in each conference call are often different. In this case, the identification that identifies the conference call described above A telephone identification number is set for each number. For example, when three telephone conferences are hosted as shown in FIG. 15, the telephone conference identification number is set to “1000”, “1330”, “1600” for each telephone conference to be hosted. For each telephone conference identification number, the telephone identification number is “500”, the telephone identification number is “500”, the telephone identification number is “500,600,700” for the telephone conference identification number “1330”. Then, the telephone conference identification number “1600” is set as telephone identification number “101, 102, 105, 501, 502”.
It was explained that the telephone identification number was entered by the caller who made the call from the telephone. However, the telephone identification number was previously stored in the telephone adapter connected to the telephone, and the telephone conference organizer The telephone identification manager 900 of the telephone apparatus adapter connected to the telephone may notify the telephone apparatus adapter of the conference conference organizer.
[0131]
Next, a method for confirming participation in a conference call by inputting a password will be described.
It is assumed that the password is also stored in the permission information storage unit 855 provided in the caller adapter of the organizer that hosts the conference call, but the password is meaningless if known to anyone other than the caller. The caller needs to set his password for the conference call identification number in advance. The setting method will be described in another embodiment. Here, the description will be made assuming that the password is already stored in the permission information storage unit 855 of the telephone device adapter of the telephone conference organizer. A password is also stored for each conference call identification number like the telephone identification number in FIG. When receiving a call request from the IP network 14, the IP network communication processing unit 5000 of the call device adapter of the conference call organizer notifies the call conference participant password management unit 1000 that the call has been requested. The telephone conference participant password management means 1000 outputs a message prompting the other party's telephone to input the password from the IP network communication processing means 5000. This message is a message that can be heard by the voice of the other party's telephone. A password is input from the caller of the other party's telephone, and the IP network communication processing unit 5000 receives the password, and notifies the conference call participant password management unit 1000 of the received password. The telephone conference participant password management means 1000 checks whether the password is set with reference to the permission information storage unit 855. Since the password is set in the permission information storage unit 855 based on the conference call identification number, the user is prompted to enter the conference call identification number at the same time as the password input is prompted. IP network communication processing means 5000 receives the password entered from the other party's telephone and receives the conference call identification number. If the notified password and the telephone conference identification number are set in the permission information storage unit 855, the telephone conference participant password management means 1000 notifies the destination telephone of a message permitting participation in the telephone conference. If not set, a message not allowing participation in the conference call is sent to the other party's telephone. This notification is also a message that can be heard by the caller of the other party's telephone.
[0132]
The telephone conference identification number, the telephone identification number, and the password can be used in any combination of the permission information to confirm participation in the telephone conference.
[0133]
As described above, since two or more voice data other than one's own voice received from another telephone connected to the telephone apparatus adapter of the present invention via the IP network are mixed, voice output is performed. It is possible to hold a conference call via the IP network by more than one party.
[0134]
In addition, since an identification number is set for the telephone conference, and the identification number is directly designated and transmitted, a telephone conference via the IP network can be performed between specific participants.
[0135]
In addition, an identification number is set for the telephone connected to the telephone device adapter, and the telephone identification number is sent from the telephone that participates in the conference call to the organizer's telephone that hosts the conference. Conference calls can be held between the two via the IP network.
[0136]
In addition, the password assigned to each participant is managed for each conference call, and each participant is asked to enter the password at the time of participation, so that the registered password is compared and verified. Authentication can be performed.
[0137]
This embodiment includes voice data mixing means 700 for making a call from another telephone connected to the telephone adapter via the IP network, mixing two or more voice data other than one's own voice, and outputting the voice. Thus, an Internet telephone network system characterized in that a telephone conference can be held by three or more persons using a telephone has been described.
[0138]
The telephone conference identification number managing means 800 for managing the identification number of the set telephone conference and the telephone identification number managing means 900 for managing the telephone identification number of the participant of the telephone conference are provided. An Internet telephone network system characterized by being able to authenticate a user has been described.
[0139]
In addition, an internet telephone network system characterized by comprising telephone conference participant password management means 1000 that stores and manages passwords registered by telephone conference participants, thereby enabling authentication of telephone conference participants. Explained.
[0140]
Embodiment 4 FIG.
In the fourth embodiment, the control information stored in the setting information storage unit from the IP network or the public line is stored in the setting information storage unit that stores information for controlling the communication device adapter included in the communication device adapter. A description will be given of an example of inputting information for changing the information and changing the information in the setting information storage unit.
FIG. 16 is a configuration diagram of each means showing the communication device adapter according to the fourth embodiment.
In FIG. 16, 1200 is an IP that inputs change information for changing information for controlling the telephone adapter from the IP network 14 and accesses the storage unit storing the control information to change the control information. The IP network data read / write means 1300, which is a network data read / write unit, inputs change information for changing control information for controlling the telephone adapter 12 from the telephone 10, and stores a storage unit in which the control information is stored. The telephone input data write means is a telephone input data write unit for accessing and changing control information. A setting information storage unit 1400 stores control information for controlling the telephone device adapter 12.
[0141]
Next, the operation will be described.
For example, it is assumed that maintenance work for the communication device adapter has occurred. For maintenance work, change information for changing control information is input from the telephone 10 using a push button or the like, and the change information is received as a tone signal by the public line signal transmitting / receiving means 1100. The public line signal transmitting / receiving means 1100 passes the received change information to the telephone input data write means 1300. The telephone input data write unit 1300 accesses the setting information storage unit 1400 according to the change information delivered from the public line signal transmission / reception unit 1100 and changes the setting information.
[0142]
Further, change information may be input from a telephone other than the telephone 10 via the public line 13. By doing in this way, the control information memorize | stored in the setting information storage part 1400 of the telephone apparatus adapter 12 can be changed, for example also from a remote place.
[0143]
For example, it is assumed that a personal computer is connected to the IP network 14. The personal computer connected to the network 14 designates the IP address of the telephone device adapter, and inputs change information for changing the control information to the telephone device adapter 12 via the IP network 14. The change information is received by the IP network communication processing unit 5000, and the IP network communication processing unit 5000 passes the received change information to the IP network data read / write unit 1200. The IP network data read / write unit 1200 changes the control information stored in the setting information storage unit 1400 according to the change information for changing the control information passed from the IP network communication processing unit 5000.
[0144]
As described above, control information generated for maintenance work can be input from an existing telephone or general-purpose personal computer connected to the communication device adapter, and stored in the setting information storage unit according to the input change information. Therefore, the cost of adding a data input / output device dedicated for maintenance work to the telephone device adapter can be reduced. Users can easily perform maintenance setting operations using a conventional device.
[0145]
In addition, input of permission information such as a conference call identification number, a telephone identification number, and a password stored in the permission information storage unit 855 shown in FIG. 12 described in the third embodiment is connected to a telephone device adapter. Input from a remote telephone, a personal computer connected to an IP network, or a remote telephone, and when input from the telephone, the permission information storage unit 855 is accessed and registered by the telephone input data write means 1300. It doesn't matter. When inputting from the personal computer via the IP network 14, the permission information storage unit 855 may be accessed and registered by the IP network data read / write means 1200. It is considered that the frequency of new registrations or changes or deletions of registered information is high because permission information related to conference calls can be entered and registered from a telephone connected to the telephone adapter or a PC connected to the IP network. It is possible to easily change the registration of permission information related to a conference call.
[0146]
In the fourth embodiment, the communication device adapter is provided with IP network data read / write means 1200 that can update and write data stored in the communication device adapter based on data received from the IP network. A description has been given of an Internet telephone network system characterized in that maintenance work of control information for controlling a telephone adapter can be performed from a computer such as a personal computer connected via an IP network.
[0147]
Also, information for changing and registering information stored in the telephone device adapter is input to the telephone device adapter using a dial or a push button from the telephone, and stored in the telephone device adapter using the input information. The telephone input data write means 1300 capable of registering and changing the stored information is provided, and the maintenance work of the control information for controlling the telephone equipment adapter can be performed from the telephone connected to the telephone equipment adapter. A featured internet telephone network system was described.
[0148]
Embodiment 5 FIG.
In the drawings of the first to fourth embodiments, the configuration diagram of each means showing the components of the telephone device adapter of the Internet telephone network system of the present invention is shown. In this fifth embodiment, IP network communication is performed. A detailed internal configuration of the processing unit 5000 will be described.
FIG. 17 is a network configuration diagram including a firewall on the IP network according to the fifth embodiment.
In FIG. 17, 17 and 27 are firewalls. Other reference numerals are the same as those in FIG.
FIG. 18 is a configuration diagram of the IP network communication processing unit 5000 according to the fifth embodiment. The IP network communication processing unit 5000 of FIG. 15 can be applied as it is to the IP network communication processing unit 5000 of the drawings described in the first to fourth embodiments.
[0149]
In FIG. 18, reference numeral 5100 denotes a UDP communication processing unit 5200 which is a UDP communication processing unit capable of performing a process of User Data Protocol (hereinafter referred to as UDP) as a communication protocol for voice data transmission / reception processing on the IP network 14. UDP port usage management means, which is a UDP port usage management unit that transmits and receives audio data to and from a firewall via a specific UDP port, and 5300 indicates the existence of a UDP port that can transmit and receive data to and from the firewall. UDP port communication confirmation means 5400, which is a UDP port communication confirmation unit to be investigated, performs Real-time transport protocol (hereinafter referred to as RTP) processing as a communication protocol for voice data transmission / reception processing on the IP network. RTP communication processing means that is an RTP communication processing unit capable of
[0150]
Next, the operation will be described with reference to the flowcharts of FIGS. 19 and 20 are the same processes as those shown in FIGS. 10 and 11 described in the second embodiment. FIG. 21 shows processing for the fifth embodiment. The IP network communication processing unit 5000 operates in the voice data transmission / reception processing during the call state in the first to fourth embodiments. A case will be described in which voice data is transmitted from the communication device adapter 22 of the other end of the call to the communication device adapter 12 via the IP network 14, but before that, using UDP and RTP communication protocols. A header when audio data is transmitted and received will be described with reference to FIG. The structure of a packet of voice data performed between the call device adapter 12 and the call device adapter 22 via the IP networks 14 and 24 is as shown in FIG. In the fifth embodiment, an IP header 51, a UDP header 52, and an RTP header 53 are added to the audio data 50 to form an IP packet.
When the voice communication adapter 12 receives voice data from the telephone call adapter 22 via the IP network 14, the UDP communication processing unit 5100 removes the IP header 51 from the IP packet of the voice data and a packet with the UDP header 52. Take out. Next, the RTP communication processing means 5400 takes out the packet with the RTP header 53 from the packet with the UDP header 52, and further sends the digital audio data body from which the RTP header has been removed to the audio data digital / analog conversion means 500, It is converted into analog voice data by the digital / analog converting means 500 and sent to the telephone 10 via the public line signal transmitting / receiving means 1100. It has been described that the analog voice data converted by the voice data digital / analog conversion unit 500 is sent to the telephone 10 via the public line signal transmission / reception unit 1100. However, the voice data digital / analog conversion unit 500 directly performs the IP network communication processing unit 5000. The route may be such that analog voice data is sent to the public line signal transmission / reception means 1100 via the network and output to the telephone 10.
[0151]
Next, a case where call information is transmitted from the telephone 10 to the telephone 20 via the IP network 14 will be described.
The analog audio data main body input from the telephone 10 is input to the IP network communication processing unit 5000 via the public line signal transmission / reception unit 1100, the connection destination determination unit 200, and the line connection switching unit 100. The IP network communication processing unit 5000 converts the input analog audio data into digital audio data by the audio data analog-to-digital conversion unit 600. The converted digital audio data is input to the RTP communication processing unit 5400 of the IP network communication processing unit 5000 and is created as a packet to which the RTP header 53 is added. Further, the packet is created as a packet with the UDP header 52 added by the UDP communication processing means 5100, and then the call device adapter 22 of the other party of the call is connected via the IP network 14 as the IP packet with the IP header 51 added. Is transmitted to the telephone set 20.
[0152]
By using UDP, when the voice data packet does not arrive at the telephone device adapter 22 connected to the telephone 20 of the other party, the retransmission process is not performed. For this reason, it is possible to improve the real-time characteristics of voice data communication. Further, by using RTP, it is possible to manage the transmission time and count of voice data packets, so that the real-time characteristics of voice data communication can be improved.
[0153]
Next, a configuration for confirming whether or not the UDP port can be used for coping with a case where the IP network path is blocked by the firewalls 17 and 27 will be described. It is assumed that information indicating that the network environment of the communication partner is blocked by firefall is stored in the address conversion table 302 together with the IP address. By being stored in the address conversion table 302, it is possible to know the state of the other party's network environment when making a call.
[0154]
The procedure for making a call from a telephone connected to the telephone device adapter and the processing procedure when a call is made are the same as in FIGS. 10 and 11 described in the second embodiment, but the other party is called via the IP network. When it is determined that the call can be made, a process for confirming the existence of a port that can communicate with the call device adapter of the other party of the call is performed.
19, 20, and 21 are flowcharts of procedures for making a call from the telephone 10 via the call device adapter 12. 19 is the same processing as FIG. 10 described in the second embodiment, and FIG. 20 is also the same processing as FIG. 11 described in the second embodiment. FIG. 21 is a flowchart of the processing added in the fifth embodiment. S2400 to S2406 of FIG. 21 are processes corresponding to the process of S24 of FIG. In FIG. 19, when the corresponding IP address can be acquired based on the telephone number input from the telephone 10 (S 23), each port of the partner telephone apparatus adapter via the IP network 14 by the UDP port communication confirmation unit 5300. Is scanned to determine whether access is possible at an arbitrary UDP port (S2400). The UDP port communication confirmation unit 5300 transmits data for confirming whether communication is possible by designating a predetermined port number. If the answer data is delivered within a certain period of time from the telephone adapter connected to the telephone of the other party, it can be understood that the port number can be used. If access is possible at an arbitrary UDP port, the port number of the UDP port checked by the UDP port communication confirmation means 5300 is set as the destination port number of the UDP header 52, and voice data communication processing is performed at the arbitrary UDP port. Is started (S2401). If not possible, it is confirmed whether or not communication is possible with the UDP port specified and stored in advance by the UDP port use managing means 5200 (S2402). In general, the firewall does not allow the specification of an arbitrary UDP port, but it is also possible to set the firewall so that a limited specific UDP port can be used. In that case, the limited specific UDP port is previously managed and stored in the UDP port use managing means 5200. If this is possible, voice data communication processing is started at the specified UDP port (S2403). If this is not possible, it is possible to search for another communication port to explore further possibilities. In the example of this flowchart, it is checked whether or not access to a normally used HTTP port is possible (S2404). However, HTTP port communication confirmation means described in the sixth embodiment is necessary to confirm whether access is possible through the HTTP port as in S2404. Here, when it is determined “No” in the process of S2402, it is checked whether access through the HTTP port is possible. However, when “No” is determined in the process of S2402, the error notification process of S2406 is performed. You can branch to.
[0155]
As described above, since UDP and RTP excellent in real-time characteristics of communication processing are used, the voice quality of a call can be improved. In general, for a firewall that does not allow the use of an arbitrary UDP port, the firewall is set so that a very limited specific UDP port can be used, and the specific UDP port number is assigned to the communication device adapter. By storing the data in the network, it is possible to perform communication processing of audio data that exceeds the firewall. In addition, it is generally possible to scan for available UDP ports against firewalls that do not allow the use of arbitrary UDP ports, so even if the available UDP ports are unknown, Can be searched and voice data communication processing can be performed.
[0156]
In the fifth embodiment, there is provided a UDP communication processing means 5100 capable of performing UDP processing as a communication protocol for voice data transmission / reception processing on the IP network when the telephone device adapter makes a call via the IP network. An Internet telephone network system characterized in that voice data can be transmitted and received by UDP has been described.
[0157]
In addition, when the telephone equipment adapter makes a call via the IP network, the security is to prohibit illegal access to the boundary from the IP network area to which the telephone equipment adapter is connected and managed to the external IP network area. The firewall includes a UDP port use management means 5200 for managing and storing a specific UDP port and transmitting / receiving audio data via the specific UDP port, and using the stored UDP port for voice An Internet telephone network system characterized by being able to make data calls has been described.
[0158]
In addition, when the telephone equipment adapter makes a call via the IP network, the security is to prohibit illegal access to the boundary from the IP network area to which the telephone equipment adapter is connected and managed to the external IP network area. The UDP port communication confirmation means 5300 for investigating the existence of a UDP port capable of transmitting / receiving data is identified with respect to the firewall, and the UDP port capable of transmitting / receiving the audio data is identified, and the audio data is transmitted using the UDP port. An Internet telephone network system characterized by being able to make calls is described.
[0159]
In addition, when the telephone equipment adapter makes a call via the IP network, the communication apparatus adapter includes RTP communication processing means 5400 that can perform RTP processing as a communication protocol for voice data transmission / reception processing on the IP network. An Internet telephone network system characterized by being able to transmit and receive data has been described.
[0160]
Embodiment 6 FIG.
In the drawings of the first to fourth embodiments, the configuration diagram of each means showing the telephone device adapter of the Internet telephone network system of the present invention is shown. In the sixth embodiment, details of the IP network communication processing means 5000 are shown. A schematic diagram of the internal structure is shown in FIG. The IP network communication processing unit 5000 in FIG. 23 can be directly applied to the same unit in the drawings described in the first to fourth embodiments.
The system configuration diagram of the Internet telephone network system according to the sixth embodiment is the same as the network configuration diagram shown in FIG. 17 according to the fifth embodiment.
[0161]
In FIG. 23, 5700 is a TCP communication processing means which is a TCP communication processing unit capable of performing transmission control protocol (hereinafter TCP) processing as a communication protocol for audio data transmission / reception processing on the IP network, and 5800 is on the IP network. HTTP communication processing means, which is an HTTP communication processing unit capable of performing Hyper Text Transfer Protocol (hereinafter, HTTP) processing as a communication protocol for audio data transmission / reception processing, 5900 is an HTTP capable of transmitting / receiving data to / from a firewall. It is an HTTP port communication confirmation unit that is an HTTP port communication confirmation unit that investigates the existence of a port.
[0162]
Next, the operation will be described.
As in the first to fifth embodiments, the IP network communication processing unit 5000 operates in the voice data transmission / reception processing in the call state. When voice data is transmitted from the communication device adapter 22 of the other party of the call via the IP network 14 to the telephone set 10 to which the communication device adapter 12 is connected, the IP of the voice data transmitted by the TCP communication processing means 5700 is transmitted. Upon receiving the packet, the TCP communication processing means 5700 takes out the packet with the TCP header excluding the IP header from the IP packet of the voice data. Next, the HTTP communication processing means 5800 takes out the packet with the HTTP header from the packet with the TCP header, and further sends the digital audio data body from which the HTTP header has been removed to the audio data digital / analog conversion means 500. The data converted into the analog voice data by the voice data digital / analog converting means 500 is sent to the public line signal transmitting / receiving means 1100, and the analog voice data is transmitted from the public line signal transmitting / receiving means 1100 to the telephone 10. The analog voice data is transmitted to the telephone 10 through the public line signal transmission / reception means 1100, but is transmitted from the voice data digital / analog conversion means 500 to the telephone 10 via the IP network communication processing means 5000 via the public line signal transmission / reception means 1100. It does not matter.
[0163]
Next, a case where analog voice data is input from the telephone 10 and transmitted to the other party's telephone 20 via the IP network will be described.
The analog audio data body input from the telephone 10 is input to the IP network communication processing unit 5000 via the public line signal transmission / reception unit 1100, the connection destination determination unit 200, and the line connection switching unit 100. The IP network communication processing unit 5000 sends the analog audio data body to the audio data analog / digital conversion unit 600. The analog audio data body is converted into digital audio data by the audio data analog-to-digital conversion means 600, and is created as a packet with an HTTP header added by the HTTP communication processing means 5800. Further, the TCP communication processing means 5700 creates a packet with a TCP header added, adds an IP header, and transmits the packet as an IP packet to the telephone 20 of the other party of the call via the IP network 14.
[0164]
With respect to the HTTP port communication confirmation means 5900, in the fifth embodiment, as shown in S2404 of FIG. 21 as the means for checking whether or not the UDP port can be used, when the UDP port cannot be used at all, the HTTP port communication confirmation means By means of a step-by-step procedure of checking whether the HTTP port can be used by means 5900, when the HTTP port can be used, voice data communication processing by HTTP is performed.
[0165]
As described above, a general firewall often cannot use a UDP port. However, since an HTTP port is normally open, voice data is communicated as an HTTP message, so a robust firewall can be used. On the other hand, call processing via the IP network can be realized.
[0166]
In the sixth embodiment, a TCP communication processing unit 5700 capable of performing TCP processing as a communication protocol for audio data transmission / reception processing on the IP network when the telephone device adapter makes a call via the IP network. An internet telephone network system characterized in that voice data can be transmitted and received by TCP has been described.
[0167]
In addition, when the communication device adapter makes a call via the IP network, the communication device adapter includes an HTTP communication processing means 5800 capable of performing HTTP processing as a communication protocol for transmitting / receiving audio data on the IP network. An Internet telephone network system characterized by being able to transmit and receive data has been described.
[0168]
In addition, when the telephone equipment adapter makes a call via the IP network, the security is to prohibit illegal access to the boundary from the IP network area to which the telephone equipment adapter is connected and managed to the external IP network area. The HTTP port communication confirmation means 5900 for investigating the existence of an HTTP port capable of transmitting and receiving data is identified with respect to the firewall, and the HTTP port capable of transmitting and receiving voice data is specified, and the voice data is transmitted using the HTTP port. An Internet telephone network system characterized by being able to make calls is described.
[0169]
Embodiment 7 FIG.
In the drawings of the above first to sixth embodiments, the configuration diagram of each means showing the telephone device adapter of the Internet telephone network system of the present invention is shown. In the seventh embodiment, the details of the IP network communication processing means 5000 are shown. Internal configuration diagrams are shown in FIGS. This IP network communication processing means 5000 can be applied to the same means in the drawings of the first to sixth embodiments so far.
The configuration diagram of the network system of the seventh embodiment is the same as the network configuration diagram shown in FIG. 17 of the fifth embodiment.
[0170]
24 and 25, an audio data packet 5500 is an audio data packet encoding unit that compresses audio data itself and changes the header of a packet in a standard format such as RTP or HTTP to a compressed header limited to the minimum necessary information. An encoding means 5600 is an audio data packet decoding unit which is an audio data packet decoding unit that decompresses the received compressed audio data itself and analyzes the compressed header to obtain a header of a standard format packet such as RTP or HTTP. Means 6100 is such that the digital voice data packet received at discontinuous timing from the destination telephone set 20 connected to the IP network at a discontinuous timing is converted as an analog signal and sent out with a constant delay. The reception buffering means 6200, which is a reception buffering section for temporarily storing the buffer size in a reception buffer whose buffer size can be changed, 6200 transmits a digital voice data packet to the destination telephone 20 connected to the IP networks 14 and 24. A transmission buffering unit that creates a digital audio data packet to be transmitted, stores it in a transmission buffer whose buffer size can be changed, and adds only necessary data to the packet assembly before sending it out. When a digital voice data packet is transmitted to the telephone set 20 connected to the IP networks 14 and 24, the buffering means 6300 uses the same voice data in order to cope with a packet loss of the voice data depending on the network traffic situation. Overlapping packets with variable number The redundant packet issuing means 6400, which is a redundant packet issuing unit for transmission, transmits voice data to be transmitted in order to reduce network traffic when transmitting digital voice data packets to telephones connected to the IP networks 14 and 24. Packet generation filtering means which is a packet generation filtering section capable of reducing the number of packets, 6500 is network traffic monitoring means which is a network traffic monitoring section for monitoring the reception timing of voice data packets from the IP network 14, and 6600 is a network A network traffic statistics data management unit that accumulates traffic status statistical data and calculates parameters that indicate the average traffic status in each time period in a cycle such as a day or a week This is network traffic statistical data management means.
[0171]
Next, the operation will be described.
As in the first to sixth embodiments so far, IP network communication processing means 5000 operates in the voice data transmission / reception processing during a call state. The basic operation of this IP network communication processing unit 5000 is performed in the same manner as in the fifth to sixth embodiments. Here, when audio data is sent to or extracted from the RTP communication processing means 5400 or HTTP communication processing means 5800, the audio data packet encoding means 5500 compresses the audio data and the RTP or HTTP header, The decoding means 5600 decompresses the audio data and the RTP or HTTP header. The compression of RTP and HTTP headers includes the case where the headers are not conformed to the standard header format in practice and are used as a modified header in which only necessary minimum information is compactly collected.
[0172]
In addition, since various data traffic exists on the IP network, voice data packets do not always arrive at regular intervals. Such variation in the arrival time of each packet is referred to as fluctuation in transmission time. When receiving a packet in order to absorb this fluctuation in transmission time, the voice data packet is stored in the reception buffer, and is output to the public line signal transmitting / receiving means 1100 on the analog side at regular intervals. In this way, even if a delay occurs in each packet, the timing at which the audio data is output to the output side is constant as long as it is within the capacity of the reception buffer, and the reproduced sound is not interrupted. This processing is performed by the reception buffering means 6100. The reception buffering means 6100 has a reception buffer 6101 and is a means for performing the above processing. Since the delay in which sound is reproduced is increased by the length of time accumulated in the reception buffer 6101, the capacity size of the reception buffer cannot necessarily be increased. Therefore, this capacity size is a trade-off between actual call quality and delay / fluctuation. ”” Sounds like a blank time “...” has been inserted, such as “Oh ... Therefore, in order to fill in the blank time “...”, a reception buffer is prepared, and the entire playback time is delayed to remove the sound interruption. The larger the receive buffer size, the more disruption is made and the voice quality improves, but the overall delay increases, so the timing of speaking is delayed. In other words, if you increase the receive buffer size, the fluctuation is absorbed and the voice quality improves, but on the other hand, the delay increases, making it difficult to hear. It is necessary to set the optimal value in consideration of the fact that the reception buffer size is determined by the trade-off between the characteristics of the two. However, in reality, the optimum value varies depending on the network traffic condition. In the reception buffering means 6100, the capacity size of the reception buffer 6101 can be changed according to an arbitrary condition. Further, in order to cope with the case where buffer overflow occurs frequently, the buffer capacity size is set to a large size so that the data sent out from the audio data digital-to-analog conversion means 500 on the reproduction side is always only a part thereof. There is also. In this case, it is conceivable to control not only the capacity size of the reception buffer but also the size of data sent to the audio data digital / analog conversion means 500 on the reproduction side according to various conditions.
[0173]
Similarly, in order to cope with various data traffic situations on the IP network, it is conceivable to change the size of the voice data packet transmitted to the IP network 14 on the transmission side. For this purpose, the transmission buffering means 6200 has a transmission buffer 6201. The transmission buffering unit 6200 accumulates a certain amount of audio data in the transmission buffer 6201 and transmits the audio data. The smaller the packet size of the voice data to be transmitted, the smaller the delay and the better the call quality. However, since each packet always has a header of a certain size, the size can be reduced even if the packet size is reduced. There is a limit. If the size is further reduced, the amount of packets increases, so the amount of network traffic increases. Therefore, control is performed to change the size of the transmission buffer according to the network traffic situation.
[0174]
Similarly, in order to cope with various data traffic situations on the IP network, voice data packets with exactly the same contents are reserved for use in cases where packet loss of transfer data frequently occurs in UDP communication processing. Measures to transmit in duplicate are conceivable. This process is performed by the redundant packet issuing means 6300. This redundant packet is not always issued, but if the network traffic increases, the delay of the entire packet will increase. Therefore, in order to reduce unnecessary packets, it is necessary to adjust not to issue redundant packets. . Although network traffic has not increased much, if packet loss occurs frequently, control to issue redundant packets will reduce packet loss and improve call quality.
[0175]
Similarly, in order to cope with traffic conditions of various data on the IP network, in order to reduce the amount of data to be transmitted when the network traffic increases, the voice data that does not affect the call quality is reduced. Control that does not transmit a packet can be considered. The packet generation filtering unit 6400 performs this processing. Here, as a condition for performing the filtering, a setting excluding the audio data whose sound volume level is a certain value or less can be considered. This is because in human hearing, it has already been confirmed that there is no effect on a call even if a sound having a certain volume level is not reproduced. As a result, as the network traffic increases, it is possible to continue the call with almost no loss of call quality by controlling the volume of the audio data to be removed so that the limit level of the volume of the audio data to be removed at the time of transmission is increased. it can.
[0176]
Similarly, in order to cope with the data traffic situation on the IP network, it has been described that various communication controls are performed by each means during communication processing. Therefore, in order to grasp the network traffic situation, the reception timing of the voice data packet is continuously recorded by the network traffic monitoring means 6500. As a result, the network traffic amount is estimated and the above-described conditions for communication control are changed as appropriate. For example, in the case of the reception buffering means 6100, when the network traffic monitoring means 6500 confirms that the network traffic has increased, it notifies the reception buffering means 6100 to increase the capacity size of the reception buffer 6101. When the capacity size of the reception buffer is increased, packets are accumulated in the reception buffer 6101 to some extent and then transferred to the audio data digital-to-analog conversion means 500, so that network traffic can be eliminated. On the other hand, when the network traffic decreases, the packet arrives at the communication device adapter at a stable timing. Therefore, the network traffic monitoring unit 6500 sets the capacity size of the reception buffer 6101 to the reception buffering unit 6100. Notification is made so that it becomes smaller.
[0177]
Furthermore, in order to cope with various data traffic situations on the IP network, statistical data is also used for changing various parameters for the above-described communication control. Data monitored and accumulated by the network traffic monitoring means 6500 is received by the network traffic statistical data management means 6600 and communicated by the reception buffering means 6100, transmission buffering means 6200, redundant packet issuing means 6300, and packet generation filtering means 6400 described above. Provide information necessary for control. The network traffic statistical data management means 6600 presents an average network traffic trend in a cycle such as one day or one week, which can be used as a reference for performing communication control by each means.
[0178]
24, the communication processing means includes an RTP communication processing means 5400 and a UDP communication processing means 5100. In the configuration diagram shown in FIG. 25, the communication processing means includes an HTTP communication processing means 5800 and a TCP communication processing means. Communication processing means 5700 is provided. The reception buffering means 6100, the transmission buffering means 6200, the packet generation filtering means 6400, the network traffic monitoring means 6500, and the network traffic statistical data management means 6600 are shared by the configuration diagrams of FIGS. However, redundant packet issuing means 6300 is provided only in the configuration diagram shown in FIG. This is because the UDP communication processing means 5100 and the redundant packet issuing means 6300 are related. In the case of UDP, it has a feature of sending data to a destination without establishing a session. Therefore, even if packet loss occurs frequently, UDP itself does not have a function for dealing with packet loss. For this reason, redundant packet issuing means 6300 is provided to support UDP. On the other hand, since TCP starts communication after establishing a session, it has a feature of retrying as many times as possible until data can be reliably communicated. For this reason, TCP does not need to support the retry function, and therefore there is a reason that the telephone equipment adapter of FIG. 25 does not have redundant packet issuing means 6300.
[0179]
As described above, the original compression is performed on the header portion of the packet of the audio data to be communicated. For this reason, it can be made smaller than the standard packet size, and network traffic can be reduced. This unique compression is, for example, compression by compressing the header part information using a compression program to reduce the size or having only the data necessary for the telephone equipment adapter, which is an element of the present invention, in the header part. Pointing to do.
[0180]
In addition, even if there is fluctuation in the transmission time of each packet of voice data to be communicated, it is stored until it reaches a certain size at the time of reception and sent to the analog playback side, so it is stable even if the network traffic situation is unstable Can keep the call quality.
[0181]
In addition, when transmitting each packet of voice data to be communicated, the packet size is reduced when the amount of network traffic is small, and the packet size is increased when the amount of network traffic is increased. Even if stable, stable call quality can be maintained without affecting network traffic.
[0182]
In addition, redundant packets can be issued when packet loss occurs frequently during transmission of each packet of voice data to be communicated, so even if the network traffic frequently causes packet loss, a stable call Quality can be maintained.
[0183]
Also, when the amount of network traffic increases at the time of transmission of each voice data packet to be communicated, avoid forwarding voice data packets that do not affect call quality under conditions such as a certain volume level or lower. Therefore, even if the amount of network traffic increases, stable call quality can be maintained.
[0184]
In addition, it measures the reception timing of each packet of voice data to be communicated, estimates the network traffic situation, and adjusts various parameters for the above communication processing, so it is optimal for the latest situation of network traffic. Communication processing can be performed, and stable call quality can be maintained.
[0185]
In addition, the result of measuring the reception timing of each packet of voice data to be communicated is accumulated so that it can be referred to as data indicating the network traffic status in a cycle such as one day or one week. It is possible to control the optimum communication processing corresponding to the situation and maintain stable call quality.
[0186]
In the seventh embodiment, when a telephone connected to the telephone apparatus adapter is recognized by another telephone connected to the same type of telephone apparatus adapter that the connection destination is the same type of telephone apparatus adapter. The voice data packet encoding means 5500 for compressing the voice data itself and changing the header of the packet in the standard format such as RTP or HTTP to a compressed header limited to the minimum necessary information and transmitting the voice data, and receiving The compressed audio data itself is decompressed, and the compressed header is analyzed to obtain a packet header in a standard format such as RTP or HTTP. Internet power, which can perform good call data transmission / reception processing He described the network system.
[0187]
In addition, a digital voice data packet received at a discontinuous timing due to a change in network traffic from a destination telephone via the IP network to a telephone connected to the telephone device adapter is converted and sent as an analog signal. Is provided with a reception buffering means 6100 for temporarily storing it in a reception buffer whose buffer size can be changed so as to have a constant delay, and an analog voice signal can be transmitted to the telephone at a stable timing. Explained the network system.
[0188]
In addition, when a digital voice data packet is transmitted to a telephone set connected to a telephone adapter through a IP network to a destination telephone set, a digital voice data packet to be transmitted is created and the buffer size is changed. A transmission buffering means 6200 for performing processing for adding only necessary data to the packet assembly before being stored in a transmission buffer that can be sent and sent to the packet assembly, can realize an optimal transmission form of digital voice data packets according to network traffic conditions, An Internet telephone network system characterized in that it can transmit voice data with good quality has been described.
[0189]
Further, when a digital voice data packet is transmitted to a telephone set connected to a telephone device adapter via the IP network to a destination telephone set, a packet loss of voice data that occurs according to the network traffic situation is dealt with. Therefore, redundant packet issuing means 6300 for transmitting the same voice data packet in a variable number is provided, and even if network traffic conditions deteriorate and packet loss occurs, voice data can be transmitted with good quality. Internet phone network system to explain.
[0190]
In addition, when a digital voice data packet is transmitted to a telephone set connected to the telephone device adapter via the IP network to a destination telephone set, the voice data packet to be transmitted is transmitted in order to reduce network traffic as much as possible. The Internet telephone network system characterized in that the packet generation filtering means 6400 that can reduce the number of packets can be reduced, and the increase in network traffic due to voice data can be suppressed and voice data can be transmitted with good quality has been described.
[0191]
Further, the network traffic monitoring unit 6500 that monitors the reception timing of the voice data packet received via the IP network for the telephone connected to the telephone device adapter is used to analyze the network traffic situation and to be in a specific situation. After detecting this, it is possible to instruct change of the operation status of the various means of the reception buffering means 6100, transmission buffering means 6200, redundant packet issuing means 6300, and packet generation filtering means 6400 provided in the telephone adapter. An Internet telephone network system characterized in that optimal transmission / reception processing according to network traffic conditions can be realized and voice data can be transmitted with good quality has been described.
[0192]
Also, the network traffic monitoring means 6500 for monitoring the reception timing of the voice data packet received via the IP network is received and accumulated in the telephone connected to the telephone device adapter, and the statistical data of the network traffic status is stored. The reception buffering means 6100 and transmission buffer provided in the telephone adapter using the network traffic statistical data management means 6600 that calculates a parameter indicating an average traffic state in each time zone in a cycle such as 1 week. It is possible to instruct the change of the operation status of the ring unit 6200, redundant packet issuing unit 6300, and packet generation filtering unit 6400, realizing optimum transmission / reception processing according to the average network traffic status, and high quality It has been described internet telephone network system, characterized in that it is the voice data transmission.
[0193]
Embodiment 8 FIG.
In the eighth embodiment, when a firewall is provided in the network environment of a call destination, an Internet telephone network system including an HTTP relay server that can send call information to a destination telephone without being aware of the firewall Give an explanation.
FIG. 26 is a network configuration diagram of the eighth embodiment.
In FIG. 26, 18 is an HTTP relay server. The other symbols are the same as those in FIG.
FIG. 27 is a block diagram of each means constituting the HTTP relay server provided in the Internet telephone network system of the eighth embodiment.
In FIG. 27, reference numeral 5700 denotes a TCP communication processing unit which is a TCP communication processing unit which performs data transmission / reception processing via the IP network 19, and 5800 receives a data packet from the TCP communication processing unit 5700 as an HTTP message. An HTTP communication processing unit 5600 which is an HTTP communication processing unit that analyzes or assembles an HTTP message and passes it as data to be transmitted to the TCP communication processing unit 5700. The 5600 decomposes the voice data packet obtained from the HTTP communication processing unit 5800. The voice data packet decoding means 5500, which is a voice data packet decoding section for extracting the encoded voice data, assembles the coded voice data to be transmitted as a packet and sends it to the HTTP communication processing means 5800. The voice data packet encoding means 8100, which is a packet encoding section, temporarily stores the voice data obtained from the voice data packet decoding means 5600, and when the voice data is taken out by HTTP access, the voice data packet encoding means 5500 It is an audio data buffering means which is an audio data buffering section to be sent out. The HTTP access is based on the assumption that the HTTP relay server is a Web server and that the call device adapter has a Web browser, so that each call device adapter is an HTTP relay in which voice data is assumed to be a Web server by a POST message in HTTP. Can be sent to the server. In addition, each telephone device adapter can acquire a place where voice data output from a telephone connected to each telephone device adapter is stored by a GET message. This is HTTP access. The voice data is temporarily held in the HTTP relay server, and the call processing adapter connected to another telephone that needs the voice data goes to obtain it, so that the call processing can be realized.
The telephone call information 8200 confirms information on whether or not the calling device adapter has been called by each calling device in response to a telephone call from the calling device adapter, and responds when there is an inquiry from each calling device adapter. A telephone call information management means 8300, which is a management unit, is a telephone apparatus connected to the telephone 20 and a telephone apparatus adapter 12 connected to the telephone 10 when two telephone apparatus adapters, for example, the telephone 10 and the telephone 20 have a conversation. An HTTP connection changing unit is an HTTP connection changing unit for changing the connection of the HTTP relay server 18 to the adapter 22 so that the HTTP relay server is a Web server and the telephone device adapter is a Web browser, and 8400 is connected to a telephone for making a call. Transferred to the HTTP relay server 18 from the called telephone adapter TCP / IP packet which is a TCP / IP packet header conversion unit that converts the IP address of the IP header in the data packet and the port number of the TCP header into the IP address and port number of the telephone device adapter of the final transmission destination It is a header conversion means.
[0194]
FIG. 28 is an internal block diagram of the IP network communication processing means 5000 of the eighth embodiment. The IP network communication processing means 5000 in FIG. 28 can be applied as it is to the means in the first to seventh embodiments.
[0195]
In FIG. 28, reference numeral 7300 denotes an HTTP telephone calling unit which is an HTTP telephone calling unit for transmitting telephone calling information to the HTTP relay server 18 by HTTP access, and 7100 denotes a destination of call stored in the telephone calling information management unit 8200. The HTTP polling unit 7200 is an HTTP polling unit that checks the call status of the communication device adapter by polling HTTP access using the inquiry information. The telephone number IP address conversion unit 300 blocks the communication device adapter of the call destination by the firewall. The telephone call communication means, which is a telephone call communication unit that reports that a call is being made to the call device adapter of the call destination when it is found out.
[0196]
FIGS. 29 and 30 are a first example and a second example of the configuration diagram of each means showing the HTTP relay server management server of the Internet telephone network system according to the eighth embodiment. 29 and 30, reference numeral 9200 denotes an HTTP relay server load state monitoring unit which is an HTTP relay server load state monitoring unit for monitoring the load state of a plurality of HTTP relay servers, and 9100 is a call process by an inquiry from the telephone device adapter. This is an HTTP relay server designating unit that is an HTTP relay server designating unit that designates an HTTP relay server to be used.
[0197]
In the first example of FIG. 29, a plurality of HTTP relay servers 18 of FIG. 27 are prepared, and an HTTP relay server management server that manages them collectively is shown. In the second example of FIG. 30, only the processing means necessary for connection negotiation with the telephone adapter is extracted from the HTTP relay server 18 of FIG. 27, and the extracted processing means is incorporated in the HTTP relay server management server 180. A form in which the relay server management server 180 performs processing up to connection negotiation is shown. In this case, since the voice data transmission / reception processing of the call after the connection negotiation is performed only by the TCP / IP packet header conversion unit 8400, the HTTP relay server can be realized by incorporating only that unit.
[0198]
Next, the operation will be described.
First, FIG. 31 shows a form of a network configuration composed of a telephone device adapter and an HTTP relay server. FIG. 31A shows a method that is executed assuming that the HTTP relay server 18 is a provider. The means for checking that a telephone is connected to the telephone connected to the telephone device adapter periodically polls the information stored in the telephone call information management means 8200 which is the management area of the HTTP relay server 18. There is a method of checking by making a check or by making an e-mail, an instant message, or a public line call from the outside.
In FIG. 31B, the communication device adapters 12 and 22 are provided in a network environment protected by the firewalls 17 and 27, and an external WWW server, a proxy, and the like are provided in the network environment blocked by the same firewall. In such an environment, a method of executing the HTTP relay server program on an external WWW server or the like can be considered.
In FIG. 31C, a telephone terminal that can make a call with a dedicated terminal (terminal that executes an HTTP relay server program) is installed in a network environment blocked by a firewall, and the installed telephone terminal and A method of making a call with a dedicated terminal can be considered. Here, three forms (A), (B), and (C) are shown, but the flowcharts (polling) of the form (A) (method for executing an HTTP relay server by a provider or the like) in FIGS. (Method) will be described.
[0199]
The procedure for making a call from one call device adapter to the other call device adapter is as follows. First, the phone of the caller is picked up, the phone number is entered, and the phone number IP address is based on the entered phone number. The conversion means 300 converts it into the IP address of the other party. An example of conversion to an IP address is the same as that described in the first embodiment.
[0200]
(Polling method) If the telephone number is converted to an IP address in S22 of FIG. 33 and can be normally converted into an IP address in S23, then the telephone call information in the HTTP relay server 18 is sent by the HTTP telephone call means 7300. Flag information is set for the IP address to be called in the management area for each IP address of the management means 8200 (S62). The management area for each IP address of the telephone call information management means 8200 is regularly set to the own management area in the telephone call information management means 8200 in the HTTP relay server by the HTTP polling means 7100 of the telephone equipment adapter of the other party of the call. Therefore, the communication device adapter connected to the other party's telephone can know that the telephone is being called.
[0201]
(In the case of mail or instant message) If the IP address can be converted from the telephone number in the confirmation processing in S23 of FIG. 33, the telephone call communication means 7200 then calls the telephone device adapter of the other party of the call. Send an email or instant message to let the other party's phone know that you are calling. The processing for mail and instant message is not particularly shown in the flowcharts of FIGS.
[0202]
(When making a call from the public line) When the telephone number can be normally converted into an IP address in S23 of FIG. 33, the public line signal transmitting / receiving means 1100 calls the other party's telephone from the public line side. The telephone device adapter connected to the other party's telephone informs that a telephone call is being made instantaneously.
[0203]
Then, the call device adapter of the other party also sends a call tone to the telephone connected to the call device adapter to start the call. If the other handset's telephone handset is picked up, it will be in a call state, and each telephone device adapter will go to retrieve the other party's call data, and the call data will be sent to the HTTP relay server as necessary. And send it. This continues until disconnected. The voice data buffer is a place where call data is sent from this telephone apparatus adapter and is temporarily stored until it is taken out from the other telephone apparatus adapter. The voice data buffering means 8100 performs voice data transmission / reception processing of this telephone call. Do. The processes of S66, S67, and S68 in FIG. 32 are procedures until a call state is established and a call is continued when another call is made. S62, S63, S64, and S65 in FIG. Is a process of a procedure that continues until the handset of the other party's telephone is picked up and the telephone is placed in a call state and the call is disconnected. Since the two telephones make a call through the HTTP relay server both in the case of making a call and in the case where the telephone is called, the two telephones set the HTTP relay server to each other after the call state described above is reached. The process of transmitting / receiving call data via S corresponds to the description of the processes from S66 to S68 in FIG. 32 and S62 to S65 in FIG.
[0204]
Next, a flowchart (polling method) of the HTTP relay server in FIG. 34 will be described.
The HTTP relay server 18 accepts only HTTP access for external access via the IP network. In FIG. 34, whether or not HTTP access data is received in S70 is confirmed by the HTTP communication processing means 5800. Only in the polling system, there is an HTTP access for confirming whether or not a call is made from each communication device adapter to itself. Other than that, there is access to make a new call to another phone, access to send voice data and acquire voice data for yourself, and HTTP access to contact when disconnecting the call To do. In S71, when it is determined that the HTTP access makes a new call to another telephone, the telephone call information management means 8200 accesses the management area of the other party of the telephone call to determine whether the telephone is already in the middle or not. Check (S75). If it is during a telephone call, the HTTP message that is in the middle of a telephone call is returned (S76, S77). Otherwise, the fact that a telephone call has been started is returned as an HTTP message (S78). When the call state is established, the voice data buffering means 8100 performs management so that the voice data delivered from the call device adapter is temporarily stored (S79) and collected by another call device adapter. . If there is call data in the voice data buffer area of the call destination, the call data is transmitted as an HTTP return message to the call device adapter connected to the call destination telephone by the voice data buffering means 8100 and the HTTP communication processing means 5800 ( S80). In the process of S71, if the access is HTTP access for confirming whether a call is being made to the communication device adapter itself, the telephone connected to the call device adapter from which the telephone call information management means 8200 is the confirmation requester is connected. The management information is checked to see if a telephone call has been made (S72). As a result of the examination, if there is a telephone call (S73), information indicating that the telephone call is made is transmitted by the HTTP communication processing means 5800 to the telephone apparatus adapter connected to the confirmation requesting telephone (S74). If it is determined that the access is HTTP access for disconnecting the call to the process of S71, the telephone call information management unit 8200 changes the information to indicate that both the call source and call destination management information are on standby. (S81).
[0205]
As described above, since a general firewall can access the external Internet via HTTP, the telephone device adapter can perform telephone calls and call processing via an HTTP relay server. Therefore, it is possible to make a call via the IP network without changing any setting.
[0206]
In the HTTP relay server, the call data is transmitted / received after the first connection negotiation process between the telephone device adapters. However, since this processing load is very heavy, the call data is transmitted / received via the HTTP relay server. Instead, the processing load of the HTTP relay server can be reduced if it is directly performed between the two telephone equipment adapters, and even if many users call and the call processing is concentrated, the processing can be continued without delay. , Call quality can be maintained. For this purpose, the HTTP connection changing means 8300 changes the HTTP and TCP connections so that they are directly connected between both adapters after the initial connection negotiation.
[0207]
As described above, since transmission / reception of call data is performed directly between both call adapters without going through the HTTP relay server, the processing load of the HTTP relay server is reduced, so that many uses are made. Even if a person makes a call and the call processing is concentrated, the processing can be continued without delay and the call quality can be maintained.
[0208]
Furthermore, in the HTTP relay server, the call data is transmitted / received after the first connection negotiation process between the telephone device adapters. However, since this processing load is considerably heavy, the processing performed by the HTTP relay server is performed as much as possible. Only simple processing can be considered. This is because an IP header portion in a packet of voice data transferred from both call adapters to the HTTP relay server at the time when both call device adapters that perform a call are connected by the HTTP relay server and preparation for call processing is completed. The IP address and the port number of the TCP header are directly converted into the IP address and port number of the telephone device adapter of the final transmission destination, which is executed by the TCP / IP packet header converting means 8400.
[0209]
As described above, the transmission / reception of the call data is performed on the HTTP relay server by using the IP address of the IP header portion and the port number of the TCP header in the packet of the voice data as the IP address and port of the call destination adapter of the final transmission destination. Since the processing load of the HTTP relay server is reduced by directly converting the number, even if many users call and the call processing is concentrated, the processing can be continued without delay, and the call quality is improved. Can hold.
[0210]
On the other hand, even if efficient communication processing is performed in the HTTP relay server, if the number of users increases and the number of telephone device adapters requesting call processing increases, there is a limit in processing performance in one HTTP relay server. Someday it will fail. Therefore, by preparing a plurality of HTTP relay servers and distributing the call processing of each call device adapter to them, each user can maintain a comfortable call state.
[0211]
Therefore, an HTTP relay server management server that integrally manages the plurality of HTTP relay servers is required. The relationship between the HTTP relay server management server and the HTTP relay server is shown in FIGS. The HTTP relay server management server 180 uses the HTTP relay server load state monitoring unit 9100 that monitors the load states of a plurality of HTTP relay servers at the time of an inquiry from the first telephone device adapter, so that the HTTP relay server with few users currently available can be used. And the candidate HTTP relay server used in the call processing is specified by the HTTP relay server specifying means 9200.
[0212]
As described above, when the number of telephones connected to the telephone device adapter is greatly increased, a plurality of HTTP relay servers are prepared, the load states of the plurality of HTTP relay servers are appropriately monitored, and available ones are allocated. In this way, the HTTP relay server management server performs the specified management, so that the call processing is distributed so that the processing load of the HTTP relay server is kept within the performance limit, so many users make calls. Even if call processing is concentrated, processing can be continued without delay, and call quality can be maintained.
[0213]
In the eighth embodiment, HTTP communication including TCP communication processing means 5700, HTTP communication processing means 5800, voice data packet encoding means 5500, voice data packet decoding means 5600, telephone call information management means 8200, and voice data buffering means 8100. An internet connection device capable of processing, which is arranged as an arbitrary terminal on the internet that is not blocked by a firewall, and is connected to a firewall that allows HTTP data communication from one of the telephones connected to the communication device adapter. The HTTP relay relays the voice data transmission / reception processing between the telephones separated by the firewall by transmitting the voice data received by the HTTP access via the IP network by the HTTP access from another telephone. It described the internet telephone network system which includes a server over.
[0214]
When making a call from the telephone connected to the telephone apparatus adapter via the Internet, when the telephone number IP address conversion means 300 finds that the telephone apparatus adapter of the other party is blocked by a firewall, the HTTP relay is performed. An HTTP telephone call means 7300 for transmitting telephone call information to the server by HTTP access, and the call destination adapter of the call destination that reports that a call is made to the call destination adapter of the call destination by any means The Internet telephone network system has been described in which the voice data on the HTTP relay server can be received by performing the HTTP access from the Internet, and the voice data transmission / reception process can be performed in reverse.
[0215]
Further, when making a call from the telephone connected to the telephone device adapter via the Internet, when the telephone number IP address conversion means 300 finds that the telephone device adapter of the called party is blocked by the firewall, In order to report that a call is being made to the previous call device adapter, the call of the telephone call information management means 8200 in which the call status of each telephone is stored to the HTTP relay server at an appropriate time interval at all times. The call status of the previous call device adapter is checked by the HTTP polling means 7100, and when it is found that the call is being made, the call device adapter that has been called can make a call via the HTTP relay server by HTTP access. Explained the Internet phone network system.
[0216]
Further, when making a call from the telephone connected to the telephone device adapter via the Internet, when the telephone number IP address conversion means 300 finds that the telephone device adapter of the called party is blocked by the firewall, In order to report that a telephone call is being made to the previous telephone device adapter, the telephone call communication means 7200 conveys the telephone call by a communication method such as mail or instant message generally passing through the firewall, and the call is made. An internet telephone network system has been described in which the telephone adapter can be used to make a call via an HTTP relay server by HTTP access.
[0217]
Further, when making a call from the telephone connected to the telephone device adapter via the Internet, when the telephone number IP address conversion means 300 finds that the telephone device adapter of the called party is blocked by the firewall, In order to report that a telephone call is being made to the previous telephone apparatus adapter, the public line signal transmission / reception means 1100 transmits only telephone call information via a temporary public line, and the telephone apparatus adapter that has been called is notified. An Internet telephone network system has been described that enables a telephone call via an HTTP relay server by HTTP access.
[0218]
In addition, when the telephones connected to the telephone apparatus adapter make a call via the Internet and the both telephone apparatus adapters for performing a call by the HTTP relay server are connected and ready for the call processing, the both telephone apparatus adapters and the HTTP relay are connected. A telephone that includes HTTP connection changing means 8300 that directly changes the HTTP connection of the server and directly creates an HTTP connection between the two telephone apparatus adapters, and performs a voice data communication process between the two telephone apparatus adapters by HTTP access. Explained the Internet telephone network system that will be possible.
[0219]
In addition, when a telephone call is made from the telephone connected to the telephone apparatus adapter via the Internet, and both telephone apparatus adapters for making a call by the HTTP relay server are connected and preparation for call processing is completed, the two telephone apparatus adapters perform HTTP relay. TCP / IP packet header converting means 8400 for converting the IP address of the IP header part and the port number of the TCP header in the packet of the voice data transferred to the server into the IP address and port number of the telephone device adapter of the final transmission destination The Internet telephone network system has been described that enables high-speed processing when passing through an HTTP relay server for performing voice data communication between both telephone apparatus adapters.
[0220]
In addition, when the number of telephones connected to the telephone device adapter that performs HTTP access to the HTTP relay server is greatly increased, a plurality of HTTP relays are provided so that the processing load of the HTTP relay server is kept within the performance limit. An HTTP relay server load state monitoring unit 9100 for preparing servers and monitoring their load states, and an HTTP relay server designating unit 9200 for designating an HTTP relay server used in the call processing by an inquiry from the first telephone device adapter. The Internet telephone network system provided with the HTTP relay server management server that integrates and manages a plurality of HTTP relay servers with the above described.
[0221]
Embodiment 9 FIG.
In the ninth embodiment, a communication device adapter in which the name of a terminal identifier is transmitted to each other by a communication device adapter connected to a telephone that has made a call when the call is disconnected will be described.
FIG. 35 is a configuration diagram of each unit of the communication device adapter according to the ninth embodiment.
In FIG. 35, 420 is an IP address information message transmission / reception means that is an IP address information message processing section, and is means for exchanging messages about IP address information between telephone equipment adapters by the SMTP protocol. The public line signal transmission / reception means 1100 has a function of mutually transmitting the name of the terminal identifier to the telephone apparatus adapter connected to the telephone that has been making a call when the call is disconnected. The address conversion table 302 is a table that stores telephone numbers and terminal identifier names in association with each other.
[0222]
In recent years, IP addresses are often dynamically allocated by DHCP (Dynamic Host Configuration Protocol) servers and routers from the viewpoint of saving IP addresses even within enterprises. In some cases, IP addresses are dynamically allocated in a dial-up manner. In such a case, in order to specify the partner telephone device adapter at the time of outgoing call, recognition is performed by the name that is the identifier of the telephone device adapter instead of the IP address.
By designating a name when making a call and using the mail protocol to send and receive IP addresses to and from the other party of the call, it is possible to designate an IP address for subsequent call processing.
[0223]
In the second embodiment, the IP address learning unit 400 included in the connection destination determination unit 200 is used to obtain an IP address from the telephone device adapter connected to the telephone of the other party when the call is disconnected, and the own IP address From the telephone device adapter to the other telephone device adapter. In the ninth embodiment, the IP address information message transmission / reception means 420 mutually communicates the name of the terminal identifier attached to the telephone device adapter instead of the IP address when the call is disconnected. The name of the received terminal identifier is stored in the address conversion table 302 in correspondence with the telephone number. When a call is made to the telephone of the other party after receiving the name of the terminal identifier, an IP address corresponding to the name of the terminal identifier is assigned, so that the call can be made via the IP network.
[0224]
In the ninth embodiment, the telephone number of the conventional general public line is input to the telephone connected to the telephone apparatus adapter from another telephone connected to the same type of telephone apparatus adapter, so that The IP address learning means 400 that communicates the name of the terminal identifier with each other at the time of disconnection, the address conversion table 302 for learning and storing the correspondence information between the telephone number of the conventional general public line and the name of the terminal identifier, and the SMTP The IP address information message transmission / reception means 420 for exchanging messages about IP address information between the communication device adapters by a protocol such as (simple mail transfer protocol) automatically calls over the IP network after the next telephone call. It is characterized by being able to apply It has been described internet telephone network system.
[0225]
Embodiment 10 FIG.
In the tenth embodiment, a method for dynamically assigning the IP address of the communication device adapter will be described, which is different from the ninth embodiment.
FIG. 36 is a configuration diagram of each unit of the communication device adapter according to the tenth embodiment.
In FIG. 36, reference numeral 5001 denotes public line communication processing means, which is a public line communication processing unit, which performs communication processing via the IP network by dialing using a protocol such as PPP (point-to-point tunneling protocol) via the public line. It is a means that can be done on the up connection.
[0226]
The public line communication processing means 5001 makes a call by replacing the processing via the IP network described in the first and second embodiments with communication processing on dial-up connection.
[0227]
In the tenth embodiment, a public line communication processing unit 5001 is provided which can perform communication processing via an IP network on a dial-up connection using a protocol such as PPP via a general public line for a telephone connected to a telephone device adapter. The Internet telephone network system characterized in that the process via the IP network can be replaced with the communication process on the dial-up connection to make a call.
[0228]
Embodiment 11 FIG.
In the eleventh embodiment, a communication device adapter capable of making a call by replacing processing via an IP network with communication processing on a serial port connection to a terminal adapter will be described.
FIG. 37 is a configuration diagram of each unit of the communication device adapter according to the eleventh embodiment.
In FIG. 37, reference numeral 5002 denotes a serial port communication processing means, which is a general terminal adapter capable of performing communication processing via an IP network on a dial-up connection using a protocol such as PPP via a general public line with a serial port such as RS232C. This is a serial port communication processing means that can be performed after connection. Further, the communication device adapter 12 is connected to the serial port cable 33. Other reference numerals are the same as those in FIG. 9 of the second embodiment.
[0229]
A serial terminal such as RS232C can be connected to a general terminal adapter that can perform communication processing via an IP network on a dial-up connection using a protocol such as PPP via a general public line for the telephone connected to the telephone device adapter according to the eleventh embodiment. An internet telephone network comprising serial port communication processing means 5002 that can be connected to a port and capable of making a call by replacing the processing via the IP network with communication processing on a serial port connection to a terminal adapter Explained the system.
[0230]
Embodiment 12 FIG.
In the said Embodiment 1-11, the telephone call information input into the telephone apparatus adapter was output from the telephone apparatus (telephone). However, the call device is not limited to a telephone, and may be a personal computer or a mobile phone.
[0231]
Embodiment 13 FIG.
As described in the second embodiment, the call device adapter learns the IP address of the other party of the call in both the case where the call is made and the case where the call is made. However, when making a call, it is sufficiently assumed that the same party is called again. However, when a call is made, the possibility of making a call to the other party is not necessarily high. For example, when making a call for the purpose of selling sales or inquiring for specific information, there is almost no case of making a call to the person who made the call. Therefore, when a call is often made for such a purpose, it is sufficient to consume an entry in the address conversion table 302 for storing the IP address of the other party that is not supposed to make a call. is assumed.
[0232]
From the above, in the telephone device adapter of users who often make calls for such a purpose, it is possible not to learn the IP address of the other party of the call when making a call. Is possible.
[0233]
Although it is possible to adopt a specification of processing that does not learn IP addresses when a call is made as described above, such a situation is expected to change, so the user It is possible to improve the convenience for the user by making it possible to change the setting as to whether or not the processing specification is used. Therefore, using the above-described maintenance function, it is possible to select whether to learn the IP address of the other party of the call when a call is made as a setting of the call device adapter. Alternatively, when the user makes a call, address learning prohibition information for instructing not to learn the IP address is input after the telephone number of the other party using the dial of the telephone or a push button. Or enter it before the other party's phone number. Address learning prohibition information is set in advance on a predetermined dial or a predetermined push button. The public line signal transmission / reception unit 1100 detects this address learning prohibition information and notifies the IP address learning unit 400 that the IP address learning is not performed. In this way, it may be possible not to learn the IP address of the call partner.
[0234]
In the second embodiment, the public line signal processing unit performs the learning process of the IP address learning unit that learns the address information of the communication device from the side that made the call and the side that made the call, and the side that made the call In the thirteenth embodiment, an example of an Internet telephone network system characterized by being performed by both sides of a telephone call has been described. However, in the thirteenth embodiment, the public line signal processing unit An example of the Internet telephone network system has been described in which the learning process of the IP address learning unit that learns the address information is not performed on the side of the telephone.
[0235]
In addition, the public line signal processing unit calls the learning process of the IP address learning unit that learns the address information of the calling device from the side that made the call and the side that made the call. There are two modes: a mode that is performed on both sides, and a mode that does not perform the learning process of the IP address learning unit that learns the address information of the calling device from the side that made the phone call. It is also possible to construct an Internet telephone network system capable of mode setting.
[0236]
Embodiment 14 FIG.
In the fourteenth embodiment, a mechanism for exchanging IP addresses with each other after the call described in the second embodiment will be described in more detail.
FIG. 38 shows a schematic configuration in a case where a call is made by using the call device (telephone) and the call device adapter with both users. The telephone circuit I / F (interface) control circuit 1110 in the adapter shown in FIG. 38 is a generic name of the public line signal transmission / reception unit 1100, the line connection switching unit 100, the connection destination determination unit 200, and the like.
[0237]
After the end of the call, the user places the handset of the call device on the call device body after an appropriate time has elapsed. This state of the handset is generally called on-hook. Conversely, the state where the handset is raised is called off-hook. If the on-hook state of the handset is transmitted to the public line exchange as it is, the call line is disconnected, and the IP address information cannot be exchanged. Therefore, the public line signal transmission / reception means 1100 of the telephone apparatus adapter detects the on-hook state of the telephone apparatus, and the telephone line I / F control circuit 1110 switches the public line circuit so as to indicate the off-hook state of the telephone apparatus. In other words, at this time, the call device itself is disconnected from the public line, and the call device adapter is directly connected to the public line instead of the call device.
[0238]
Thus, even if the user ends the call and places the handset, the connection can be maintained and the IP address information can be transmitted and received.
[0239]
This is because the public line signal processing unit holds the call information without disconnecting the connection on the public line immediately after both users who have made a call end the call and on-hook the receiver. An example of an Internet telephone network system, characterized in that address information corresponding to the identification information of the calling device on the side of transmitting the call information is transmitted to the other party transmitting the call information via a public line. Yes.
[0240]
FIG. 39 shows an example of a sequence of procedures for performing transmission / reception of IP address information. Here, a sequence when a telephone call is made from the telephone A to the telephone B is shown by (1) to (9). The telephone B that has made a call sends a disconnect tone that signals the start of the first process (1). At the point of time when this first cue disconnect tone is transmitted, it is necessary that the user already has the handset on-hook in both communication devices. Therefore, after the call is finished, the user waits for a sufficiently long time until the user puts the handset, for example, about 5 seconds, and then the first disconnect tone is transmitted. In this way, in most cases, the IP address transmission / reception process is successful. If the disconnection tone is transmitted when the telephone set A is still in the off-hook state, it fails, and the IP address transmission / reception process is executed again after the next call.
[0241]
This is because the public line signal processing unit has passed enough time that it is expected that the other user will go on-hook immediately after the other user on the call ends the call and on-hook the handset. After that, address information corresponding to the identification information of the call device on the side transmitting the call information is sent to the other party transmitting the call information while holding the connection on the public line without disconnecting the public line. An example of an Internet telephone network system characterized in that transmission is performed via is described.
[0242]
Further, after the call is over, in order to make the on-hook operation of the handset in time for the start of the IP address transmission / reception process, when the on-hook operation is performed on one of the call devices, the call device adapter connected to the call device is connected to the call device of the other party. By sending a busy tone (a tone indicating busy), the handset can be on-hooked. This is because, in general, the user is accustomed to hang up the handset immediately when there is a busy tone, rather than when no sound is produced. In addition, there is a possibility that it is more effective to transmit a tone having a stronger sound quality than a busy tone.
[0243]
This is because the public line signal processing unit causes the other user to on-hook the other user immediately after the other user ends the call and on-hook the receiver. An example of an Internet telephone network system is described in which the telephone apparatus adapter transmits to the telephone apparatus a sound that makes the user realize the end of the call, such as a busy tone.
[0244]
Further, the use is impossible during the IP address transmission / reception process and even if the use of the telephone is resumed immediately. When the IP address transmission / reception process is started as the processing of the telephone apparatus adapter, the connection of the public line to the telephone apparatus is not switched until the process is completely completed. In order to notify the user that such a state is present, a sound for warning that the user cannot use a call, such as a busy tone, can be heard during the IP address transmission / reception process. If an off-hook operation of the handset of the call device is detected during the IP address transmission / reception process, it is possible by sending a busy tone to the call device side. As described above, another tone having a warning color stronger than the busy tone can be transmitted.
[0245]
This is because the public line signal processing unit holds the above call information without disconnecting the connection on the public line immediately after both users who are making calls end the call and on-hook the handset. While the address information corresponding to the identification information of the call device on the side transmitting the call information is being transmitted to the other party via the public line, either of the users can also call the telephone. When the handset is off-hook for use, a busy tone or the like is sent from the call device adapter of the user to the call device to warn the user that the call is in progress and cannot be made. An example of an Internet telephone network system characterized by transmitting a sound that makes a user realize that a call cannot be made is described.
[0246]
In the above description, the operation for making a call cannot be performed during the IP address transmission / reception process, but the telephone device adapter can only accept a telephone number input operation from the telephone device. Therefore, instead of letting the busy tone, the telephone number input is accepted as usual, the telephone number identification information of the telephone number is stored, and after the IP address transmission / reception process is completed, the normal telephone call processing is performed. Can be executed. Since the IP address transmission / reception process is not a process that takes many minutes, there is a high possibility that the IP address transmission / reception process is sufficiently completed during the operation of the user's telephone number input. By doing so, even if the user tries to make a call immediately after the call is finished, the user can use the telephone without being put on standby by the IP address transmission / reception process.
[0247]
This is because the public line signal processing unit holds the above call information without disconnecting the connection on the public line immediately after both users who are making calls end the call and on-hook the handset. While the address information corresponding to the identification information of the call device on the side transmitting the call information is being transmitted to the other party via the public line, either of the users can also call the telephone. When the handset is off-hooked for use, input of identification information of the call device of the user's call destination is received and stored, and after completion of the transmission process, call processing corresponding to the identification information is performed. An example of an internet telephone network system characterized by starting is described.
[0248]
Up to now, only the registration process to the IP address table has been mentioned. Next, the point of canceling the registration of the IP address of the call partner once registered will be explained for the convenience of the user. The point that it is better not to register the IP address of the other party of the call when making a call has been described in the thirteenth embodiment. Therefore, it was possible to make settings so that IP address registration is not performed uniformly when a call is made. However, even in such a case, after making a specific call, the call is never made again. If it is assumed that a call is not made for the other party, the registration of the IP address of the other party can be canceled immediately after the call. For example, wrong calls, complaint calls from customers, inquiry calls, and survey calls. In order to realize this function, after the IP address transmission / reception process after the end of the call, the user picks up the handset and gives a number indicating the execution of the registration erasure function together with a specific # or * symbol (erasure instruction information). Input to the communication device. Based on this input operation, the public line signal transmission / reception means 1100 in the telephone adapter adapts the registration of the IP address table entry stored immediately before via the telephone number IP address conversion means 300. In this way, it becomes possible to delete the registration of the IP address of the other party that is unnecessary for the convenience of the user.
[0249]
This means that when the public line signal processing unit does not use the next call, such as a wrong call, when the user makes a call, the call destination learned by the IP address learning unit after the call An example of the Internet telephone network system is described in which the registration of the address information of the call device can be deleted by an operation such as a button input of the call device.
[0250]
Embodiment 15 FIG.
In the second embodiment, the input of the telephone number is confirmed in S21 of FIG. In the fifteenth embodiment, the contents will be described in more detail.
Since the telephone number, which is identification information of the telephone device, has various numbers of digits, several methods are conceivable for determining whether or not the user has finished inputting the telephone number. Basically, an operation of inputting one digit and one digit of continuous telephone numbers is repeated every appropriate time (for example, about 0.3 seconds). Since it is assumed that this time interval rarely exceeds, for example, 5 seconds, it is determined that the input of the telephone number is completed if there is no input operation when a certain set time is exceeded. it can. Since this set time may also depend on the user's phone operation habits, it is desirable to set an appropriate time for each user, so that the user can change the set time.
[0251]
This means that the public line signal processing unit determines whether or not the user who is making a call finishes input of identification information of the destination call device to be input to the call device by inputting continuous information of one character. An example of an Internet telephone network system is described in which a state that is not performed even after the elapse of time is detected and performed.
[0252]
In the above description, for example, a standby time for determining the end of input of about 5 seconds is set. However, it is assumed that some users may not like to wait for such a standby time. Therefore, when the input of the last number of the telephone number composed of predetermined character information is completed, in order to notify the calling device adapter side of the termination, the termination of characters such as # and * indicating proper termination It is also possible to take a method of inputting information. Of course, in combination with the method of inputting the end information, there is no input, and the end can be automatically determined after the set time has elapsed. On the other hand, when the phone number is basically fixed to a predetermined size, for example, a four-digit phone number, such as an internal extension, the extension number must be entered by first entering 9 etc. And then entering a 4-digit telephone number can automatically determine whether the input operation has ended.
[0253]
This means that the public line signal processing unit determines whether or not the input end of the identification information of the call destination device to be input to the call device by the user who is making a call is being entered during continuous input of one character. An example of an Internet telephone network system is described, which is performed by detecting that a character indicating the final input is input.
[0254]
Furthermore, as the telephone number system, telecommunications carrier information determined for each telecommunications carrier (telephone service company) is adopted. A method of confirming the number of digits (size) of the telephone number to be performed is also feasible.
[0255]
This is because the public line signal processing unit determines whether the user who makes a call finishes input of identification information of a call destination telephone device to be input to the telephone device. Information) input, the number of digits of identification information (size) is determined by the numbering system of the higher-level identification information of each telephone company, and the final input is detected while counting the number of characters entered. An example of an internet telephone network system characterized by
[0256]
The upper identification information for each telephone service company will be described below. The company name of the telephone service company is abbreviated.
・ High-level identification information
A three- to four-digit number that is dialed at the beginning when using a carrier other than NTT from an NTT subscriber phone. Since the spring of 2001, a “telephone priority connection system” will be introduced that allows customers to make calls by omitting the three- to four-digit identification number if the carriers that they normally use are registered in advance. NTT East and NTT West were given this identification number by the Ministry of Posts and Telecommunications in August 1999.
FIG. 40 shows high-order identification information for each telephone service company (communication carrier). However, the company name of the telephone service company (telecommunications carrier) described in FIG. 40 is abbreviated.
[0257]
On the other hand, after S21 of FIG. 4 of the second embodiment, an address conversion table reference process is performed in S22 according to the input telephone number. In this reference processing, there is a method in which all telephone number information is collected, or a method of narrowing down candidates for the corresponding IP address table entry from the upper digits little by little every time a telephone number is entered. You can also take
[0258]
This is characterized in that the connection destination determination unit performs conversion processing by the address conversion unit on all the identification information input to the call destination call device after determining the end of input of the call device. An example of an Internet telephone network system is described.
In addition, the connection destination determination unit continuously performs the conversion process by the address conversion unit every time one character of identification information is input from the call destination call device after determining the end of input of the call device. An example of an Internet telephone network system is described.
[0259]
As described above, when the IP address table entry search is performed for each digit of the telephone number, only one address information candidate remains before the entry search is performed for all digits. It is assumed that there are many cases. In such a case, when there is no other address information candidate, the IP address conversion process is terminated, whereby a higher speed process can be realized.
[0260]
This means that, after the connection destination determination unit determines that input of the call device has been completed, every time one character of identification information is input from the call destination call device, the conversion processing by the address conversion unit may cause conversion. The address information candidates are limited, and when the options are narrowed down to one, the address information candidates are adopted as a final conversion result without waiting for the input of all identification information. An example of the Internet telephone network system is described.
[0261]
In addition, as described above, if the configuration is not such that the candidates for IP address table entries are narrowed down by checking the phone numbers one digit at a time, a search is performed for all digit phone numbers. As an intermediate case, for example, a method of searching an IP address table entry when an 8-digit telephone number is input can be considered. As a look-ahead of the search, the search processing is based on the assumption that the search process will be successful if the search results are matched approximately by 8 digits. A number other than 8 digits can be considered as appropriate for the number of digits for prefetching. If there are many cases where a 4-digit in-house extension telephone number is called, a high-speed determination process can be realized comprehensively by performing the search process once when the 4-digit number is entered. Also, in these prefetch search processes, if a plurality of candidates remain, a more accurate search process can be realized by executing a search for the telephone number added again.
[0262]
This means that, after the connection destination determination unit determines that input of the call device has been completed, every time one character of identification information is input from the call destination call device, the conversion processing by the address conversion unit may cause conversion. When the address information is limited and the selection information is narrowed down to one after the identification information having a specific number of digits is input, the address is not waited for input of all the identification information. An example of an Internet telephone network system characterized by adopting information as a final conversion result is described.
[0263]
Embodiment 16 FIG.
Here, the process when the call device adapter is connected to a call device management device such as a PBX or a button telephone device will be described in more detail.
FIG. 41 shows a use form of a plurality of telephone lines by a general PBX or a button telephone apparatus. When a call is made from a call device (telephone) to an area outside the PBX 190, there is no difference in communication processing from the case of an existing call device alone. The telephone number information at the time of the telephone call input to the telephone apparatus is transmitted as it is to the telephone office exchange, and the exchange generates a connection with the other party of the telephone call. On the other hand, as shown in FIG. 41, when a call is made from the outside of the PBX 190, it is necessary to select a specific communication device in the PBX. Therefore, the exchange 192 includes a plurality of units supported by the PBX. It is necessary to transmit information on the lower digits of the telephone number for identifying the communication devices 10a to 10d to the PBX side. The information transmission / reception method between the PBX 190 and the exchange 192 has specifications determined by the telephone company.
[0264]
FIG. 42 shows a use form of a plurality of telephone lines by a communication device management apparatus connected with a communication device adapter.
In order for the call device adapter 22 to support a connection form with a call device management device such as a PBX or a button phone device, when a call is made from outside the PBX 190, the actual call device management device performs. As described above, the call device needs to transmit the lower-order digit information of the telephone number received from the exchange 192 to the call device management apparatus. At this time, the transmission / reception method between the communication device adapter 22 and the communication device management device of the PBX 190 adopts the same transmission / reception method between the exchange 192 and the PBX 190. Each telephone company publishes detailed specifications on the transmission / reception method of the lower-order digit information of the telephone number.
[0265]
This is because when the telephone line processing unit of the telephone apparatus adapter is connected to a telephone apparatus management apparatus such as a PBX or a button telephone apparatus between the telephone apparatus and the telephone apparatus, the telephone apparatus management device When a call is made from the public line of the call device adapter or the IP network, identification information for identifying a specific call device among the plurality of call devices connected to the phone is called An example of an Internet telephone network system characterized in that a telephone call can be specified and transmitted by transmitting to the apparatus management apparatus is described.
[0266]
In addition to transmission / reception processing between a telephone exchange and a general telephone device, a telephone company may perform transmission / reception processing for realizing the service in order to provide a special service with a device such as PBX as described above. In addition to support such as PBX, there is a thing related to number display (number display function). In this method, the telephone number of the other party of the call can be displayed on the display device of the calling device at hand, and telephone number information transmission / reception processing is performed between the exchange and the calling device. Basically, the exchange performs a process of transmitting telephone number information to the telephone apparatus that has made a call. In order to realize this in the Internet telephone network system of the present invention, the telephone equipment adapter connected to the telephone equipment of the person who made the call temporarily stores the telephone number information transmitted from the exchange, In the same manner as in the transmission / reception method, the telephone number information is further transmitted to the call device.
[0267]
This is because when the public line signal processing unit of the telephone apparatus adapter makes a contract for the number display function (number display function) in the telephone service on the public line, the telephone apparatus of the other party of the call When the telephone is called from the public line of the telephone apparatus adapter or the IP network, the identification information for identifying the telephone apparatus is transmitted to the telephone apparatus, whereby the display device of the telephone apparatus An example of an Internet telephone network system, characterized in that the identification information of the other party of the call can be displayed on the screen.
[0268]
Since the above service is an exchange service on the public line, in order to support the same function on the IP network, the calling device adapter that made the call is the calling device adapter that made the call. On the other hand, it can be realized by transmitting the telephone number information of the calling party.
[0269]
This is because the public line signal processing unit of the telephone equipment adapter is in charge of the number display function (number display function) when the telephone equipment of the other party of the call has made a contract for the number display function (number display function) in the telephone service on the public line. By transmitting identification information for identifying a communication device from the IP network of the communication device adapter to the communication device adapter of the communication partner, the identification information for identifying the communication device is transmitted to the communication device adapter. An example of an internet telephone network system, characterized in that the identification information of our telephone device can be displayed on the display device of the telephone device.
[0270]
Furthermore, with respect to the number display function (number display function), by entering non-notification information that is a special number digit (eg, 184) at the beginning of the telephone number, You can refuse to send. The telephone equipment adapter that makes a call via the public line only needs to send the telephone number including the special number digits entered above to the exchange as it is, so no special communication processing is required. It is necessary for the communication device adapter of the person who can make a call to mediate the rejection communication process for requesting the telephone number information between the exchange and the communication device. Further, when making a call via the IP network, if the input of the special number digit is confirmed, the telephone number information is not transmitted to the telephone device adapter that can make the call. Furthermore, the telephone apparatus adapter that can make a call needs to refuse transmission of telephone number information to the telephone apparatus in the same manner as the communication processing of the exchange.
[0271]
This is because the public line signal processing unit of the telephone equipment adapter is in charge of the number display function (number display function) when the telephone equipment of the other party of the call has made a contract for the number display function (number display function) in the telephone service on the public line. When making a call from the IP network of the call device adapter with the identification information for identifying the call device added to the call device adapter of the other party of the call when the number digit of non-notification is added. An example of the Internet telephone network system is described in which the display of the call device of the other party of the call can be suppressed from displaying the identification information of the call device by not transmitting the call.
[0272]
As for the services related to the number display function (number display function), the telephone company has released the specifications of the communication processing method between the exchange and the communication device. Can be implemented.
[0273]
Embodiment 17. FIG.
The maintenance setting function described in the fourth embodiment allows the user to set control information unique to the setting information storage unit. Processing cannot be executed. For example, if the IP address or netmask of the telephone device adapter is incorrect, all processing for accessing the IP network fails. Therefore, when an obvious error in the setting value is detected in the execution of the processing in the telephone device adapter, the user is notified of the error in the setting value. As means for notifying the user, for example, a setting error is indicated when a telephone receiver is picked up in order to display a warning lamp or display screen on the telephone adapter or to use a connected telephone. Send a warning tone.
[0274]
This is because the IP network communication processing unit or the public line signal processing unit performs setting in the telephone device adapter by the user using the IP network data read / write unit or telephone input data write unit. When the entire call process cannot be executed due to an error in the settings, a warning message is displayed on the display device of the call device adapter or a warning sound is transmitted to the connected telephone. An example of an Internet telephone network system is described in which the user can be guided to correct a setting error.
[0275]
In the above, the case where the set IP address or the like is incorrect for IP network access is taken as an example. However, for IP network access, the connected router is broken or the IP network is disconnected. Thus, it is possible to issue a warning in the same manner as described above without performing access to the IP network.
[0276]
This is because the IP network communication processing unit or the public line signal processing unit is set by the user in the telephone device adapter using the IP network data read / write unit or the telephone input data write unit. When the entire call process can be executed due to an error in the setting, the IP network connected to the call apparatus adapter or the public line is disconnected, or the call apparatus adapter is disconnected. When the connected telephone or IP network device is not operating due to failure or stoppage, a warning is displayed on the display device of the telephone adapter or a warning sound is transmitted to the connected telephone. Internet phone network, which can alert the user of abnormalities in peripheral devices. It describes an example of over-click system.
[0277]
Therefore, even for the above warning function, when a router failure is restored or a disconnected IP network is newly restored, normal IP network access can be resumed. By stopping the conventional warning processing and starting normal processing, it is possible to save the user from having to release the warning function.
[0278]
This is because the IP network communication processing unit or the public line signal processing unit is set by the user in the telephone device adapter using the IP network data read / write unit or the telephone input data write unit. When the entire call process can be executed due to an error in the setting, the IP network connected to the call apparatus adapter or the public line is disconnected, or the call apparatus adapter is disconnected. If the connected telephone or IP network device is not operating due to failure or stoppage, but the status is activated by the restoration processing of the peripheral device, the display device of the communication device adapter Stop the warning display or stop sending the warning sound to the connected phone. Abnormal side device is described an example of the internet telephone network system, characterized in that can notify that it has recovered.
[0279]
Embodiment 18 FIG.
In the eighth embodiment, the message “POST” has been described as the message for sending the voice data to the HTTP relay server. However, messages such as GET and PUT can be used in addition to POST. However, in the case of GET, there is an upper limit on the data size because it is basically necessary to embed in a field called URL. Since POST and PUT can have a data body portion in addition to various fields such as a header portion, there is basically no upper limit on the size (however, there may be restrictions due to implementation of HTTP proxy, etc.).
[0280]
In addition, when acquiring voice data from an HTTP relay server using a GET message, the voice data that has been cut into pieces can be repeatedly acquired by issuing a GET message. Once the GET message for acquiring data of the second size that is sufficiently larger than the audio data is issued, the audio data of the first size is repeatedly acquired when the audio data can be captured once. Is also possible.
[0281]
In the HTTP specification, message transmission / reception processing is executed after a connection is first established between the client side and the server side. Basically, there is a processing time required to generate this connection. Basically, in real-time audio data transmission / reception processing, once a connection is generated in order to improve performance, it should be connected as much as possible. It is desirable to hold and transmit / receive audio data. However, network nodes such as HTTP proxies are generally interposed between the client side and the server side, so the connection may be disconnected regardless of the convenience of the client side and the server side depending on the relay status. There is also. In such a case, the audio data transmission / reception process is restarted by newly connecting again.
[0282]
In addition to the HTTP, the communication device adapter and the HTTP relay server perform communication on the IP network by TCP. TCP is a connection-type communication protocol, and it is necessary to establish a connection before transmitting and receiving data. In the communication processing by TCP, data transmission / reception may be delayed for a long time or the connection may be disconnected due to some cause on the IP network. In such a state, the processing of the program stops, so all processes that send and receive data via the IP network set a fixed timeout value, such as waiting for a reply from the communication partner. If there is no response even if the timeout value is exceeded in the process, it is possible to avoid a hangout of the system by reestablishing the connection and restarting the IP network access process from the beginning.
[0283]
This is because the telephone equipment adapter connects to the HTTP communication processing unit of the relay server in order to transmit a voice data packet, and then GET, POST, PUT, etc. defined by HTTP. An example of an Internet telephone network system characterized in that audio data is stored in an encoded format in a method message and transmitted.
[0284]
In addition, this means that the telephone adapter is connected to the HTTP communication processing unit of the relay server in order to receive a voice data packet, and then a method such as GET defined by HTTP is used. An example of an Internet telephone network system characterized in that voice data is stored and received in an encoded format in a message response message is described.
[0285]
In addition, this is because the telephone device adapter makes a connection to the HTTP communication processing unit of the relay server in order to receive a voice data packet, and then uses a message of a GET method defined by HTTP. , By acquiring data that is sufficiently larger than the size of the voice transmission / reception data of the telephone act, storing the voice data in the encoded data body in the response message data body, and continuing each time the voice data occurs An example of an Internet telephone network system is described in which the voice data is received as fragments.
[0286]
In addition, this means that the telephone device adapter connects to the HTTP communication processing unit of the relay server in order to send and receive voice data packets, and sends and receives messages of each method and its response messages. An example of an Internet telephone network system is described in which a message of each method and a response message thereof are continuously transmitted / received without immediately disconnecting the connection.
[0287]
In addition, this means that the telephone device adapter connects to the HTTP communication processing unit of the relay server in order to send and receive voice data packets, and sends and receives messages of each method and its response messages. If the connection is interrupted for some reason during or immediately after the connection, the connection is made again and the method message and its response message are sent and received continuously. An example of a network system is described.
[0288]
In addition, this means that the telephone device adapter connects to the HTTP communication processing unit of the relay server in order to send and receive voice data packets, and sends and receives messages of each method and its response messages. If there is no response to the HTTP or TCP transmission / reception process even after a certain fixed time has passed for some reason, or after performing the connection disconnection process again, An example of an Internet telephone network system is described in which connection is made and messages of methods and response messages are continuously transmitted and received.
[0289]
Embodiment 19. FIG.
In the eighth embodiment, using FIG. 34, the telephone call information management means 8200 accesses the management area of the other party of the call and checks whether or not the telephone is already on (S75). In the nineteenth embodiment, an identifier which is call connection identification information is given to the call action itself (this identifier will be referred to as a session ID), and when making a call using the HTTP method, When it is determined that a call can be made to the HTTP relay server as to whether or not it is possible to make a call, the HTTP relay server can give a call by giving a session ID to the call. Confirm. (Basically, the session ID may be generated by the counter incrementally.)
Based on this session ID, the HTTP relay server manages information related to the call. When the telephone apparatus adapter on the user side also acquires this session ID as a call permission, transmission / reception of voice data to / from the HTTP relay server can be performed separately from other calls while referring to the session ID. The HTTP relay server records information related to the call based on the session ID, for example, log information such as identification information of both call devices of the call, IP address information, call time, call start time, call end time, and the like. Can be managed. It is also possible to perform billing work based on such management information.
[0290]
This is because the relay server manages session information, which is a set of address information of the call device adapters of both users when the user makes a call, as call connection identification information, and the call connection in the voice data packet. An example of an Internet telephone network system characterized by storing identification information and transferring it over an IP network is described.
[0291]
In addition, this means that the relay server uses the session information, which is a set of address information of the call device adapters of both users when the user makes a call, as a call connection identification information, and the user's call is executed. An example of an Internet telephone network system is described in which a call time, a communication packet amount, and the like can be stored and retrieved as log information each time.
[0292]
Embodiment 20. FIG.
In the twentieth embodiment, when a call is received from a third party using another method during a three-way call including a call via a public line, a UDP call via an IP network, and an HTTP call. A communication device adapter provided with a processing method for informing the busy state of the phone will be described.
In the sixth embodiment, the call processing mode in which the three systems of public line, UDP, and HTTP coexist has already been described. In the eighth embodiment, the procedure for making a telephone call using the HTTP method has been described. Here, as a procedure for making a call, a case will be described in which a telephone calling method using mail by SMTP (simple mail transfer protocol) is used.
[0293]
There are nine patterns shown in FIG. 43 as a case where a third party receives a call during a call using the above three methods.
[0294]
As shown in FIG. 43, in the process of notifying the busy state, a busy tone is basically output to a third-party communication device. When a telephone call from a third party is via a public line, in addition to sending a busy tone directly from the telephone company's exchange, the telephone device adapter that made the telephone call generates a busy tone and transmits it via the public line. To do. However, in the latter case, only the user is informed of the busy state, and the call state is also reached, so that a telephone fee is paid to the telephone company. When the telephone call from the third party is UDP, a busy state report is made from the telephone apparatus adapter that made the telephone call, so the third party telephone apparatus adapter itself generates a busy tone to the user. I try to hear that sound. If the telephone call from the third party is HTTP, if it is determined that the call is in a busy state by an inquiry to the HTTP relay server, the third party telephone device adapter itself generates a busy tone to the user. I try to hear the sound.
[0295]
Even when three types of telephone communication methods are mixed, it is possible to report a busy state in response to a telephone call from a third party. However, in order to simplify the implementation of the communication device adapter or the like, it is possible to omit the busy state report as described above. In this case, even if a third party makes a phone call, it will cause the user to feel that he / she will not answer the phone no matter how long he / she has called. It will be.
[0296]
This is because the IP network communication processing unit or the public line signal processing unit is in a state where the user is making a call using one of the communication methods of public line communication, RTP communication processing, and HTTP communication processing. When a third user makes a telephone call using one of the above calling methods, a busy tone can be transmitted to the third user's calling device to notify the busy state. An example of the Internet telephone network system is described.
[0297]
【The invention's effect】
As described above, the above-described embodiment describing an example of the Internet telephone network system of the present invention has the following effects.
[0298]
When a call can be made via the IP network, a call can be made via the IP network and the telephone number cannot be converted into an IP address, or the other party's call device is not connected to the IP network, If the call device adapter connected to the previous call device is a device that is not compatible with the call device adapter on the transmission side, such as when a call on the IP network is impossible, a call is made via the public network. There is an effect that can be applied.
[0299]
Further, there is an effect that the user can make a call via the IP network using the conventional telephone number as it is.
[0300]
Further, when call information is received as digital voice data from the IP network, there is an effect that the voice information can be transmitted to the call device as analog voice data.
[0301]
Further, when call information is received as analog voice data from the call device, there is an effect that it can be converted into digital voice data and transmitted to the IP network.
[0302]
In addition, if the other party's call device that sends the call information is capable of making a call via the IP network, the call can be made from the IP network side, and if not, the call is made from the public line side. By doing so, both can be switched automatically. Therefore, there is an effect that the caller can send and receive call information via the public line or the IP network as required.
[0303]
Also, after making a call via a public line, the telephone number of the telephone device and the IP address corresponding to the telephone number are notified to the telephone number of the other party, or the telephone number of the other party's telephone device is supported. Since the IP address learning unit for receiving the IP address is provided, there is an effect that it is unnecessary for the caller to check the other party's IP address in advance and set it in the address conversion table.
[0304]
In addition, by storing the telephone number and IP address of the conventional general public line in association with each other, there is an effect that the telephone can be automatically made via the IP network after the next telephone call.
[0305]
In addition, since two or more voice data other than one's own voice received via the IP network from another telephone apparatus connected with the telephone apparatus adapter of the present invention is mixed and output as voice, more than three persons There is an effect that it is possible to make a conference call via the IP network by callers.
[0306]
Also, since a conference identification number is set for the conference call and the conference identification number is specified by the caller who requested the call when the call is requested, a conference call via the IP network is performed between the specified participants. There is an effect that can.
[0307]
Further, since a telephone identification number is set in the telephone apparatus connected with the telephone apparatus adapter, and the telephone identification number is designated by the caller who has requested the telephone call when the telephone call is requested, an IP network is established between the specified telephone apparatuses. There is an effect that a telephone conference can be performed via.
[0308]
Also, assign a password in advance to each caller who is scheduled to participate in the conference call, manage it for each conference call, and enter the password of each caller when participating in the conference call, so that a comparison with a pre-registered password is performed. It is possible to authenticate the conference call participants.
[0309]
In addition, control information generated for maintenance work can be input from a communication device that is an existing telephone connected to the communication device adapter or a general-purpose personal computer, and stored in the setting information storage unit according to the input control information. Therefore, there is an effect that the cost of adding a data input / output device dedicated for maintenance work to the communication device adapter can be reduced. In addition, there is an effect that a user or the like can easily perform maintenance setting work using a conventional device (such as an existing telephone device or a general-purpose personal computer).
[0310]
In addition, because registration information related to conference calls can be entered and registered from a telephone connected to the telephone adapter or a personal computer connected to the IP network, the frequency of new registrations and changes or deletions of registered information is high. It is possible to easily change the registration information of permission information related to the telephone conference.
[0311]
In addition, since UDP or RTP excellent in real-time characteristics of communication processing is used, there is an effect that the voice quality of a call can be improved.
[0312]
In addition, for a firewall that does not allow the use of any UDP port, the firewall is set so that a very limited specific UDP port can be used, and the specific UDP port number is stored in the communication device adapter. Thus, there is an effect that it is possible to perform communication processing of audio data that exceeds the firewall.
[0313]
In addition, since the UDP port that can be used for the firewall that does not allow the use of an arbitrary UDP port can be scanned, even if the available UDP port is unknown, it is searched for, There is an effect that communication processing of audio data can be performed.
[0314]
In addition, the UDP port is often not available on the firewall, but since the HTTP port is normally open, voice data is communicated as an HTTP message. For this reason, there is an effect that the call processing via the IP network can be realized even for a robust firewall.
[0315]
Further, there is an effect that voice data can be transmitted and received by TCP when the telephone device adapter makes a call via the IP network.
[0316]
In addition, when the telephone device adapter makes a call via the IP network, there is an effect that voice data can be transmitted and received by HTTP.
[0317]
In addition, when the telephone equipment adapter makes a call via the IP network, the security is to prohibit illegal access to the boundary from the IP network area to which the telephone equipment adapter is connected and managed to the external IP network area. By investigating the existence of an HTTP port that can send and receive data to the firewall, the HTTP port that can send and receive voice data is identified, and voice data calls are made using the HTTP port. There is an effect that can.
[0318]
Further, the original compression is performed on the header portion of the packet of the voice data to be communicated. For this reason, the packet size can be made smaller than the standard packet size, and the network traffic can be reduced. In addition, since compressed audio data packets can be decompressed, compressed packet information can be received. This has the effect of reducing network traffic.
[0319]
In addition, even if there is fluctuation in the transmission time of each packet of voice data to be communicated, it is stored until it reaches a certain size at the time of reception and sent to the analog playback side, so it is stable even if the network traffic situation is unstable There is an effect that the call quality can be maintained. In addition, when digital voice data packets are transmitted to the other party's telephone via the IP network, it is necessary to create a digital voice data packet to be sent, store it in a transmission buffer whose buffer size can be changed, and send it out. The transmission buffering unit that performs processing for adding only the data to the packet assembly is provided, and an optimum transmission form of the digital voice data packet can be realized according to the network traffic situation, and the voice data can be transmitted with good quality.
[0320]
In addition, when transmitting each packet of voice data to be communicated, the packet size is reduced when the amount of network traffic is small, and the packet size is increased when the amount of network traffic is increased. Even if it is stable, it has the effect of maintaining stable call quality without affecting network traffic.
[0321]
In addition, since redundant packets can be issued when packet loss occurs frequently when sending each packet of voice data to be communicated, stable calls can be made even in situations where network traffic frequently causes packet loss. There is an effect that quality can be maintained.
[0322]
Also, when the amount of network traffic increases at the time of transmission of each voice data packet to be communicated, avoid forwarding voice data packets that do not affect call quality under conditions such as a certain volume level or lower. Therefore, there is an effect that stable call quality can be maintained even if the amount of network traffic increases.
[0323]
Also, it measures the reception timing of each packet of voice data to be communicated, estimates the network traffic status, adjusts the size of the reception buffer, adjusts the number of packet information copied by the redundant packet issuing unit, packet generation filtering unit By adjusting at least one of the conditions to reduce the number of packet information transmitted by the network, optimal communication processing can be performed according to the latest network traffic conditions, and stable calls There is an effect that quality can be maintained.
[0324]
In addition, the result of measuring the reception timing of each packet of voice data to be communicated is accumulated so that it can be referred to as data indicating the network traffic status in a cycle such as one day or one week. It is possible to control the optimum communication processing corresponding to the situation and to maintain stable call quality.
[0325]
In addition, since the firewall can access the external Internet via HTTP, the telephone device adapter can perform telephone calls and call processing via the HTTP relay server. There is an effect that it is possible to make a call via the IP network without having to make a change. Also, voice processing can be realized by temporarily storing voice data in the HTTP relay server and obtaining a call device adapter connected to another telephone that needs the voice data. There is an effect that can be done. In addition, when it is determined that the called communication device adapter is blocked by a firewall, the HTTP is always transmitted at an appropriate time interval in order to report that a call is being made to the called communication device adapter. When the call state of the call device adapter of the call destination of the telephone call information management unit in which the call state of each telephone is stored is checked by the HTTP polling unit with respect to the relay server, and when it is found that a call is made There is an effect that the telephone apparatus adapter that has been placed can make a call via the HTTP relay server by HTTP access. In addition, when it is found that the call destination adapter is blocked by a firewall, in order to report that the call is being made to the call destination adapter, the public line signal processing unit Only the telephone call information is transmitted via a temporary public line, and the called telephone device adapter makes a call via the HTTP relay server by HTTP access, and can exchange the call information via the HTTP relay server. effective.
[0326]
Further, in the HTTP relay server, after the connection negotiation process between the first communication device adapters, the HTTP connection changing unit changes the HTTP and TCP connections so that they are directly connected to both adapters. Call data transmission / reception is performed after the connection negotiation process between the first call device adapters. However, since this processing load is very heavy, the call data transmission / reception is not directly performed via the HTTP relay server. If it is performed between both telephone adapters, the processing load of the HTTP relay server is reduced, and even if many users make calls and call processing is concentrated, the processing can be continued without delay and the call quality is maintained. There is an effect that can be done.
[0327]
In addition, since transmission / reception of call data is performed directly between both call adapters without going through the HTTP relay server, the processing load of the HTTP relay server is reduced, so that many users can call Even if the call processing is concentrated by applying, the processing can be continued without delay, and the call quality can be maintained.
[0328]
Call data transmission / reception is a process on the HTTP relay server, in which the IP address of the IP header part and the port number of the TCP header in the packet of voice data are directly set to the IP address and port number of the telephone device adapter of the final destination Since the processing load of the HTTP relay server is reduced by conversion, even if many users call and the call processing is concentrated, the processing can be continued without delay and the call quality can be maintained. There is.
[0329]
Also, even if efficient communication processing is performed in the HTTP relay server, if the number of users increases and the number of telephone device adapters requesting call processing increases, there is a limit in processing performance in one HTTP relay server. Someday it will fail. Therefore, a plurality of HTTP relay servers are prepared, an HTTP relay server management server that integrates and manages the plurality of HTTP relay servers, an HTTP relay server with a small number of users currently available is determined, and candidates used in the call processing Specify the HTTP relay server. By distributing the call processing of each call device adapter to the plurality of HTTP relay servers, there is an effect that each user can maintain a comfortable call state.
[0330]
Further, the name of the call device adapter is used as an identifier of the call device adapter that is known in advance between the call device adapters that transmit and receive call information. Therefore, the telephone device adapter can be used in a network form in which the IP address is not fixed and is dynamically given. The case where the IP address is dynamically assigned is when the IP address is taught by the DHCP server, or when the telephone device adapter makes a dial-up connection to the Internet service provider (ISP) and the IP address is assigned at the time of connection. In some cases, there is an effect that the connection negotiation process with the communication partner of the communication device adapter can be realized even if the fixed IP address is not assigned in this way.
[0331]
In addition, it is possible to use an Internet telephone by making a dial-up connection to an Internet service provider (ISP) when necessary, instead of a network environment that is always connected to an IP network. In other words, there is an effect that the Internet telephone can be used by dial-up connection which can be performed relatively easily in a general home without requiring the user to set up or contract for the always-on connection form.
[0332]
In addition to the network environment that is always connected to the IP network, dial-up connection is made to an Internet service provider (ISP) at a necessary time. A terminal that is widely used for personal computers as a device for performing this dial-up connection. Use an adapter. This terminal adapter incorporates a device such as a modem for communicating with a public line or ISDN. By providing a communication device adapter with an RS232C serial port processing device that can be easily implemented from these devices, it is possible to reduce the implementation cost of the communication device adapter by leaving a relatively expensive device to the terminal adapter side. There is.
[0333]
In addition, even when both parties who are making a call using the call device end the call and place the handset of the call device, the call device adapter holds the connection of the public line, so it transmits and receives IP address information. There is an effect that can be.
[0334]
In addition, when a call is made using a call device, the side that ends the call and sends the call information hangs up to the other party that sent the call information after a predetermined time has passed after placing the handset A tone signal is transmitted to inform the user. For this reason, since the telephone apparatus adapter holds the connection of the public line in a state where the call of the caller is completely finished and both handsets are placed, there is an effect that the IP address information can be reliably transmitted and received. is there.
[0335]
In addition, since the other party transmitting the call information generates a voice to notify the end of the call, such as a busy tone, the other party's caller transmitting the call information can reliably know the end of the call. There is an effect that can be put.
[0336]
In addition, when trying to use the communication device while IP address information is being transmitted / received, voice such as a busy tone can be heard from the handset, so that the communication device cannot be used during transmission / reception of IP address information. There is.
[0337]
In addition, when trying to use the telephone device during transmission / reception of IP address information, input of identification information of the other party to whom the call is made is accepted, and when transmission / reception of IP address information is completed, connection is made to the received identification information Process to perform. Also, the IP address information transmission / reception process is not a process that takes many minutes. Therefore, a user who wants to make a call can use the call device without waiting, and the convenience can be improved.
[0338]
Further, the determination of the end of input of identification information is made when nothing is input even after a predetermined time has elapsed. For this reason, the user who makes a call can omit inputting the information for determining the end of the input of the identification information, and the convenience can be improved.
[0339]
In addition, the end of the input of identification information is determined by inputting specific information. For this reason, it is possible to reliably determine the end of the input, and it is possible to input the identification information accurately.
[0340]
Further, it is determined that the input of identification information is finished by specifying the size of the identification information input by the carrier information and comparing the size of the specified identification information with the size of the input identification information. I made it. For this reason, the user who makes a call can input the identification number by the same method as the conventional one and can surely end the input of the identification information, so that the convenience can be improved.
[0341]
In addition, after the input of the identification information has been completed, the address conversion process is performed by the address conversion unit. For this reason, the IP address information that can be acquired is accurate information, and has the effect of increasing the reliability of the Internet telephone network system.
[0342]
In addition, every time one character of identification information is input, candidates are narrowed down by the address conversion unit. For this reason, there is an effect that the process of converting the identification information into the IP address can be performed at high speed.
[0343]
If the number of candidates becomes one while narrowing down candidates, the processing by the address conversion unit is terminated. For this reason, there is an effect that the process of converting the identification information into the IP address can be performed at high speed.
[0344]
When the character information constituting the input identification information exceeds a predetermined number, the address conversion unit converts the character information into IP address information based on the character information. For this reason, since it converts into an IP address, without waiting for completion | finish of the input of all the identification information, there exists an effect which can perform a process at high speed.
[0345]
In addition, the learning process by the IP address learning unit is performed on both the side that made the call and the side that made the call. For this reason, it is possible to provide a highly convenient Internet telephone network system that can be learned without being aware of the other party's identification information and IP address information just by making a call.
[0346]
Also, when a call is made, the learning process by the IP address learning unit can be prevented from being performed. For this reason, for example, when the calling party makes a call for sales purposes, the other party's identification information and IP address can be prevented from being registered. There is an effect that can be done.
[0347]
In addition, when making a call, it is possible to prevent the caller side from performing the learning process by the IP address learning unit of the other party's call device adapter. For this reason, it is possible to prevent the other party from performing the learning process for the convenience of the caller, so that an Internet telephone network system that is highly convenient for the user can be provided.
[0348]
In addition, users can delete information registered in the address translation table. For this reason, there is an effect that the storage area of the address conversion table can be effectively used.
[0349]
Also, when the control information is corrected by mistake, the user is notified that the telephone device adapter cannot operate normally. Since the user who has received the notification can immediately correct the control information, an Internet telephone network system that is highly convenient for the user can be provided.
[0350]
In addition, the user is notified that a call cannot be made due to a defective line. For this reason, there is an effect that the user can immediately know the state where the telephone call cannot be made.
[0351]
In addition, when the telephone device becomes unusable from the unusable state, the user is notified that it can be used. For this reason, the user can immediately know that it has become available, and there is an effect that it is possible to provide an Internet telephone network system that is highly convenient for the user.
[0352]
Also, if a connection request is made by a third party while a call is being made using either a public line call, a call based on RTP communication processing, or a call based on HTTP communication processing, a talk will be given to the third party. The state of inside was notified. Therefore, there is an effect that it is possible to provide an Internet telephone network system that is highly convenient for the user.
[0353]
In addition, the relay server gives session information, for example, a session ID, to the call action. Then, the session information is included in the packet information for transmitting the call information and transmitted. For this reason, there is an effect that the relay device can manage the contents of the call using the session information in the packet information.
[0354]
Further, the relay server manages the call contents using the session information. For this reason, the relay server can perform, for example, billing work based on the managed call content, and has an effect of being able to use the Internet telephone network system in various ways.
[0355]
Further, the telephone device adapter performs HTTP access to the relay device using at least one of the methods GET, PUT, and POST. For this reason, there is an effect that it is possible to perform access assuming that the relay server is a Web server.
[0356]
In addition, the relay server returns the call information in the response message for the request using the method. For this reason, the call device adapter has an effect of receiving call information from the relay server by HTTP access in which the relay server is regarded as a Web server.
[0357]
Also, when the call information is received by accessing the relay server from the call device adapter, a method for receiving call information having a size sufficiently larger than the actual call information is issued. For this reason, there is an effect that call information can be repeatedly received every time a call is made and call information is generated.
[0358]
Further, the connection between the telephone device adapter and the relay server is continued even after the transmission of the message for requesting the call information and the reception of the message responding to the request are completed. For this reason, it is possible to save processing time required for connection between the call device adapter and the relay server, and to transmit and receive call information in real time.
[0359]
In addition, the connection between the telephone device adapter once connected and the relay server may be disconnected unintentionally. In this case, since the connection is made again, there is an effect that the user can receive the call information from the relay device without being aware of the disconnection.
[0360]
In addition, when there is no response from the relay server even after a predetermined time has elapsed, the connection is made after disconnecting once. For this reason, the user can receive the call information from the relay device without being aware of the state of the relay server.
[0361]
In addition, identification information is notified to the communication device management device connected to the communication device adapter. For this reason, there is an effect that the call device management device can specify a predetermined call device from a plurality of managed call devices.
[0362]
In addition, the call device adapter that is making a call via the public line notifies the call device having the number display function of the identification information. For this reason, the call device having the number display function has an effect of confirming the identification information of the call partner.
[0363]
Even when a call is made via the IP network, the call device adapter notifies the call device having a number display function of identification information. For this reason, even if a call is made via the IP network, there is an effect that the identification information of the other party can be confirmed.
[0364]
Further, non-notification information for instructing not to display a number is included in the identification information. For this reason, when the non-notification information can be confirmed in the identification information, the calling device adapter can not notify the identification information to the other party of the call, and there is an effect that the convenience for the user can be improved.
[Brief description of the drawings]
FIG. 1 is a network configuration diagram of an Internet telephone network system according to a first embodiment.
FIG. 2 is an overview image diagram of the communication device adapter according to the first embodiment.
FIG. 3 is a configuration diagram of each unit of the communication device adapter according to the first embodiment.
FIG. 4 is a flowchart of an operation process of the communication device adapter according to the first embodiment.
FIG. 5 is a flowchart of operation processing performed by the communication device adapter according to the first embodiment.
FIG. 6 is an operation processing flowchart of the communication device adapter according to the first embodiment.
FIG. 7 is an operational process flowchart of the telephone device adapter according to the first embodiment.
FIG. 8 is a diagram illustrating a learning function provided in the telephone device adapter according to the second embodiment.
FIG. 9 is a configuration diagram of each unit of the communication device adapter according to the second embodiment.
FIG. 10 is an operational process flowchart of the communication device adapter according to the second embodiment.
FIG. 11 is a flowchart of operation processing performed by the communication device adapter according to the second embodiment.
FIG. 12 is a configuration diagram of each unit of the communication device adapter according to the third embodiment.
FIG. 13 is a network configuration diagram of an Internet telephone network system using the telephone device adapter according to the third embodiment.
FIG. 14 is an operation processing flowchart of the communication device adapter according to the third embodiment.
FIG. 15 is a diagram illustrating an example of permission information stored in a permission information storage unit according to the third embodiment;
FIG. 16 is a configuration diagram of each unit of the communication device adapter according to the fourth embodiment.
FIG. 17 is a network configuration diagram of an Internet telephone network system including a firewall according to the fifth embodiment.
FIG. 18 is a configuration diagram of IP network communication processing means according to the fifth embodiment.
FIG. 19 is an operational process flowchart of the communication device adapter according to the fifth embodiment.
FIG. 20 is a flowchart of operation processing performed by the communication device adapter according to the fifth embodiment.
FIG. 21 is an operational process flowchart of the communication device adapter according to the fifth embodiment.
FIG. 22 shows a structure of a packet of audio data according to the fifth embodiment.
FIG. 23 is a block diagram of IP network communication processing means of the sixth embodiment.
FIG. 24 is a configuration diagram of IP network communication processing means according to the seventh embodiment.
FIG. 25 is a configuration diagram of IP network communication processing means according to the seventh embodiment.
FIG. 26 is a network configuration diagram of an Internet telephone network system including a firewall, an HTTP relay server, and a communication device adapter according to an eighth embodiment.
FIG. 27 is a configuration diagram of each unit of the HTTP relay server according to the eighth embodiment.
FIG. 28 is a configuration diagram of IP network communication processing means according to the eighth embodiment.
FIG. 29 is a configuration diagram of each unit of the HTTP relay server management server and the HTTP relay server according to the eighth embodiment.
FIG. 30 is a configuration diagram of each means of an HTTP relay server management server and an HTTP relay server according to the eighth embodiment.
FIGS. 31A, 31B, and 31C are diagrams for explaining an HTTP relay server arrangement method executed for exceeding a firewall according to the eighth embodiment; FIGS.
FIG. 32 is a flowchart of an operation process performed by the communication device adapter using the HTTP relay server according to the eighth embodiment.
FIG. 33 is an operation processing flowchart of the telephone device adapter using the HTTP relay server according to the eighth embodiment.
FIG. 34 is an operational processing flowchart of the HTTP relay server according to the eighth embodiment.
FIG. 35 is a configuration diagram of each unit of the communication device adapter according to the ninth embodiment.
FIG. 36 is a configuration diagram of each unit of the communication device adapter according to the tenth embodiment.
FIG. 37 is a configuration diagram of each unit of the communication device adapter according to the eleventh embodiment.
FIG. 38 is a diagram showing a schematic configuration in which a phone call is made using a call device and a call device adapter in both two users according to the fourteenth embodiment.
FIG. 39 is a diagram showing an example of a sequence for performing transmission / reception of IP address information according to the fourteenth embodiment;
FIG. 40 is a diagram illustrating an example of identification numbers for each communication carrier according to the fifteenth embodiment.
FIG. 41 is a diagram showing a usage form of a plurality of telephone lines by the general telephone apparatus management apparatus according to the sixteenth embodiment.
FIG. 42 is a diagram showing a usage form of a plurality of telephone lines by the telephone apparatus management apparatus to which the telephone apparatus adapter according to the sixteenth embodiment is connected.
FIG. 43 is a diagram showing a pattern when a call is made from a third party in the call processing in which the three systems of the public line, UDP, and HTTP according to the twentieth embodiment coexist.
FIG. 44 is a configuration diagram of a conventional Internet telephone adapter device.
[Explanation of symbols]
10, 20, 30 Telephone, 10a to 10d Telephone device, 11, 21, 31 Indoor telephone line, 12, 22, 32 Telephone device adapter, 13 Public line, 13a Public line (ISDN), 14, 24, 34 IP network, 15, 25, 35 Router, 16 Internet / Intranet, 17, 27 Firewall, 18, 18a, 18b HTTP relay server, 19 IP network, 33 Serial port, 50 Voice data, 51 IP header, 52 UDP header, 53 RTP header , 100 line connection switching means, 170 power cord, 180 HTTP relay server management server, 190 PBX, 191 LED display unit, 192 exchange, 200 connection destination determination means, 300 telephone number IP address conversion means, 302 address conversion table, 400 IP A Less learning means, 420 IP address information message transmission / reception means, 500 voice data digital / analog conversion means, 600 voice data analog / digital conversion means, 700 voice data mixing means, 800 telephone conference identification number management means, 850 simultaneous call management section, 855 Permission Information storage unit, 900 telephone identification number management means, 1000 telephone conference participant password management means, 1100 public line signal transmission / reception means, 1110 telephone line I / F control circuit, 1200 IP network data read / write means, 1300 telephone input data write means 1400 Setting information storage unit, 5000 IP network communication processing means, 5001 Public line communication processing means, 5002 Serial port communication processing means, 5100 UDP communication processing means, 5200 UDP port use pipe Means, 5300 UDP port communication confirmation means, 5400 RTP communication processing means, 5500 voice data packet encoding means, 5600 voice data packet decoding means, 5700 TCP communication processing means, 5800 HTTP communication processing means, 5900 HTTP port communication confirmation means, 6100 reception Buffering means, 6101 Reception buffer, 6200 Transmission buffering means, 6201 Transmission buffer, 6300 Redundant packet issuing means, 6400 Packet generation filtering means, 6500 Network traffic monitoring means, 6600 Network traffic statistical data management means, 7100 HTTP polling means, 7200 Telephone call communication means, 7300 HTTP telephone call, 8100 voice data buffering means, 8200 telephone Call information management means, 8300 HTTP connection change means, 8400 TCP / IP packet header conversion means, 9100 HTTP relay server load state monitoring means, 9200 HTTP relay server designation means.

Claims (26)

Call device adapter that inputs call information from a call device, selects one of an IP (Internet Protocol) network and a public line for communicating analog data, and outputs the call information to the selected route Because
The above call information is packet information,
The telephone equipment adapter includes a UDP communication processing unit that performs a user datagram protocol (hereinafter referred to as UDP) communication process on the packet information;
An HTTP communication processing unit that performs communication processing of Hyper Text Transfer Protocol (hereinafter referred to as HTTP) on the packet information;
The telephone device adapter is first attempted communication processing by the UDP communication processing unit, when communication is not possible processed by the UDP communication processing unit, the communication device adapter and performs communication processing by the HTTP communication processing unit. Call device adapter that inputs call information from a call device, selects one of an IP (Internet Protocol) network and a public line for communicating analog data, and outputs the call information to the selected route Because
A digital audio data obtained by digitizing call information is input, a transmission buffer for temporarily storing the input digital audio data is provided, predetermined digital audio data is extracted from the transmission buffer, and the digital audio data is A transmission buffering unit that generates, as packet information, a header unit that stores address information of a destination to be transmitted and a data unit that stores the digital audio data;
An audio data packet encoding unit that inputs the packet information from the transmission buffering unit and compresses at least one of the information stored in the header portion of the input packet information and the information stored in the data portion; ,
The packet information having the information compressed by the voice data packet encoding unit is received through the IP network, the compressed information of the packet information is decompressed, and the header portion is extracted from the decompressed packet information. An audio data packet decoding unit for taking out and analyzing;
The audio data packet decoding unit inputs the packet information that has been decompressed, and has a reception buffer that temporarily stores the input packet information that has been decompressed. A reception buffering unit for outputting the packet information after decompression ;
A network traffic monitoring unit that monitors the traffic status of the packet information received by the voice data packet decoding unit and instructs the reception buffering unit to change the size of the reception buffer based on the monitored result;
A network traffic statistical data management unit for accumulating monitoring results monitored by the network traffic monitoring unit and calculating statistical data of traffic conditions in each time period based on the accumulated monitoring results;
With
The network traffic statistical data management unit notifies the network traffic monitoring unit of statistical data of the calculated traffic situation in each time zone,
The network traffic monitoring unit is configured to change the size of the reception buffer in each time zone based on the traffic status statistical data notified by the network traffic statistical data management unit in each time zone. Instruct
A communication device adapter. The telephone equipment adapter further includes a redundant packet issuing unit that duplicates the packet information received by the voice data packet decoding unit,
The network traffic monitoring unit determines the number of times the redundant packet issuing unit replicates the packet information in each time zone based on the traffic status statistical data notified by the network traffic statistical data management unit. The communication device adapter according to claim 2 , wherein the communication device adapter is instructed. The telephone equipment adapter further includes packet generation filtering for reducing the packet information,
The network traffic monitoring unit instructs a condition for reducing the packet information in each time zone for the packet generation filtering based on the traffic status statistical data notified by the network traffic statistical data management unit. The communication device adapter according to claim 3, wherein An Internet telephone network system that communicates call information between a plurality of internal networks blocked from an external network by a firewall via an external network that is an IP (Internet Protocol) network,
A relay server that is provided in the external network and can transmit and receive data to and from the internal network via a firewall, stores call information, receives inquiry information related to call information, and outputs the stored call information according to the inquiry information When,
A communication device adapter provided in an internal network for inputting call information and communicating, and when the call information input from the internal network is notified to the call device adapter of another internal network, the input call information is transmitted to the relay server. If the call information notified by the call adapter of another internal network is acquired, the inquiry information is transmitted to the relay server to acquire the call information, so that different internals blocked by the firewall are obtained. An internet telephone network system, comprising: a communication device adapter for communicating call information between networks. In an Internet telephone network system using an IP (Internet Protocol) network for communicating digital data and a public line for communicating analog data,
A call device adapter that inputs call information, selects either one of an IP network and a public line, and outputs the call information to the selected route;
The communication device adapter is managed and transmitted from an access according to a Hyper Text Transfer Protocol (hereinafter referred to as HTTP) communication protocol provided from the predetermined communication device adapter to another communication device adapter. The call information is received on behalf of the other call device adapter, the received call information is stored, and the stored call information is read by the same HTTP access as the access according to the HTTP communication protocol by a predetermined call device adapter. And managing the status of the communication device adapter managed by the relay server, receiving inquiry information for inquiring about the status of another communication device adapter from a predetermined communication device adapter, and according to the inquiry information, the other communication device adapter. Check the status of the descriptor, the result of confirming a relay server to be notified to the predetermined communication device adapter,
The call information received by the relay server is packet information having a header portion for storing address information of a destination to which the call information is transmitted and a data portion for storing the call information.
The relay server
An HTTP communication processing unit for performing HTTP communication processing on the received packet information;
The telephone equipment adapter managed by the relay server is
An HTTP telephone calling unit that transmits the packet information to the relay server by the HTTP access when a communication device adapter of a destination to which the packet information is transmitted is blocked by a firewall ;
Before transmitting the packet information via the IP network to the other party's telephone device adapter that transmits the packet information, at least one of e-mail and instant message is to be transmitted. A telephone call communication unit to notify using
Internet telephone network system comprising the. In an Internet telephone network system using an IP (Internet Protocol) network for communicating digital data and a public line for communicating analog data,
A call device adapter that inputs call information, selects either one of an IP network and a public line, and outputs the call information to the selected route;
The communication device adapter is managed and transmitted from an access according to a Hyper Text Transfer Protocol (hereinafter referred to as HTTP) communication protocol provided from the predetermined communication device adapter to another communication device adapter. The call information is received on behalf of the other call device adapter, the received call information is stored, and the stored call information is read by the same HTTP access as the access according to the HTTP communication protocol by a predetermined call device adapter. And managing the status of the communication device adapter managed by the relay server, receiving inquiry information for inquiring about the status of another communication device adapter from a predetermined communication device adapter, and according to the inquiry information, the other communication device adapter. Check the status of the descriptor, the result of confirming a relay server to be notified to the predetermined communication device adapter,
The call information received by the relay server is packet information having a header portion for storing address information of a destination to which the call information is transmitted and a data portion for storing the call information.
The relay server
An HTTP communication processing unit for performing HTTP communication processing on the received packet information;
The telephone equipment adapter managed by the relay server is
An HTTP telephone call unit that transmits the packet information to the relay server by the HTTP access when a communication device adapter of the other party that transmits the packet information is blocked by a firewall ; An Internet telephone characterized in that, before transmitting the packet information via the public line, the telephone apparatus adapter of the other end of transmission is notified that the packet information will be transmitted from now on. Network system. In an Internet telephone network system using an IP (Internet Protocol) network for communicating digital data and a public line for communicating analog data,
A call device adapter that inputs call information, selects either one of an IP network and a public line, and outputs the call information to the selected route;
The communication device adapter is managed and transmitted from the communication device adapter of the Hyper Text Transfer Protocol (hereinafter referred to as HTTP) to another communication device adapter by access according to the HTTP communication protocol. The call information is received on behalf of the other call device adapter, the received call information is stored, and the stored call information is stored by the same HTTP access as the access according to the HTTP communication protocol by the predetermined call device adapter. , Manages the status of the communication device adapter managed by the relay server, receives inquiry information for inquiring the status of another communication device adapter from a predetermined communication device adapter, and receives the other communication according to the inquiry information. Check the status of the device adapter, the result of confirming a relay server to be notified to the predetermined communication device adapter,
The call information received by the relay server is packet information having a header portion for storing address information of a destination to which the call information is transmitted and a data portion for storing the call information.
The relay server
An HTTP communication processing unit for performing HTTP communication processing on the received packet information;
The telephone apparatus adapter managed by the relay server transmits a message of at least one method of GET, POST, and PUT to the packet information toward the relay server by the HTTP access. Internet telephone network system. The HTTP communication processing unit of the relay server stores the call information in a response message to the HTTP access by the call device adapter, and transmits the message to the call device adapter.
Communication device adapter that is managed by the relay server, according to claim, characterized in that retrieving the call information by receiving the response message transmitted from the relay server, are stored in the response message received 8 The Internet telephone network system described. The call information has a predetermined first size,
The call device adapter managed by the relay server acquires call information having a second size larger than the first size in order to acquire call information having the first size from the relay server. A message of a GET method is stored in the packet information, transmitted to the relay server by the HTTP access, and a response message transmitted from the relay server to the HTTP access is received. The Internet telephone network system according to claim 9 . The call device adapter managed by the relay server until the total size of the call information having the first size stored in the response message transmitted from the relay server exceeds the second size, 11. The Internet telephone network system according to claim 10 , wherein the connection with the relay server is continued and one or more response messages are received. When the communication device adapter managed by the relay server is disconnected at any one of timings during communication with the HTTP communication processing unit of the relay server and immediately after performing communication The Internet telephone network system according to any one of claims 8 to 11 , wherein connection is made again and communication is continued. The telephone device adapter managed by the relay server passes a predetermined time at any one of timings during communication with the HTTP communication processing unit of the relay server and immediately after communication. even if there is no response from the relay server, disconnects between the relay server, then make the connection again, claim 8-11, wherein any one, characterized in that continuously performed communication Internet telephone network system. Call device adapter that inputs call information from a call device, selects one of an IP (Internet Protocol) network and a public line for communicating analog data, and outputs the call information to the selected route Because
Connected to a call device that outputs at least call information, inputs the call information output from the call device, and either one of the call information transmitting side and the other party transmitting the call information makes a call The call information is sent to the other party that sends the call information while maintaining the connection of the public line after a time predicted to end the call on the side that is continuing the call after the call is finished. The address information corresponding to the identification information of the call device on the transmitting side is transmitted via the public line, and the transmitting information transmitting side and the other party transmitting the calling information during the transmission When at least one of the communication device attempts to send call information to a predetermined call device, the call device that tries to send call information to the predetermined call device is at least busy busy. Communication device adapter according to claim <br/> thereby transmitting a signal. Call device adapter that inputs call information from a call device, selects one of an IP (Internet Protocol) network and a public line for communicating analog data, and outputs the call information to the selected route Because
Connected to a call device that outputs at least call information, inputs the call information output from the call device, and either one of the call information transmitting side and the other party transmitting the call information makes a call The call information is sent to the other party that sends the call information while maintaining the connection of the public line after a time predicted to end the call on the side that is continuing the call after the call is finished. The address information corresponding to the identification information of the communication device on the transmitting side is transmitted via the public line, and the transmitting side transmits the address information and the other party that transmits the address information during the transmission. When at least one of the communication information is intended to transmit call information to a predetermined call device, a process of transmitting address information corresponding to the identification information of the call device is performed. Communication device adapter according to claim <br/> be performed with priority over processing of transmitting the call information to the location. Connected to a call device that outputs call information including identification information for identifying a transmission destination, inputs the call information output from the call device, and routes either one of the IP network and the public line. A call device adapter for selecting and outputting the call information to the selected route,
The identification information includes at least communication carrier information for identifying a communication carrier, and the number of characters of the identification information is specified by the communication carrier information,
The call device adapter determines the number of characters of the identification information based on the carrier information of the identification information, sequentially inputs characters constituting the identification information, and counts the number of characters of the identification information according to the input. A call device adapter, wherein the number of characters counted is compared with the determined number of characters, and it is determined that the input of the identification information is completed when the counted number of characters matches the determined number of characters. Call device adapter that inputs call information from a call device, selects one of an IP (Internet Protocol) network and a public line for communicating analog data, and outputs the call information to the selected route Because
A public line signal processing unit that sequentially inputs characters constituting the identification information from the communication device, and sequentially outputs characters constituting the identification information in response to the input, with respect to identification information for identifying the transmission destination with a specific number of characters ,
An IP network communication processing unit for specifying address information for identifying a destination to which the call information is transmitted and transmitting the call information to the IP network;
An address conversion table for storing the address information and the identification information in association with each other;
The characters constituting the identification information sequentially output by the public line signal processing unit are sequentially input, and the input characters and the characters constituting the identification information stored in the address conversion table are sequentially compared and input. Even if the address information is a candidate address information where the characters and the characters constituting the identification information stored in the address conversion table match, and the number of input characters is less than the specific number of characters, the address information when the candidate becomes one, and the address conversion unit identification information address information candidates become said one by adopting as the address information is converted into the address information,
A telephone device adapter comprising: a line connection switching unit that selects one of the IP network communication processing unit and the public line and outputs the call information to the selected one. Call device adapter that inputs call information from a call device, selects one of an IP (Internet Protocol) network and a public line for communicating analog data, and outputs the call information to the selected route Because
The communication device adapter is
A public line signal processing unit for inputting the call information output from the call device;
An IP network communication processing unit for performing at least one of transmission and reception of the call information via the IP network and inputting control information for controlling the call device adapter as the call information via the IP network When,
A control information storage unit for storing control information for controlling the communication device adapter,
When one of the IP network communication processing unit and the public line signal processing unit controls the communication device adapter according to the control information stored in the control information storage unit, an error occurs as a result. A call device adapter, wherein a warning is sent to any one of an IP network, the call device, and the public line. Call device adapter that inputs call information from a call device, selects one of an IP (Internet Protocol) network and a public line for communicating analog data, and outputs the call information to the selected route Because
The communication device adapter is
A public line signal processing unit for inputting the call information output from the call device;
An IP network communication processing unit for performing at least one of transmission and reception of the call information via the IP network and inputting control information for controlling the call device adapter as the call information via the IP network When,
A control information storage unit for storing control information for controlling the communication device adapter,
Either the IP network communication processing unit or the public line signal processing unit detects that a failure has occurred in either the IP network or the public line and a call cannot be made. A call device adapter that notifies a warning to any one of the IP network, the call device, and the public line. One of the IP network communication processing unit and the public line signal processing unit is provided for any one of the IP network, the call device, and the public line when the failure is recovered. The communication device adapter according to claim 18 or 19 , wherein a failure recovery is notified in response to the notification notified. Call device adapter that inputs call information from a call device, selects one of an IP (Internet Protocol) network and a public line for communicating analog data, and outputs the call information to the selected route Because
The above call information is packet information,
The telephone equipment adapter includes a UDP communication processing unit that performs a communication process of User Datagram Protocol (hereinafter referred to as UDP) for the packet information;
A TCP communication processing unit for performing transmission control protocol (hereinafter referred to as TCP) communication processing on the packet information,
The communication device adapter is characterized in that first, communication processing is attempted by the UDP communication processing unit, and communication processing is performed by the TCP communication processing unit when communication processing cannot be performed by the UDP communication processing unit. A call device that inputs call information from a call device, selects either one of an IP (Internet Protocol) network and a public line for communicating analog data, and outputs the call information to the selected route . A call processing method,
The above call information is packet information,
When a communication process of User Datagram Protocol (hereinafter referred to as UDP) is attempted with respect to the packet information and the communication process cannot be performed by UDP, a communication process of Transmission Control Protocol (hereinafter referred to as TCP) with respect to the packet information. A call processing method characterized by: A program causing a computer to execute the call processing method according to claim 22. A UDP communication processing unit which inputs communication information and performs communication processing of User Datagram Protocol (hereinafter referred to as UDP);
A TCP communication processing unit that inputs communication information and performs communication processing of Transmission Control Protocol (hereinafter referred to as TCP) ;
First attempts communication processing by the UDP communication processing unit, when communication is not possible processed by the UDP communication processing unit, the call device and performs communication processing by the TCP communication processing unit.   Enter call information,
  Attempt communication processing of User Datagram Protocol (hereinafter referred to as UDP) for call information,
  When communication processing cannot be performed by UDP, transmission processing protocol (hereinafter referred to as TCP) communication processing is performed on the call information.
A call processing method characterized by the above. A program causing a computer to execute the call processing method according to claim 25.

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