JP2003264644A - Telephone system using internet - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To solve a problem that a conventional telephone system using the Internet performs a speech by using a personal computer installed with dedicated software or VOIP technology and a dedicated telephone set but a procedure for calling a party is complicated or it is necessary to perform a connection by inputting a telephone number of an IP address different from the telephone of a public line, the combination of networks is limited as well and a connection to the telephone of the public line is difficult. <P>SOLUTION: A VOIP server connected to an Internet circuit network via an adapter for connecting the telephone set with switching to a public telephone line and the Internet circuit network in accordance with an identification signal and having a gatekeeper function having data pairing a telephone number specifying the adapter and the IP address corresponding thereto in the Internet circuit network is provided to perform the speech with the telephone set connected to the Internet via the adapter. Thus, the problem of a conventional Internet telephone is solved. <P>COPYRIGHT: (C)2003,JPO

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a telephone system using the Internet, in which a telephone of a public line is connected to a terminal connected through an Internet provider to make a call. The telephone system using the Internet of the present invention uses the telephone number given to the telephone and the IP address of the Internet corresponding to the telephone number without using a public telephone line between the telephones connected to the Internet provider. Make calls,
In addition, it is possible to make a direct call to a telephone of a public line, thereby improving usability and versatility.

[0002]

2. Description of the Related Art Telephone systems using the Internet are rapidly becoming widespread because communication costs are reduced by using the Internet network as telephone lines, and various systems have been proposed and put into practical use. . In the telephone system using the Internet, IP (I
It uses VOLP (Volume over IP) technology, which transmits data using Internet protocol), divides voice into small blocks of data, and selects and transmits these blocks on a free line, like a conventional telephone. , Since the line is not occupied until the communication between terminals is completed during a call, multiple calls can be made on one line, and the communication efficiency is good and the price can be kept low.

[0003] In this telephone system using the Internet, a method in which a personal computer containing dedicated software is used for communication via the Internet network, and a telephone for exclusive use of the Internet is used for communication using a dedicated line for IP There is a method. As shown in Fig. 7 (a), the method of using a personal computer is to install an earphone microphone and dedicated software on the LAN terminal of the Internet modem (router) such as a terminal adapter (TA) or ADSL (asymmetric digital subscriber line) modem. It is a connected personal computer. This method allows you to make free calls between PCs connected to the Internet. Dedicated software and earphone microphone are required,
There is an initial cost, basic monthly fee, and the cost of purchasing and renting a dedicated TA, and it is necessary to keep the power of the PC on all the time because calls are made through the PC. 2. My current telephone cannot be used, and I cannot switch between calls with the telephone on the ordinary line. 3. You need to get a global IP to identify your computer. There is a problem such as.

[0004] Further, as shown in FIG. 7 (b), a method of performing communication using a dedicated line for IP using a dedicated telephone is as follows.
Internet-only phone via VOIP adapter and PC, terminal adapter (TA) or AD
This is a method of connecting to the LAN terminal of an SL modem and connecting to the Internet line via a terminal adapter (TA) or ADSL modem. Since this method does not need to be aware that the user is an Internet telephone, it is widely used by people who are not able to put their hands on the PC or the Internet. This type of Internet phone uses an NTT line from the home telephone to the nearest exchange, and connects the line with a dedicated Internet network. Therefore, NTT line usage departments occur at both ends, resulting in call charges. Bounce back to. 2. I am using a telephone, but I am using a terminal adapter (T
A), ADSL, CATV, etc. can be used only in a connected dedicated line, and thus lack versatility. 3. In order to use the Internet telephone, it is necessary for each other to subscribe to the service of the same Internet provider. There are restrictions such as.

[0005]

A conventional telephone system using the Internet uses a personal computer with dedicated software or VOIP technology to make a call using a dedicated telephone, but the calling procedure of the other party is complicated. It was necessary to connect by entering a telephone number or IP address different from that of a public line telephone. In addition, the number of combinations of networks that can make and receive telephone calls is limited, and there are problems such as difficulty in connecting to public telephone lines. Telephone costs can be reduced, but the versatility is poor and it is easy to use. There is no system. For this reason, it is required to realize a versatile telephone system that is easy to use and uses the Internet.

[0006]

According to the present invention, a telephone is connected to a public telephone line and an internet circuit through a VOIP adapter and an internet modem for switching connection according to an identification signal to connect to the internet circuit. It has registration data that is paired with a telephone number that identifies the VOIP adapter and the corresponding Internet IP address, and has a gatekeeper function that manages the registration data of the telephone number and IP address. By providing a VOIP server, accessing the VOIP server from the telephone through the VOIP adapter and the Internet network, and specifying the telephone number of the connection destination, the I
It is configured to connect to the telephone set with the P address, and the telephone connected to the telephone connected to the Internet provider via the VOIP adapter can be used without using the public telephone line, and can also be connected via the VOIP adapter. By making it possible to talk with a telephone connected to a public telephone line, the problem of the conventional Internet telephone is solved. In the internet telephone system configured as described above, the telephones connected to each internet in advance use the telephone numbers assigned to the telephones connected to other internets so that the telephones connected to the internet can access the internet. Calling to the connected telephone and the telephone connected to the public telephone line can be easily realized.

[0007]

1 is an explanatory diagram showing a configuration example of an embodiment of an internet telephone system of the present invention.
In FIG. 1, reference numerals 10, 11, 12, and 13 are telephones used for public lines. Reference numerals 20, 21, 22, and 23 are VOIP adapters for arbitrarily switching and connecting a public line telephone to a public line and an Internet circuit. VO
The IP adapters 20, 21, 22, and 23 have analog terminals to which a telephone is connected, digital terminals to which a personal computer or the like is connected, an Internet network interface, and a public telephone analog telephone interface, and are sent from the telephone. A computer equipped with a selective connection function for connecting the telephone to the Internet or a public line according to the identification signal and a VOIP-compatible voice processing function for performing voice processing for connecting to the Internet It consists of software.

[0008] Reference numeral 30 denotes an internet modem and a router for connecting between the telephone adapter and the internet service provider. Internet modem 30
For this purpose, it is desirable to use a connection that is always connected, such as a connection using an ISDN line using a terminal adapter or an ISDN router, a connection using an ADSL modem or an ADSL router, and a connection using a cable modem for CATV. Three
1 is a terminal adapter (Terminal Ad
apter). The terminal adapter 31 is usually composed of two B channels of 64 kbit / sec and a D channel of a control channel, and by connecting to a computer, ISDN (Integrated Serve).
ces Digital Network) to connect a terminal connected thereto to a public line analog telephone and an Internet provider. 32 is A
It is a DSL (Asymmetric DSL) modem. An ADSL modem is a high-speed digital communication system using a telephone copper cable (subscriber line) to connect a terminal connected thereto using an ADSL line to a public line analog telephone and an Internet provider. 33 is CA
It is a TV modem. A cable modem for CATV is a method of connecting to a cable TV broadcasting network and connecting to the Internet by utilizing a gap in the band of the CATV network, and is usually connected to a CATV station by an optical cable.
The TV program transmitted from the station is being received, but the broadband property of the optical cable is used to connect to the Internet.

[0009] FIG. 2 shows a specific example of a case where a VOIP adapter is connected to an Internet circuit network via a terminal adapter (ISDN router). Figure 2
In FIG. 2, the same parts as those in FIG. In FIG. 2, AN is a telephone of the VOIP adapter 20, an analog terminal to which a fax or the like is connected,
DG is a digital terminal to which a personal computer or the like is connected. T
EL is a public line analog telephone interface of the VOIP adapter 20, and LAN is an Internet network interface. The network interface LAN of the VOIP adapter 20 is connected to the LAN terminal of the terminal adapter 31, and the analog telephone interface TEL of the public line is connected to the telephone terminal TEL of the terminal adapter 31. Network connection terminal LINE of terminal adapter 31
Is connected to the access point of the internet circuit.

[0010] The VOIP adapter 20 has an analog terminal AN.
In response to the identification signal sent from the telephone connected to the telephone, the telephone is connected to the Internet network interface L.
It is selected whether to connect to the AN or to the analog telephone interface TEL of the public line. VOI
When connecting the telephone or FAX to the Internet, the P adapter 20 processes the voice of the telephone by VOIP-compatible voice processing, and then the network interface LA.
It is sent to N and connected to the Internet circuit through the network connection terminal LINE of the terminal adapter 31. Also, the VOIP adapter 20 is a telephone or FAX.
Is connected to the public line via the telephone terminal of the terminal adapter (ADSL modem) 31. By preparing multiple TEL connections for the VOIP adapter 20 or terminal adapter 31,
Multiple calls can be made at the same time. In this way, VO
When the IP adapter 20 is connected to the terminal adapter, the IP adapter 20 performs selective connection between the telephone connection to the Internet and the public line according to the identification signal sent from the telephone.

[0011] FIG. 3 shows a specific example of a case where a VOIP adapter is connected to an Internet circuit network via an ADSL modem + splitter (ADSL router). 3, the same parts as those in FIG. 1 are designated by the same reference numerals and the description thereof will be omitted. In FIG. 3, AN is VOIP
The telephone of the adapter 20, an analog terminal to which a fax or the like is connected, and DG are digital terminals to which a personal computer or the like is connected. TEL is a public line analog telephone interface of the VOIP adapter 20, and LAN is an Internet network interface. The network interface LAN of the VOIP adapter 20 is connected to the LAN terminal of the ADSL modem + splitter 32, and the public telephone analog telephone interface TE is connected.
L is a telephone terminal TE of the ADSL modem + splitter 32
It is connected to L. ADSL modem + splitter 3
The second network connection terminal LINE is connected to the access point of the Internet circuit.

[0012] The VOIP adapter 20 has an analog terminal AN.
In response to the identification signal sent from the telephone connected to the telephone, the telephone is connected to the Internet network interface L.
It is selected whether to connect to the AN or to the analog telephone interface TEL of the public line. VOI
When connecting the telephone or FAX to the Internet, the P adapter 20 processes the voice of the telephone by VOIP-compatible voice processing, and then the network interface LA.
It is sent to N and connected to the Internet circuit through the network connection terminal LINE of the ADSL modem + splitter 32. The VOIP adapter 20 is an ADSL modem + when connecting a telephone or FAX to a public line.
It connects to a public line through the telephone terminal of the splitter 32. By preparing a plurality of TEL connections of the VOIP adapter 20 or the ADSL modem + splitter 32, it becomes possible to make a plurality of calls at the same time. In this way
When the VOIP adapter 20 is connected to the ADSL modem + splitter 32, the VOIP adapter 20 selectively connects the telephone to the Internet or to the public line according to the identification signal sent from the telephone.

[0013] FIG. 4 shows a specific example in which a VOIP adapter is connected to an Internet circuit network via a CATV modem (CATV router) 33. 4, the same parts as those in FIG. 1 are designated by the same reference numerals and the description thereof will be omitted. In FIG. 4, AN is a telephone of the VOIP adapter 20, an analog terminal to which a fax or the like is connected, D
G is a digital terminal to which a personal computer or the like is connected. TE
L is a public line analog telephone interface of the VOIP adapter 20, and LAN is an Internet network interface. VOIP adapter 2
0 network interface LAN is CATV
The analog telephone interface TEL of the public line is connected to the LAN terminal of the modem and directly connected to the public line. Network connection terminal LIN of CATV modem
E is connected to the access point of the internet circuit.

[0014] The VOIP adapter 20 has an analog terminal AN.
In response to the identification signal sent from the telephone connected to the telephone, the telephone is connected to the Internet network interface L.
It is selected whether to connect to the AN or to the analog telephone interface TEL of the public line. VOI
When connecting the telephone or FAX to the Internet, the P adapter 20 processes the voice of the telephone by VOIP-compatible voice processing, and then the network interface LA.
N, and connect to the Internet circuit through the network connection terminal LINE of the CATV modem. or,
The VOIP adapter 20 directly connects a telephone or FAX to a public line when connecting to the public line. Thus, even when the VOIP adapter 20 is connected to the CATV modem, the VOIP adapter 20 can selectively connect the telephone to the Internet or to the public line according to the identification signal sent from the telephone. To do. 40, 41, 42,
43 ... is an access point of the Internet provider.

Access points 40, 41, 42, 43 ...
-Is connected to the Internet provider's access server or router for dial-up connection service, and all users are connected to the Internet provider through the access point. Internet providers are Network Operations Centers (NOCs) and multiple access points 4
0, 41, 42, 43, ... and high-speed digital lines that connect them to each other, and realize communication on the Internet circuit network by connecting to other Internet service providers by dedicated lines. There is. Fifty
Is an Internet circuit network that connects Internet providers. The Internet circuit network 50 is connected to a plurality of Internet providers. 60 is
It is a public telephone analog telephone network. 70 is a VOIP server. The VOIP server is a telephone number (user ID) assigned to each VOIP adapter 20.
And I on the WAN side to which the VOIP adapter is connected
It has a data table of the P address and the IP address of the VOIP adapter, and the telephone number (user ID) and WA.
It has a gatekeeper function to manage the correspondence table of the IP address of the N side and the IP address of the VOIP adapter.

[0016] FIG. 5 shows a configuration of a data table of the VOIP server. As shown in FIG. 5, VOIP
In the server data table, the telephone numbers (user IDs) of all VOIP adapters managed by the VOIP server, the IP address assigned by the provider (IP address on the WAN side), and the IP address of the VOIP adapter are registered as a pair. When the destination telephone number is entered in this server, the WA of the VOIP adapter of the destination is searched by searching this data table.
The IP address of the N side and the IP address of the VOIP adapter are easily obtained. WAN side IP
The address is assigned to the connected access point, but even if the Internet connection is always connected, a new WAN will be created when the connection is resumed after the interruption.
Side IP address is assigned or the WAN side IP address is assigned during dial-up, the VOIP adapter 20 and the VOIP server 70
The update process is performed by the automatic update program.
The central processing unit of the VOIP server 70 receives the command of the control program in the main memory and reads the packet of the VOIP adapter received from the VOIP adapter 20. Packet is phone number and updated WAN IP
Contains the address. The central processing unit receives the command of the control program in the main memory and reads the data table as V
Search for the phone number of the OIP adapter and find the WAN side IP address corresponding to the corresponding phone number
Update with the side IP address.

In the telephone system using the Internet of the present invention, since the telephone number of the public telephone connected to the VOIP adapter can be used as it is as the telephone number (user ID), it is a very convenient Internet telephone. The system can be realized. Telephones 10, 11,
12 and 13 are VOIP adapters 20 and 2, respectively
1, 22, 23 and each terminal adapter 31, AD
It is connected to the access points 40, 41 and 42 of the Internet provider through the network interfaces of the SL modem 32 and the CATV modem 33, and is connected to the Internet circuit network 50 through the access points 40, 41 and 42. Also, each terminal adapter 31, ADSL modem 32, CAT
It is connected to the analog telephone network 60 of the public line through the analog telephone interface of the V modem 33. A VOIP server 70 is connected to the internet network 50.

[0018] In the telephone system using the Internet configured in this way, the analog telephones 10, 11, 1
2, 13 are VOIP adapters 20, 21, 22, 23
And is connected to the Internet circuit network 50 via the network modem 30 and can be used as an Internet communication device. FIG. 6 shows an example of the processing procedure from the call request of the telephone 10 to the connection when making an internet call.
This will be described with reference to the connection flowchart of FIG. * When the dial user A makes an internet call from the telephone 10, first, after pressing the identification number (for example, # button) of the internet call of the telephone 10, "dial" the telephone number (user ID) of the other party. For example, # 0
Dial 3-1234-5678. The identification number of the Internet call is not limited to the # button, and it is possible to press a specific button before the telephone number or select any identification number other than the # button. As the telephone number (user ID), the telephone number of the public telephone connected to the VOIP adapter is used as it is.

[0019] * VOIP adapter 20 of the originator of the Internet call request
After confirming the identification number # of the internet call of the telephone 10, the "call" is made to the directory server system of the VOIP server 70. The outgoing data of the call request of the VOIP adapter 20 is the telephone number (user ID) of the user B of the other party.
And user A's telephone number (user ID), WAN
It is the data of the IP address of the side and the IP address of the VOIP adapter. The outgoing data of the VOIP adapter 20 is the LAN terminal (or A
Via a DSL modem 32 or a CATV modem 33)
A VOI connected to an internet network 50 through an access point 40 of an internet provider
The VOIP server 70 is notified by sending to the IP address of the P server 70. * The VOI that received the call request from the search VOIP adapter 20 of the other party
The central processing unit of the P server 70 receives the instruction of the control program in the main memory and reads the outgoing data of the received call request. The outgoing data includes data such as the telephone number (user ID) of the VOIP adapter 20 of the user B, the telephone number (user ID) of the user A, the IP address of the WAN side, the IP address of the VOIP adapter, and the like. The central processing unit retrieves the data of the telephone number indicated in the outgoing data from the registered data table by the command of the control program in the main memory.

[0020] * The central processing unit of the calling VOIP server 70 of the other party, when the data matching the user B telephone number is specified as a result of searching the data table, reads out from the data table, and the WAN side corresponding to the user B telephone number. IP address of V
It is converted to the IP address of the OIP adapter and is used to "connect" and "call" to the VOIP adapter of the user B of the other party through the Internet network 50.
You The VOIP adapter connected to the telephone of User B who received the “call” is the telephone number (User ID) of User B and the corresponding IP address on the WAN side, V
By replying the IP address of the OIP adapter and the telephone number (user ID) of the user A who requested the call to the VOIP server 70, "response" (pick up the handset). The VOIP server 70 sends the reply data from the VOIP adapter connected to the user B's telephone to the VOIP adapter 2 connected to the sender's user A's telephone.
The call to the other party is established by transferring to 0.

[0021] The VOIP server 70 searches the data table, and as a result, the registered telephone number (user ID).
If there is no corresponding item, it is determined that the telephone is a non-subscribed telephone and a voice guidance is sent back to the user A who is the call request destination, indicating that the other party's number is not registered. Upon receiving this guidance, the call request destination user A dials the telephone number of the other party's public telephone without pressing the identification number (for example, the # button) of the internet call from the telephone set 10, and thereby the VOIP adapter 20 is made public. It is recognized as a telephone, and the telephone terminal of the terminal adapter 31 (or the ADSL modem 32 or the CATV modem 3
Calls are made through the public telephone network connected to the public telephone line network via 3).

As described above, in the telephone system using the Internet of the present invention, the VOIP adapter to which the telephone is connected checks the identification signal to distinguish the Internet telephone from a general telephone, and the In this case, by sending the public telephone number used as the user ID to the central processing unit of the VOIP server 70, the VOIP server 70 searches the registered data table, and as a result of the search, the telephone number that matches the telephone number. If there is, a public telephone line is used between the telephones connected to the Internet provider by making a call (30) to the IP address of the VOIP adapter 20 of the callee registered corresponding to the telephone number. You can make a call without doing. If it is determined that the VOIP adapter to which the telephone is connected is not the Internet telephone, or if the VOIP server 70 searches the registered data table and there is no match with the telephone number, the VOIP adapter is used. It is also possible to make a call with a telephone connected to a public telephone line via the telephone, and it is possible to make a call with the same operability as that of a conventional subscriber telephone regardless of whether the source or destination is a subscriber telephone or an internet communication device.

[0023] In the telephone system using the Internet of the present invention, by installing the VOIP server 70 in the Internet network, it becomes possible to talk with the telephones of VOIP adapters connected to different Internet providers, and the Internet provider. Will be able to provide not only internet connection service but also convenient telephone call service. Further, in the telephone system using the Internet of the present invention, the call charge between telephones subscribed to the Internet is basically free regardless of the distance except for the connection charge of the Internet service provider. Especially VOIP
The connection method between the adapter 20 and the Internet provider is a dedicated line connection, a cable modem connection for CATV,
If one of the always-on wireless connections is used, there is no need for a subscription telephone contract, and costs can be saved.

[0024]

As is apparent from the above description, in the telephone system using the Internet of the present invention, the telephone is switched between the public telephone line and the Internet circuit through the VOIP adapter and the Internet modem for switching connection according to the identification signal. It is connected to the Internet circuit network, and has registration data that is set in the Internet circuit network as a pair of the telephone number that identifies the VOIP adapter and the corresponding Internet IP address, and registers the telephone number and IP address. By providing a VOIP server with a gatekeeper function to manage data and accessing the VOIP server from the telephone through the VOIP adapter and the Internet network and specifying the connection destination telephone number, the specified connection destination Internet IP address Set up A telephone system using the Internet, which is configured to be connected to a telephone that is connected to the Internet, enables telephones to be communicated between telephones connected to an Internet provider through a VOIP adapter without using a public telephone line. It is a thing.

[0025] Therefore, the internet telephone system of the present invention can associate the telephone number of the public line previously assigned to the internet communication device with the network address, so that the calling from the subscriber telephone to the internet communication device and the internet communication. It is possible to easily make a call from the device to a subscriber telephone and a call from the internet communication device to the internet communication device. Further, the internet telephone system of the present invention does not need to be aware of whether the originator or destination is a subscriber telephone or an internet communication device, and realizes the same operability as a conventional subscriber telephone. Furthermore, since the call charges between the internet communication devices are basically free regardless of the distance, except for the connection charges of the internet service provider, communication costs can be significantly reduced.

[Brief description of drawings]

FIG. 1 is an explanatory diagram showing a configuration example of an embodiment of an internet telephone system of the present invention.

FIG. 2 shows a specific example of connecting a VOIP adapter to an internet circuit network via a terminal adapter.

FIG. 3 shows a specific example in which a VOIP adapter is connected to an internet circuit network via an ADSL modem.

FIG. 4 shows a specific example of connecting a VOIP adapter to an Internet circuit network via a CATV modem.

FIG. 5 shows a structure of a data table of a VOIP server.

FIG. 6 is a flowchart showing an example of a processing procedure from a telephone call request to connection when an internet call is made.

FIG. 7 is a diagram illustrating a conventional telephone system using the Internet.

[Explanation of symbols]

10, 11, 12, 13 ... Telephone used for public line, 20, 21, 22, 23 ... VOIP adapter, AN ... Analog terminal of VOIP adapter, DG ... Digital terminal of VOIP adapter , TEL ... VOIP adapter analog telephone interface, LAN ... VOIP adapter network interface, 30 ... Internet modem and dial-up router, 31 ... Terminal adapter (ISDN router), 32 ... ADSL modem (ADSL router), 33 ... CATV modem (router), 40, 41, 42, 43 ... Access point of Internet provider. 50 ... Internet circuit network, 60 ... Public telephone analog telephone network, 70 ... VOIP server,

Continued front page    F term (reference) 5K030 GA08 HA08 HB01 JA08 KA05                       KA19 LB02                 5K051 AA05 AA08 BB01 CC00 DD07                       DD13 FF07 FF16 GG01 GG06                       HH01 HH17 JJ04 JJ13 KK10                 5K101 LL00 MM06 NN15 PP03 SS08                       UU18

Claims (8)

[Claims] 1. A VOIP for switching and connecting a telephone to a public telephone line and an internet circuit network according to an identification signal.
The adapter is connected to the internet network through an internet modem or dial-up router, and a telephone number for identifying the VOIP adapter and a corresponding internet IP address are set as a pair in the internet network. It has a VOIP server that has data and has a gatekeeper function that manages data of telephone numbers and IP addresses.
VOI through IP adapter and internet network
By accessing the P server and specifying the telephone number of the connection destination, it is configured to connect to the telephone set with the IP address of the specified connection destination Internet,
To enable telephone calls between telephones connected to an Internet provider via a VOIP adapter without using a public telephone line, and also to communicate with telephones connected to a public telephone line via a VOIP adapter. A telephone system using the internet. 2. A telephone having a terminal connected to the telephone, an internet network interface, and a public telephone analog telephone interface, and the telephone is connected to the internet according to an identification signal sent from the telephone, or a public telephone. A VOIP adapter equipped with a function for selectively connecting to a line and a function corresponding to VOIP for performing voice processing for connecting to the Internet, a telephone connected to the VOIP adapter, and a VOI
The Internet modem or dial-up router that connects the P adapter to the Internet network, the telephone number that identifies the VOIP adapter in the Internet network, and the registration data that is set by pairing the Internet IP address corresponding to this telephone number. It has a VOIP server that has a gatekeeper function that manages registered data of telephone numbers and IP addresses, and accesses the VOIP server from a telephone through a VOIP adapter and the Internet network to specify the telephone number of the connection destination. By specifying the IP of the specified Internet
It is configured to connect to the destination telephone set with an address so that telephone calls can be made between telephones connected to an Internet provider without using a public telephone line, and via a VOIP adapter. A telephone system using the Internet that enables you to talk with a telephone connected to a public telephone line. 3. The VOIP according to claim 1 or claim 2.
A telephone system using the Internet, characterized in that a terminal adapter or an ISDN router is used to connect the adapter to an internet modem for connecting the internet circuit to the internet modem. 4. The VOIP according to claim 1 or claim 2.
A telephone system using the Internet characterized in that an ADSL modem or an ADSL router is used to connect to an Internet modem that connects an adapter to an Internet circuit network by an ADSL line. 5. The VOIP according to claim 1 or claim 2.
An Internet modem that connects the adapter to the Internet network, such as a cable modem for CATV or CA
A telephone system using the Internet characterized by using a router for TV. 6. The VOIP according to claim 1 or claim 2.
A telephone system using the Internet characterized in that a telephone number of a public telephone line of a telephone connected to a VOIP adapter is used as a telephone number for identifying an adapter. 7. The telephone according to claim 1 or 2, wherein the telephone is used as an identification signal between the public telephone line and the Internet circuit,
A telephone system using the Internet characterized in that a specific button is pressed or an identification number is added before a telephone number for identifying a VOIP adapter. 8. The VOIP according to claim 1 or claim 2.
The IP address assigned by the provider to which the VOIP adapter is connected to the Internet IP address that identifies the adapter, and the I of the VOIP adapter.
A telephone system using the Internet characterized by using a P address.