JP3085244B2 - Asynchronous transfer mode network of existing telephone network connection terminal and connection method between existing telephone networks - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an existing telephone network connection terminal which performs communication services by connecting to an existing telephone network and uses the terminal by connecting it to an asynchronous transfer mode network (hereinafter, the asynchronous transfer mode network is referred to as ATM). The present invention relates to a connection method for connecting and using an existing telephone network connection terminal on an asynchronous transfer mode network connected to the asynchronous transfer mode network by a connection method and an existing telephone network connection terminal connected to the existing telephone network. ATM in which a computer telephone service (computer telephony service) device is connected to an asynchronous transfer mode network as a network connection terminal to enable services on an ATM network.
The present invention relates to a connection method between an existing computer telephone service (computer telephony service) device on a network and an existing telephone network connection terminal connected to the existing telephone network.

[0002]

2. Description of the Related Art In recent years, there has been a tendency to increase the number of computer telephone services that combine the functions of a personal computer and a telephone and provide computer applications through a telephone network. The application of the computer telephone service is assumed to be used by connecting to an existing telephone network. That is, the terminal address used in the execution of the application of the computer telephone service is based on the conventional telephone network number system, and such a terminal address is used when requesting a communication connection.

In response to this, the existing telephone network connection terminal is changed to an ATM.
As a connection method for connecting to a network, there is an ATM network connection method of an existing telephone network connection terminal which connects a computer telephone service (computer telephony service) device as an existing telephone network connection terminal to an ATM network and enables services on the ATM network. is there.

[0004]

A first problem is a conventional connection system for connecting an existing telephone network connection terminal to an ATM network, and particularly a computer telephone service (computer telephony) as an existing telephone network connection terminal. service)
In the ATM network connection method of an existing telephone network connection terminal that connects a device to an ATM network and enables services on the ATM network,
A computer telephone service device that executes an application that performs connection control using a connection partner number in the existing telephone network is called A
Although it can be accommodated in the TM network, there is a problem that communication connection between the computer telephone service device that can be accommodated in the ATM network and an existing telephone network connection terminal in the existing telephone network cannot be made.

[0005] The reason for this is that the communication via the ATM network of the computer telephone service device that can be accommodated in the ATM network and the communication via the existing telephone network of the existing telephone network connection terminal are compared with the ATM network and the existing telephone network. This is because there was no means to connect over the network.

[0006]

SUMMARY OF THE INVENTION The present invention relates to a computer telephone service apparatus which is connected to an existing telephone network to provide communication services and has an application created under a conventional telephone network numbering system. A for telephone network connection terminal
An existing telephone network connection terminal on an asynchronous transfer mode network connected to the asynchronous transfer mode network by a connection method used by connecting to a TM network, and an existing telephone network connection terminal including a computer telephone service device connected to the existing telephone network It is an object of the present invention to improve the service provision by expanding the area of a communication network to which a computer telephone service device or an existing telephone network connection terminal can be connected for communication.

[0007]

Next, an embodiment of the present invention will be described with reference to the drawings.

FIG. 1 is a block diagram showing an embodiment of the present invention. The plurality of existing telephone terminals 60 and 61 connected to the existing telephone network 50 are existing telephone terminals including a computer telephone service device used by connecting to the existing telephone network. It has a function of notifying a transfer destination and a relay destination, and this function is also an existing function realized by a push button signal transmission function or the like. Therefore, description and illustration of each functional unit of the existing telephone terminals 60 and 61 will be omitted.

A plurality of computer telephone service devices 20 and 21 connected to the ATM network 10
A telephone service is provided by using a computer telephone service device connected to a telephone network and a conventional telephone network number system.

The plurality of telephone network gateways 40 and 41 connected to the ATM network 10 and the existing telephone network 50 are connected to the computer telephone service devices 20 and 21 and other telephone network gateways and the existing telephone network connected to the existing telephone network 50. Terminal 6
A relay connection service for communication using a conventional telephone network number system of 0, 61 is provided.

The ATM network 10 is further provided with a computer telephone service server 30 connected thereto.

This computer telephone service server 30
Collects and accumulates the telephone numbers in the conventional telephone network numbering system of the computer telephone service devices 20 and 21 notified by the computer telephone service devices 20 and 21 and the ATM addresses in the ATM network in association with each other. , The computer telephone service units 20 and 21 and the telephone network gateways 40 and 41 are inquired to execute the ATM communication connection. The ATM in the ATM network corresponding to the telephone number in the conventional telephone network numbering system of the other computer telephone service unit. It has a function to notify the address.

The computer telephone service server 30 is provided with predetermined identification information of the telephone network gateways 40, 41 notified by the telephone network gateway 41, an ATM address in the ATM network, and identification information of the telephone network gateway. Are collected and stored in association with each other, and the telephone numbers in the conventional telephone network numbering system of the connection partner to which the computer telephone service devices 20 and 21 and the telephone network gateways 40 and 41 inquire to execute the ATM communication connection. AT in ATM network corresponding to
For the M address, the telephone network gateway is selected using the identification information depending on the telephone number contents of the conventional telephone network numbering system of the connection partner in the inquiry, and the ATM address of the selected telephone network gateway in the ATM network. Is provided.

The configuration of the telephone network gateway will be described with reference to the telephone network gateway 40 shown in FIG. The part of the telephone network gateway according to the present invention comprises an existing telephone network interface unit 410, a gateway control unit 420, an ATM interface unit 430, a server address storage unit 440, and a destination ATM address storage unit 450. And connected by a control bus.

The telephone network gateway 40 notifies the computer telephone service server 30 of the terminal address in the conventional telephone number system to which the own gateway is allocated and the ATM address allocated by connecting to the ATM network. The existing telephone terminals 60 and 61 on the existing telephone network 50 to the computer telephone service device 2
0, 21 from the existing telephone network 50 in the relay connection of the communication from the existing telephone terminal 60 on the existing telephone network 50 to the existing telephone terminal 61 via the ATM network 10 and another telephone network gateway 41. Incoming call from the existing telephone terminal 60 to be connected
Is received as a terminal address in the conventional telephone numbering system of the computer telephone service apparatuses 20 and 21 and the other telephone network gateway 41 of the connected telephone number. The computer telephone service server 30 is inquired about the ATM address in the ATM network corresponding to the received telephone number of the connection destination, and the ATM network 1 is obtained from the obtained ATM address.
0, a connection request is made, and if the connection is made via the ATM network 10, the information communication between the existing telephone terminal 60 and the computer telephone service devices 20, 21 and the other telephone network gateway 41 is relayed to the ATM network. If the other party connected via 10 is another telephone network gateway 41 and there is a notification request of the telephone number of the connection destination, the telephone number of the connection destination is returned.

The telephone network gateway 40 is connected to the existing telephone network 50 from the computer telephone service devices 20 and 21.
To the existing telephone terminals 60, 61 on the existing telephone network 50 from another telephone network gateway 41.
In connection with the relay connection of the communication to the communication network 1, calls from the computer telephone service devices 20 and 21 and another telephone network gateway 41 coming from the ATM network 10 are connected.
The computer telephone service device 20 with the incoming connection,
21 and another telephone network gateway 41 are requested to be notified of the telephone number of the connection destination, and the telephone numbers of the connection destinations received by the notification are replaced with the telephone numbers on the existing telephone network 50 of the existing telephone terminals 60 and 61 of the connection destinations. A connection request is made to the existing telephone network 50 based on the received telephone number of the connection destination, and if the connection is made via the existing telephone network 50, the computer telephone service devices 20, 21 and the other telephone network gateway 4
1 and information communication between the existing telephone terminals 60 and 61 are relayed.

The existing telephone network interface unit 410 is connected to the existing telephone network 50, and transmits and receives connection control information and communication information to and from the existing telephone network 50 using a conventional telephone network connection method and number system. Via the existing telephone network 50, various kinds of information including connection control information transmitted / received to / from the gateway control unit 420 and communication information between the ATM interface unit 430 of the own device and the existing telephone terminals 60 and 61 are relayed.

The server address storage unit 440 sets and stores the ATM address given to the computer telephone service server 30 in advance.

The destination ATM address storage unit 450 includes an existing telephone network interface unit 410 and an existing telephone terminal 60,
The ATM address of the other party's computer telephone service device and the other party's telephone network gateway corresponding to the telephone number of the connection destination received from 61 is temporarily stored.

The ATM interface unit 430 has an ATM
It is connected to the network 10, transmits and receives connection control information to and from the ATM network 10, and communicates information in the destination ATM address storage unit 450 and between its own gateway and the other party's computer telephone service device and between its own gateway and another gateway. Various kinds of information including information are relayed via the ATM network 10.

The gateway control unit 420 includes an existing telephone network interface unit 410 and an ATM interface unit 43
A software program that performs communication connection control and information transfer control with respect to the partner ATM address storage unit 450 and the server address storage unit 440, controls the entirety of the telephone network gateway 40, and stores a microprocessor and a software program that performs various controls. The main control is performed as follows.

(1) Computer telephone service server 3
0 autonomously connects to the computer telephone service server based on the ATM address read from the server address storage unit 440 so that the telephone number of each telephone network gateway and the ATM address can be collected. To the telephone number and ATM address of the own telephone network gateway.

(2) When a call from an existing telephone terminal arriving from the existing telephone network 50 is connected for incoming connection, a telephone number of a connection destination notified from the existing telephone terminal to which the incoming connection has been made is received, and the received connection destination is received. Is used as a terminal address in the conventional telephone number system of the connection destination computer telephone service device and another telephone network gateway, and the ATM address in the ATM network corresponding to the received connection destination telephone number is used in the computer telephone service. Request to server 30. A notified from the computer telephone service server
The connection to the partner device is made based on the TM address, and the ATM address is stored in the partner ATM address storage unit 250.

(3) When a call from the computer telephone service device and another telephone network gateway coming from the ATM network 10 is connected to the incoming call, the connection destination is sent to the computer telephone service device and the other telephone network gateway with the incoming connection. Of the telephone number of the connection destination received by the notification as the telephone number in the existing telephone network of the existing telephone terminal of the connection destination, and based on the received telephone number of the connection destination on the existing telephone network 50, Connect to the existing telephone terminal of the other party.

The computer telephone service device 20 shown in FIG.
As an example, the configuration of the computer telephone service device will be described. The computer telephone service device includes an application execution unit 260 and an ATM adapter unit 210. In addition, the computer telephone service device
By combining the functions of a telephone with a personal computer,
It provides an application related to communication to a computer. Therefore, there are a computer main body, a communication function unit not related to the present invention, and the like, but these parts are not shown.

The application execution unit 260 executes a telephone service application using the conventional telephone network numbering system. For an application using a terminal address such as a communication connection request, the conventional telephone number is used regardless of the network type. The system is used. It comprises a microprocessor and a memory in which software programs for performing various controls are stored.

The ATM adapter section 210 has a terminal address assigned to its own device according to the conventional telephone number system and an ATM assigned by connecting to the ATM network.
In addition to notifying the computer telephone service server 30 of the address, the conventional telephone numbers of the partner computer telephone service device and the partner existing telephone terminal on the existing telephone network to which the application execution unit 260 of the own device requests connection when communicating with the ATM network. The computer telephone service server 30 is inquired about an ATM address in the ATM network corresponding to the terminal address according to the system, a connection request is made to the ATM network 10 based on the obtained ATM address, and the connection is made via the ATM network 10. Then, the information communication between the connected device and the application execution unit 260 of the connected device is relayed to the connected device, and the connected devices via the ATM network 10 are connected to the telephone network gateways 40 and 41.
If there is a request for notification of the telephone number of the connection destination, the telephone number of the connection destination is returned.

As shown in FIG. 1, the ATM adapter section 210 includes a server address storage section 240 and a destination ATM.
Address storage unit 250, ATM interface unit 230
And an adapter control unit 220. Each unit is connected by an information transfer and control bus.

Server address storage section 240 sets and stores the ATM address given to computer telephone service server 30 in advance.

The destination ATM address storage unit 250 temporarily stores the ATM address of the destination computer telephone service device corresponding to the telephone number requested to be connected by the application execution unit 260 of the own device.

The destination ATM address storage unit 250
Is relayed to the existing telephone terminal corresponding to the telephone number requested for connection as the ATM address of the existing telephone terminal on the existing telephone network corresponding to the telephone number requested for connection from the application execution unit 260 of the own device. The ATM address of the telephone network gateway to be connected is temporarily stored.

The ATM interface unit 230 is an ATM interface unit.
It is connected to the network 10 and transmits and receives connection control information to and from the ATM network 10. Various types of information including information in the destination ATM address storage unit 250 and communication information between the own device and the application execution unit 260 of the destination device are included. Information of the ATM network 10
To relay through.

The adapter control unit 220 controls communication connection and information transfer performed for the ATM interface unit 230, the counterpart ATM address storage unit 250, and the server address storage unit 240.
The ATM controller 210 controls the whole of the ATM adapter unit 210, such as transmitting and receiving a connection request, and includes a microprocessor and a memory in which a software program for performing various controls is stored. I do.

(1) Computer telephone service server 3
0 is the telephone number and AT of each computer telephone service device
Connects to the computer telephone service server autonomously based on the ATM address read from the server address storage unit so that the correspondence information of the M address can be collected, and notifies the computer telephone service server of the telephone number and the ATM address of the own device. I do.

(2) Application execution unit 2 of own apparatus
When the network request 60 is made, the computer telephone service server 30 requests the computer telephone service server 30 for the ATM address corresponding to the telephone number of the computer telephone service device to be connected and the telephone number of the existing telephone terminal on the existing telephone network. Based on the ATM address notified from the computer telephone service server, the connection to the partner device is established, and the A
The TM address is stored in the destination ATM address storage unit 250.

Further, based on the ATM address notified from the computer telephone service server, the connected parties are the telephone network gateways 40 and 41, and if there is a notification request of the telephone number of the connection destination, the telephone number of the connection destination is returned.

On the other hand, the computer telephone service server 3
Numeral 0 comprises a telephone number-to-ATM address storage section 310, a gateway address storage section 340, an ATM interface section 330, and a server control section 320, each of which is connected by an information transfer and control bus.

Telephone number vs. ATM address storage section 310
Stores the telephone number transferred from each computer telephone service device and the corresponding ATM address.

The gateway address storage unit 340 stores telephone network gateway identification information transferred from each telephone network gateway and an ATM address corresponding thereto. Note that the identification information of each telephone network gateway is predetermined, and is a number length of a telephone number, a value of a fixed digit from the beginning of the telephone number, or information combining these number lengths and a value of a fixed digit from the beginning. is there.

The ATM interface unit 330 is an ATM
It is connected to the network 10, transmits and receives connection control information to and from the ATM network 10, and relays various communication information including information in the telephone number-to-ATM address storage unit 310 via the ATM network 10.

The server control unit 320 stores the telephone number notified from the computer telephone service unit and the corresponding A
Store TM address in telephone number vs. ATM address storage section 310
And control to read out and return the ATM address corresponding to the telephone number inquired from the computer telephone service device from the telephone number-to-ATM address storage unit 310, and to be notified from the telephone network gateway. Control is performed to store identification information of the telephone network gateway and its corresponding ATM address in the gateway address storage unit 340, and the ATM address corresponding to the telephone number inquired from the telephone network gateway and the computer telephone service device is stored in the telephone number pair. AT
If no corresponding ATM address is found from the M address storage unit 310, the condition of the identification information of each telephone network gateway is checked against the inquired telephone number from the gateway address storage unit 340, and the condition matching the check is obtained. A software program that performs overall control of the entire computer telephone service server, such as controlling to read out and return the ATM address of the telephone network gateway corresponding to the identification information of the telephone network from the gateway address storage unit 340, and performs various controls with the microprocessor. Is stored in a memory or the like.

Next, an example of the operation of the embodiment of the present invention will be described.

First, the operation in which the telephone network gateway registers the ATM address corresponding to the identification information in the computer telephone service server will be described.

For convenience of description, the first four digits of the telephone number assigned to the computer telephone service device on the ATM network 10 are 0000, and the first four digits of the telephone number assigned to the existing telephone terminal 60 on the existing telephone network 50 are 0001, ATM network 10
The identification information of the telephone network gateway 40 that relays the communication connection from the telephone network to the existing telephone terminal 60 is 0001, and the existing telephone network 50 is
The first four digits of the telephone number assigned to the existing telephone terminal 61 are 0002, and the identification information of the telephone network gateway 40 that relays the communication connection from the ATM network 10 to the existing telephone terminal 61 is 0002.

When the telephone network gateway 40 is connected to the ATM network 10 and turned on, the gateway controller 4
20 starts a registration operation to the computer telephone service server 30 connected to the ATM network 10 as an initial operation. The ATM address of the computer telephone service server 30 is set and stored in advance in the server address storage unit 440 of the telephone network gateway 40.
The address is read out and autonomously connected to the computer telephone service server 30 within the ATM network. The telephone network gateway 40 connected to the computer telephone service server 30 transfers the identification information 0001 of its own gateway and the corresponding ATM address assigned in the ATM network 10.

The transferred identification information 0001 of the telephone network gateway 40 and the corresponding ATM address are received by the computer telephone service server 30 and stored in the gateway address storage unit 340.

As described above, each telephone network gateway sets the AT
By connecting to the M network 10 and turning on the power, the respective identification information and the corresponding ATM address are stored in the computer telephone service server. It is possible to manage the identification information of the telephone network gateway and the corresponding ATM address.

Next, the operation in which the computer telephone service device registers an ATM address corresponding to the telephone number in the computer telephone service server will be described.

The computer telephone service device 20 is set to AT
When the power is turned on after connecting to the M network 10, the adapter control unit 220 starts a registration operation to the computer telephone service server 30 connected to the ATM network 10 as an initial operation. Since the ATM address of the computer telephone service server 30 is set and stored in advance in the server address storage unit 240 of the computer telephone service device 20, the ATM address is read out and autonomously connected to the computer telephone service server 30 within the ATM network. I do. The computer telephone service device 20 connected to the computer telephone service server 30 has its own telephone number and the corresponding AT assigned by the ATM network 10.
Transfer the M address.

The transferred telephone number of the computer telephone service device 20 and the corresponding ATM address are received by the computer telephone service server 30 and stored in the telephone number-to-ATM address storage section 310.

As described above, when each computer telephone service device is connected to the ATM network 10 and turned on, the respective telephone numbers and their corresponding ATM addresses are stored in the computer telephone service server. The server uses this ATM network 1
It is possible to manage each telephone number whose first four digits are 0000 and the corresponding ATM address of all the computer telephone service devices connected to “0”.

The telephone network gateway identification number pair A thus stored in the computer telephone service server
TM address information, telephone number / ATM address information of the computer telephone service unit, and telephone numbers, which are the telephone system of the existing telephone network used by the application execution unit of the computer telephone service unit in its control operation, are associated with each other. An operation for making a communication connection with an existing telephone terminal via a gateway will be described.

The application execution unit 260 of the computer telephone service apparatus is connected to the existing telephone network 5 via the ATM network.
0, the adapter control unit 220 reads the ATM address of the computer telephone service server connected to the ATM network 10 from the server address storage unit 240, and requests the ATM address.
Connect to the computer telephone service server based on the address. When connected to the computer telephone service server, the first four digits 0 of the existing telephone terminal 60 on the existing telephone network 50 of the connection destination requested by the adapter control unit 220
The telephone number 001 is notified to the computer telephone service server, and an ATM address corresponding to the telephone number is requested.

In the computer telephone service server receiving the request, the telephone number / ATM address storage section 310
From the information stored in the first four digits of the inquiry
The ATM address corresponding to the telephone number 001 is searched, but there is no corresponding ATM address in the telephone number-to-ATM address storage unit 310. Is checked from the gateway address storage unit 340, and the ATM address of the telephone network gateway 40 corresponding to the identification information 0001 of the condition that matches the check is read from the gateway address storage unit 340. The read ATM address information is returned to the requesting computer telephone service device.

The adapter control unit 220 of the computer telephone service device that has received the ATM address corresponding to the inquired telephone number issues a connection request to the ATM network 10 based on the received ATM address of the telephone network gateway 40. In the ATM network 10, the connection to the telephone network gateway 40 is made according to the ATM address defined in the network.

The telephone network gateway 40 is connected to the ATM network 10
Incoming call from the computer telephone service device arriving from the terminal, requests notification of the telephone number of the connection destination to the computer telephone service device with the incoming connection, and replaces the telephone number of the connection destination received by the notification with the connection destination. A connection request is made to the existing telephone network 50 based on the received telephone number of the connection destination, that is, the telephone number of the existing telephone terminal 60, and if the connection to the existing telephone terminal 60 is established via the existing telephone network 50, the ATM network 10 relays information communication between the computer telephone service device and the existing telephone terminal that have been connected.

In this way, even if the application execution unit controls the connection with the existing telephone terminal on the existing telephone network using the telephone number of the existing telephone network, the gateway control unit transmits the information to the computer telephone service server. Since the address information of the own telephone network gateway is notified as a relay destination to the existing telephone network, the address information of the telephone network gateway required for the relay connection is obtained via the computer telephone service server, and the existing telephone via the telephone network gateway is obtained. The connection with the existing telephone terminal on the network can be performed, and the application execution unit does not need to be aware of whether the partner terminal device is connected to the existing telephone network or connected to the ATM network.

The ATM addresses of the telephone network gateway and other computer telephone service devices obtained via the computer telephone service server are stored in the destination ATM address storage unit 250 each time. Therefore, when receiving a connection request from the application execution unit 260, the adapter control unit 220 first searches the destination ATM address storage unit 250 and makes an inquiry in the past before making an inquiry to the computer telephone service server. Check if it is an address. If the destination is to be connected many times, the telephone number and the corresponding ATM address are already stored in the destination ATM address storage unit.
The communication connection can be made with any other terminal device on the ATM network and the existing telephone network without inquiring of the computer telephone service server.

When making a communication connection from the existing telephone terminal to the computer telephone service device on the ATM network 10, the operator of the existing telephone terminal determines in advance to connect to the computer telephone service device on the ATM network 10. First, the existing telephone terminal is connected to the determined telephone network gateway using the telephone number of the telephone network gateway, and after connection with the telephone network gateway, the telephone number of the connection destination is notified to the telephone network gateway by a push button signal or the like.

The existing telephone network interface unit 410 of the telephone network gateway connects the incoming call from the existing telephone terminal coming from the existing telephone network, and the telephone of the connection destination notified from the existing telephone terminal with the incoming connection. Receive the number,
The gateway control unit 420 is notified of the received telephone number of the connection destination as a terminal address in the conventional telephone number system of the computer telephone service device of the connection destination. The gateway control unit 420 determines the A corresponding to the telephone number of the connection destination notified from the existing telephone network interface unit 410.
In making an inquiry to the computer telephone service server for the ATM address in the TM network, the ATM address of the computer telephone service server connected to the ATM network 10 is read from the server address storage unit 440, and the computer is read based on the ATM address. Make a connection to the telephone service server. When connected to the computer telephone service server, the computer telephone service server notifies the computer telephone service server of the telephone number in the existing telephone network of the connection destination computer telephone service device received from the existing telephone terminal and requests an ATM address corresponding to the telephone number. I do.

In the computer telephone service server receiving the request, the telephone number / ATM address storage section 310
The ATM address corresponding to the telephone number inquired is searched for and read out from the information stored in. The read ATM address information is returned to the requesting telephone network gateway.

The gateway control section 420 of the telephone network gateway, which has received the ATM address corresponding to the telephone number inquired, sets the AT based on the received ATM address.
A connection request is made to the M network 10. In the ATM network 10, since it is an ATM address specified in the network, connection to the other party's computer telephone service device is made according to the ATM address.

Thus, even if the existing telephone terminal controls the connection using the telephone number of the existing telephone network number system,
Since the gateway control unit can obtain the address information necessary for the ATM network connection via the computer telephone service server and perform the connection within the ATM network, the existing telephone terminal can use the existing telephone network without being aware of the ATM address. Can be communicatively connected to a computer telephone service device on the ATM network by using only the numbering system.

The ATM address obtained via the computer telephone service server is stored in the destination ATM address storage unit 450 each time. Therefore, when receiving a connection request from an existing telephone terminal, the gateway control unit 420 first transmits the destination ATM address storage unit 450 before making an inquiry to the computer telephone service server.
To check whether it is an address for which an inquiry was made in the past. If the other party connects many times, the other party A
The telephone number and the corresponding ATM in the TM address storage
Since the addresses have already been stored, it is possible to execute connection to the other party's computer telephone service device without inquiring of the computer telephone service server.

The existing telephone terminal 60 is connected to the telephone network gateway 4
0, the telephone network gateway 40 requests the computer telephone service server for an ATM address corresponding to the first four digits 0002 of the telephone number of the existing telephone terminal 61.

In the computer telephone service server receiving this request, the telephone number / ATM address storage section 310
From the information stored in the first four digits of the inquiry
The ATM address corresponding to the telephone number 002 is searched. However, since there is no corresponding ATM address in the telephone number-to-ATM address storage unit 310, each telephone network gateway for the telephone number of the first four digits 0002 inquired. Is checked from the gateway address storage unit 340, and the ATM address of the telephone network gateway 41 corresponding to the identification information 0002 of the condition that matches the check is read from the gateway address storage unit 340. The read ATM address information is returned to the requesting telephone network gateway 40.

The gateway control unit 420 of the telephone network gateway 40 that has received the ATM address corresponding to the inquired telephone number, sets the A of the received telephone network gateway 41 to A.
A connection request is made to the ATM network 10 based on the TM address. In the ATM network 10, since the ATM address is defined in the network, the connection to the telephone network gateway 41 is made according to the ATM address.

The telephone network gateway 41 is connected to the ATM network 10.
Incoming call from the computer telephone service device coming from the telephone network gateway 40
Requesting a notification of the telephone number of the connection destination, and using the telephone number of the connection destination received by the notification as the telephone number of the connection destination, the received telephone number of the connection destination, that is, the existing telephone terminal 6
A connection request is made to the existing telephone network 50 using the telephone number 1
If connected to the existing telephone terminal 61 via the existing telephone network 50, the information communication between the telephone network gateway 40 and the existing telephone terminal 61 which has been connected from the ATM network 10 is relayed. As a result, the existing telephone terminal 60 can make a detour connection for communication with the existing telephone terminal 61 via the telephone network gateway 40, the ATM network 10, and the telephone network gateway 41.

[0069]

As described above, according to the asynchronous transfer mode network of the existing telephone network connection terminal and the existing telephone network connection method according to the present invention, the application execution unit of the computer telephone service device which is the terminal on the ATM network. Even if the connection control using the telephone number of the existing telephone network number system,
Since the gateway control unit notifies the computer telephone service server of the address information of the own telephone network gateway as a relay destination to the existing telephone network, the address information of the telephone network gateway necessary for the relay connection is obtained via the computer telephone service server. Thus, connection with an existing telephone terminal on the existing telephone network via the telephone network gateway can be performed. Further, the application execution unit does not need to be aware of whether the connection partner of the communication is connected to the existing telephone network or connected to the ATM network. Without changing the system, it is possible to provide the service of connecting the computer telephone service device on the ATM network to the existing telephone terminal on the existing telephone network by using only the number system of the existing telephone network.

Further, even if the existing telephone terminal performs connection control using telephone numbers of the existing telephone network number system, the gateway control unit transmits address information necessary for ATM network connection via the computer telephone service server. Obtain and ATM
Existing telephone terminals can use AT
The communication connection with the computer telephone service device on the ATM network can be made only by using the number system of the existing telephone network without being aware of the M address, so that the existing telephone terminal can be operated without any change in the telephone number operation. In addition, there is an effect that a service for terminating connection with a computer telephone service device on the ATM network can be provided only by the number system of the existing telephone network.

Further, the existing telephone terminal can make a detour connection with the existing telephone terminal via the ATM network by the telephone network gateway, and the existing telephone terminal can be connected via the ATM network according to the failure state of the existing telephone network and the communication cost. This has the effect of providing a service that allows communication to be selected.

The ATM address obtained through the computer telephone service server is stored in the telephone network gateway and the destination ATM address storage unit of the computer telephone service device on the ATM network each time. Further, when the telephone network gateway and the computer telephone service device on the ATM network try to connect to another device on the ATM network, first, before making an inquiry to the computer telephone service server, the partner ATM address storage unit is searched. If an inquiry has been made in the past, the telephone number and the corresponding ATM address are already stored in the destination ATM address storage unit, so that the connection to the destination computer telephone service device can be established without inquiring the computer telephone service server. Can be performed. Therefore,
Even if there are many telephone network gateways and computer telephone service devices on the ATM network and frequently perform connection operations, the computer telephone service server can reduce the load of inquiry processing, and therefore can provide connection services more quickly. It has the effect of being able to.

[Brief description of the drawings]

FIG. 1 is a block diagram showing an embodiment of the present invention.

[Explanation of symbols]

 Reference Signs List 10 ATM network 20, 21 Computer telephone service device 30 Computer telephone service server 40 Telephone network gateway 50 Existing telephone network 60, 61 Existing telephone terminal 210 ATM adapter unit 220 Adapter control unit 230, 430 ATM interface unit 240, 440 Server address storage unit 250, 450 Destination ATM address storage unit 260 Application execution unit 310 Phone number versus ATM address storage unit 320 Server control unit 330 ATM interface unit 340 Gateway address storage unit 410 Existing telephone network interface unit 420 Gateway control unit

Claims (4)

(57) [Claims] The present invention relates to a method for connecting an existing telephone network connection terminal, which provides communication services by connecting to an existing telephone network, to an asynchronous transfer mode network connected to the asynchronous transfer mode network. A telephone network connection terminal,
A connection method for connecting and using an existing telephone network connection terminal connected to an existing telephone network, wherein the plurality of asynchronous transfer mode networks connected to the asynchronous transfer mode network and connected to the asynchronous transfer mode network The telephone number in the existing telephone network of the existing telephone network connection terminal and the address information assigned by the asynchronous transfer mode network on the asynchronous transfer mode network having the telephone number are stored in association with each other. In addition, the asynchronous transfer mode network of at least one telephone network gateway connecting communication between the existing telephone network connection terminal on the asynchronous transfer mode network and the existing telephone network connection terminal connected to the existing telephone network Accumulate at least the address information and the identification information assigned in the asynchronous transfer mode network, When the existing telephone network connection terminal on the transfer mode network or the other telephone network gateway makes a call connection to the existing telephone network connection terminal connected to the existing telephone network, the telephone network gateway or the existing telephone network connection terminal has In response to an inquiry about address information assigned in the asynchronous transfer mode network corresponding to a connection destination telephone number based on a telephone number in an existing telephone network, the asynchronous transfer of the selected telephone network gateway is performed by selecting the telephone network gateway. Server means for notifying the address information allocated in the mode network, wherein the existing telephone network connection terminal on the asynchronous transfer mode network is a connection destination telephone number based on a telephone number in the existing telephone network of the existing telephone network connection terminal. To the telephone network gateway, wherein the telephone network gateway comprises: Means connected to the asynchronous transfer mode network and the existing telephone network, for notifying the other telephone network gateway of a connection destination telephone number based on a telephone number in the existing telephone network of the existing telephone network connection terminal; In the communication connection processing from the existing telephone network connection terminal on the asynchronous transfer mode network connected to the transfer mode network and the other telephone network gateway to the existing telephone network connection terminal connected to the existing telephone network, the asynchronous A call arriving through the asynchronous transfer mode network from the existing telephone network connection terminal on the transfer mode network and the other telephone network gateway, and receiving the call; On the asynchronous transfer mode network notified from the other telephone network gateway to which the incoming connection was made or from the server means A telephone number in the existing telephone network to which the existing telephone network connection terminal and the other telephone network gateway are connected is received, and the received existing telephone network connection terminal and the connection destination of the other telephone network gateway on the asynchronous transfer mode network are received. A call is made to the existing telephone network with a telephone number in the existing telephone network, from the existing telephone network connection terminal on the asynchronous transfer mode network with the incoming connection and the other telephone network gateway with the incoming connection, An existing telephone network connection processing means for performing a communication connection process to the existing telephone network connection terminal connected after making a call on the existing telephone network, wherein the asynchronous transfer mode of the existing telephone network connection terminal is provided. Connection between the network and the existing telephone network. 2. An existing telephone network connection terminal that performs communication service by connecting to an existing telephone network is connected to the asynchronous transfer mode network and is used on an asynchronous transfer mode network connected to the asynchronous transfer mode network. A telephone network connection terminal,
A connection method for connecting and using an existing telephone network connection terminal connected to an existing telephone network, wherein the plurality of asynchronous transfer mode networks connected to the asynchronous transfer mode network and connected to the asynchronous transfer mode network The telephone number in the existing telephone network of the existing telephone network connection terminal and the address information assigned by the asynchronous transfer mode network on the asynchronous transfer mode network having the telephone number are stored in association with each other. In addition, the asynchronous transfer mode network of at least one telephone network gateway connecting communication between the existing telephone network connection terminal on the asynchronous transfer mode network and the existing telephone network connection terminal connected to the existing telephone network Accumulate at least the address information and the identification information assigned in the asynchronous transfer mode network, When the existing telephone network connection terminal on the transfer mode network or the other telephone network gateway makes a call connection to the existing telephone network connection terminal connected to the existing telephone network, the telephone network gateway or the existing telephone network connection terminal has In response to an inquiry about address information assigned in the asynchronous transfer mode network corresponding to a connection destination telephone number based on a telephone number in an existing telephone network, the asynchronous transfer of the selected telephone network gateway is performed by selecting the telephone network gateway. Server means for notifying the address information allocated in the mode network, wherein the existing telephone network connection terminal on the asynchronous transfer mode network is a connection destination telephone number based on a telephone number in the existing telephone network of the existing telephone network connection terminal. To the telephone network gateway, wherein the telephone network gateway comprises: Connected to the asynchronous transfer mode network and the existing telephone network, and in connection processing with the existing telephone network connection terminal on the asynchronous transfer mode network and the other telephone network gateway, connecting to the existing telephone network on the asynchronous transfer mode network of the connection destination. Making an inquiry to the server means based on the telephone number in the existing telephone network that the terminal and the other telephone network gateway have,
Address information assigned by the server means in the asynchronous transfer mode network corresponding to a telephone number in the existing telephone network of the existing telephone network of the connection destination and the existing telephone network of the other telephone network gateway of the connection destination. A translation address inquiry means for receiving, an existing telephone network connection terminal on the asynchronous transfer mode network connected to the asynchronous transfer mode network from the existing telephone network connection terminal connected to the existing telephone network, and the other telephone network In the communication connection processing to the gateway, a call from the telephone network connection terminal coming from the existing telephone network is incoming-connected, and the connection destination of the telephone network connection terminal notified from the telephone network connection terminal with the incoming connection Receiving the telephone number in the existing telephone network, and receiving the telephone number in the existing telephone network to which the telephone network connection terminal is connected. Is assigned as the telephone number in the existing telephone network of the existing telephone network connection terminal and the other telephone network gateway on the asynchronous transfer mode network of the connection destination in the asynchronous transfer mode network corresponding to the telephone number of the connection destination. The obtained address information is obtained from the server means by the translated address inquiry means, and a call is made to the asynchronous transfer mode network based on the obtained address information allocated in the asynchronous transfer mode network, and From the existing telephone network connection terminal to the existing telephone network connection terminal on the asynchronous transfer mode network and the other telephone network gateway connected after calling the asynchronous transfer mode network. Transfer mode network connection processing means, and a connection destination based on a telephone number in the existing telephone network of the existing telephone network connection terminal Means for notifying a telephone number to the other telephone network gateway; connecting to the existing telephone network from the existing telephone network connection terminal on the asynchronous transfer mode network connected to the asynchronous transfer mode network and the other telephone network gateway. In the communication connection process to the existing telephone network connection terminal, the incoming call from the existing telephone network connection terminal and the other telephone network gateway on the asynchronous transfer mode network via the asynchronous transfer mode network is terminated and connected, The existing telephone network connection terminal on the asynchronous transfer mode network with the incoming connection and the existing telephone network connection terminal on the asynchronous transfer mode network notified from the other telephone network gateway or the server means with the incoming connection; A telephone number in the existing telephone network to which another telephone network gateway is connected is received, and the received asynchronous transfer mode is received. A call is made to the existing telephone network with a telephone number in the existing telephone network to which the existing telephone network connection terminal and the other telephone network gateway are connected on the existing telephone network, and the call is already established on the asynchronous transfer mode network with the incoming connection. Existing telephone network connection processing for performing communication connection processing from the telephone network connection terminal and the other telephone network gateway having the incoming connection to the existing telephone network connection terminal connected after calling on the existing telephone network Means for connecting between an asynchronous transfer mode network of an existing telephone network connection terminal and an existing telephone network. 3. An existing terminal on an asynchronous transfer mode network connected to the asynchronous transfer mode network according to a connection method in which an existing telephone network connection terminal performing communication service by connecting to the existing telephone network is connected to the asynchronous transfer mode network. A telephone network connection terminal,
A connection method for connecting and using an existing telephone network connection terminal connected to an existing telephone network, wherein the plurality of asynchronous transfer mode networks connected to the asynchronous transfer mode network and connected to the asynchronous transfer mode network The telephone number in the existing telephone network of the existing telephone network connection terminal and the address information assigned by the asynchronous transfer mode network on the asynchronous transfer mode network having the telephone number are stored in association with each other. In addition, the asynchronous transfer mode network of at least one telephone network gateway connecting communication between the existing telephone network connection terminal on the asynchronous transfer mode network and the existing telephone network connection terminal connected to the existing telephone network Accumulate at least the address information and the identification information assigned in the asynchronous transfer mode network, When the existing telephone network connection terminal on the transfer mode network or the other telephone network gateway makes a call connection to the existing telephone network connection terminal connected to the existing telephone network, the telephone network gateway or the existing telephone network connection terminal has In response to an inquiry about address information assigned in the asynchronous transfer mode network corresponding to a connection destination telephone number based on a telephone number in an existing telephone network, the asynchronous transfer of the selected telephone network gateway is performed by selecting the telephone network gateway. Server means for notifying the address information allocated in the mode network, wherein the existing telephone network connection terminal on the asynchronous transfer mode network is a connection destination telephone number based on a telephone number in the existing telephone network of the existing telephone network connection terminal. To the telephone network gateway, wherein the telephone network gateway comprises: When the telephone network gateway is connected to the asynchronous transfer mode network and the existing telephone network, and the telephone network gateway is connected to the asynchronous transfer mode network, the telephone number in the existing telephone network of the own gateway and the telephone number assigned by the asynchronous transfer mode network are assigned. Address transfer means for transferring at least the address information of the address information and the identification information of the own gateway to the server means, the address information being assigned by the asynchronous transfer mode network and the identification information of the own gateway; Upon connection processing with the existing telephone network connection terminal and the other telephone network gateway, the connection is performed based on the telephone number in the existing telephone network of the existing telephone network connection terminal on the asynchronous transfer mode network of the connection destination and the other telephone network gateway. Inquires the server means,
Address information assigned by the server means in the asynchronous transfer mode network corresponding to a telephone number in the existing telephone network of the existing telephone network of the connection destination and the existing telephone network of the other telephone network gateway of the connection destination. A translation address inquiry means for receiving, an existing telephone network connection terminal on the asynchronous transfer mode network connected to the asynchronous transfer mode network from the existing telephone network connection terminal connected to the existing telephone network, and the other telephone network In the communication connection processing to the gateway, a call from the telephone network connection terminal coming from the existing telephone network is incoming-connected, and the connection destination of the telephone network connection terminal notified from the telephone network connection terminal with the incoming connection Receiving the telephone number in the existing telephone network, and receiving the telephone number in the existing telephone network to which the telephone network connection terminal is connected. Is assigned as the telephone number in the existing telephone network of the existing telephone network connection terminal and the other telephone network gateway on the asynchronous transfer mode network of the connection destination in the asynchronous transfer mode network corresponding to the telephone number of the connection destination. The obtained address information is obtained from the server means by the translated address inquiry means, and a call is made to the asynchronous transfer mode network based on the obtained address information allocated in the asynchronous transfer mode network, and From the existing telephone network connection terminal to the existing telephone network connection terminal on the asynchronous transfer mode network and the other telephone network gateway connected after calling the asynchronous transfer mode network. Transfer mode network connection processing means, and a connection destination based on a telephone number in the existing telephone network of the existing telephone network connection terminal Means for notifying a telephone number to the other telephone network gateway; connecting to the existing telephone network from the existing telephone network connection terminal on the asynchronous transfer mode network connected to the asynchronous transfer mode network and the other telephone network gateway. In the communication connection process to the existing telephone network connection terminal, the incoming call from the existing telephone network connection terminal and the other telephone network gateway on the asynchronous transfer mode network via the asynchronous transfer mode network is terminated and connected, The existing telephone network connection terminal on the asynchronous transfer mode network with the incoming connection and the existing telephone network connection terminal on the asynchronous transfer mode network notified from the other telephone network gateway or the server means with the incoming connection; A telephone number in the existing telephone network to which another telephone network gateway is connected is received, and the received asynchronous transfer mode is received. A call is made to the existing telephone network with a telephone number in the existing telephone network to which the existing telephone network connection terminal and the other telephone network gateway are connected on the existing telephone network, and the call is already established on the asynchronous transfer mode network with the incoming connection. Existing telephone network connection processing for performing communication connection processing from the telephone network connection terminal and the other telephone network gateway having the incoming connection to the existing telephone network connection terminal connected after calling on the existing telephone network Means for connecting between an asynchronous transfer mode network of an existing telephone network connection terminal and an existing telephone network. 4. The telephone network gateway, wherein the asynchronous address corresponding to a telephone number in the existing telephone network of the existing telephone network connection terminal on the asynchronous transfer mode network and the other telephone network gateway received by the translation address inquiry means. A destination address storage unit that stores the address information assigned in the transfer mode network in association with the telephone number and the address information, wherein the translation address inquiry unit is connected to the asynchronous transfer mode network. In connection processing to the existing telephone network connection terminal and the other telephone network gateway on the other party's asynchronous transfer mode network, the destination address storage means is searched by the other party's telephone number, and the other party's asynchronous transfer mode network is searched. The address information of the existing telephone network connection terminal and the other telephone network gateway is already stored. In this case, the address information of the search output is received, and if the address information of the existing telephone network connection terminal and the other telephone network gateway on the other party's asynchronous transfer mode network is not stored, an inquiry is made to the server means. 3. The method according to claim 2, wherein
4. The connection method between an asynchronous transfer mode network of an existing telephone network connection terminal and an existing telephone network according to claim 3.