JP2000209283A - Internet communication system - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a system with which more efficient Internet phone calls can be made by utilizing user-user information(UUI) of an integrated services digital network ISDN service. SOLUTION: When an analog terminal 1a makes an Internet phone call request and dials a number of an opposite communication unit 2b, a communication unit 2a uses UUI of a D-channel of an ISDN 3, to inform the opposite communication unit 2v of an Internet telephone connection request by means of the UUI. The opposite side communication unit 2b stores the information transmitted in terms of the UUI to a memory of itself and processes the information. When the Internet communication is conducted, the communication unit 2b connects with a provider 4b through dialup connection and informs the caller side communication unit 2a of the IP address in terms of the UUI. Then the connection via the Internet 5 is established through IP routing on the basis of the IP address of the communication unit 2b.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an Internet communication system, and more particularly to an integrated services digital network (IS).
The present invention relates to an Internet communication system that enables Internet telephone calls using user / user information (UUI) of a DN) service.

[0002]

2. Description of the Related Art Conventionally, in order to make a call using Internet communication, information such as an IP address is exchanged once with a partner communication device using a line to exchange information, and then the line is once exchanged. Disconnect and dial again to communicate via the Internet, and use two or more lines to exchange information such as IP addresses on one line while connecting to Internet communication on another line At the time when the Internet communication was established, a method of disconnecting the line for exchanging information was considered.

[0003] At present, many users use the Internet by dial-up connection. Unlike a leased line connection, a dial-up connection requires an IP address to be determined. After obtaining the IP address, negotiation between the communication devices is required.

[0004]

For this reason, conventionally, there is a problem that one line is exclusively used for exchanging information such as an IP address necessary for Internet communication, and a connection to the Internet is established through a dial-up connection. Internet communication between users who perform communication requires a negotiation between communication devices after connecting to a provider and obtaining an IP address.

[0005] The present invention has been made in view of the above points,
An object of the present invention is to provide an Internet communication system that enables more efficient Internet telephone calls by using user / user information (UUI) of an ISDN service.

[0006]

In order to achieve the above object, the present invention provides a plurality of communication devices individually connected to an analog terminal, an ISDN network connected to the plurality of communication devices, and a plurality of communication devices. And ISD
One or more providers that can be connected by N network,
An outgoing communication device having an Internet network connected to the provider and wishing to communicate among the plurality of communication devices is connected to the other communication device via the Internet telephone by using the user / user information of the D channel of the ISDN network. Makes a request, and the other party's communication device connects to the provider with which it is subscribed by dial-up connection, obtains an IP address, notifies the calling communication device, and receives the notified calling device. Establishes a connection via the Internet based on the notified IP address after connecting to the provider with which the user has subscribed by dial-up connection and obtaining his / her own IP address. Communication between analog terminals is performed.

According to the present invention, notification of information (such as an IP address) necessary for making an Internet telephone call via an Internet network with an analog terminal (an analog terminal connected to the other party) connected to the other party's communication apparatus is transmitted to the D channel of the ISDN network. Since the user information (UUI) is used, the line is not occupied by information exchange such as an IP address necessary for Internet communication.

[0008]

Next, an embodiment of the present invention will be described with reference to the drawings. FIG. 1 shows a system configuration diagram of an embodiment of the Internet communication system according to the present invention. In the figure, communication devices 2a and 2b are ISD
It is a device that can accommodate the analog terminals 1a and 1b that can be connected to the N network 3, and is a device that can transmit and receive data using the user / user information (UUI) of the D channel message of the ISDN network 3. In addition, the communication devices 2a, 2b
Has subscribed to the providers 4a and 4b, and can use the Internet network 5 as a communication network by dial-up connection.

[0009] The providers 4a and 4b can be connected by the ISDN network 3, and when a connection is requested by a contractor, an ID indicating an account and a password are set for each ID. And one of the IP addresses possessed by the providers 4a and 4b is assigned to the contractor who has requested connection, and the contractor is notified of the IP address.

FIG. 2 is a block diagram showing one embodiment of the communication devices 2a and 2b. Since the configurations of the communication device 2a and the communication device 2b are the same, the communication device 2a will be described as an example.

In FIG. 2, a communication device 2a is an ISDN
ISDN line interface circuit 21 connected to network 3
And a control circuit 22 controlled by a program, and an analog interface circuit 2 for connecting the analog terminal 1a.
5, a modem circuit 24 for establishing communication with the analog terminal 1a, and a memory 23 for storing UUI information and audio data transmitted via the Internet.

Next, each means in the control circuit 22 will be described. The analog interface circuit control means 221 controls calling and incoming calls with the connected analog terminal 1a. The UUI control unit 222 reads the UUI information stored in the memory 23 and performs control corresponding to the information. In addition, it also performs control for selecting and transmitting information to be notified to the partner communication device from the memory 23.

The call control means 223 controls calling and incoming calls to the ISDN 3 and controls transmission and reception of the UUI of the D channel service of the ISDN 3. The Internet connection control means 224 controls dial-up connection to the provider, notifies the account and password, obtains an IP address and stores it in the memory 23, and establishes communication with the communication apparatus of the other party via the Internet and transmits voice data. Control and control for storing received voice data in the memory 23 are performed.

The analog terminal control means 225 controls transmission / reception of information via the modem circuit 24 to / from the analog terminal with which the analog interface circuit control means 221 has established communication. In addition, control is also performed to transmit the audio data in the memory 23 to the analog terminal 1a.

Next, the operation of this embodiment will be described. When the analog terminal 1a dials the Internet telephone request and the number of the other communication device 2b, the call control means 223 in the communication device 2a uses the D-channel user / user information (UUI) of the ISDN network 3 for the other communication device. 2b is notified of the Internet telephone connection request by UUI (step A1 in FIG. 3).

The partner communication device 2b stores the information sent by UUI in the memory 23 in the own device, analyzes the information by the UUI control means 222, and performs processing. Since this information is an Internet telephone connection request, the communication device 2b determines whether the connected analog terminal 1b can communicate (step A2 in FIG. 3). The notification is made on the UUI, and the process ends (step B1 in FIG. 3). When receiving the unusable information, the communication device 2a ends the process at that time.

If usable, the communication device 2b makes a call to the analog terminal 1b, and determines whether or not to perform Internet communication when a response is received (step A3 in FIG. 3). When the analog terminal 1b does not respond, the communication device 2b notifies the communication device 2a of the non-response by the UUI and ends the process (step C1 in FIG. 3).

When performing Internet communication, the communication device 2b connects to the provider 4b by dial-up connection using the Internet connection control means 224, sends out an account and password, acquires an IP address,
The IP address is notified to the calling-side communication device 2a by UUI (step A4 in FIG. 3).

Communication device 2 that has received the IP address of the other party
First, a connects to the provider 4a through a dial-up connection, sends an account and a password, and obtains an IP address. Thereafter, a connection via the Internet 5 is established by IP routing based on the IP address of the communication device 2b (step A5 in FIG. 3).

The communication devices 2a and 2b are brought into a communication state, and test data is transmitted from the communication device 2a to the communication device 2b. When the communication device 2b receives the test data, the analog terminal 1
b is notified by announcement or sound that the connection has been established (step A6 in FIG. 3). After that, the voice data is transferred via the Internet, and the analog terminal 1
Calls are made at a and 1b (step A7 in FIG. 3).

At the time of disconnection, one of the analog terminals 1a,
Alternatively, upon receiving the disconnection signal from 1b, the communication device receiving the disconnection signal transmits the UUI to the other communication device.
Notification of disconnection by the communication device 2a, 2b
A disconnection signal is sent to the N network 3 to perform disconnection and end the process (step A8 in FIG. 3).

Next, another embodiment of the present invention will be described. In the above-described embodiment, the communication devices 2a and 2b are described as having contracted with the different providers 4a and 4b, but the communication devices 2a and 2b have the same provider 4a.
If you have subscribed to, in step A3 of FIG.
When the communication device 2b determines that the Internet communication is to be performed, the communication device 2a sends the identification information of the partner communication device 2b to the provider 4a by UUI, and the provider 4a
A call is made to the communication device 2b. As a result, a service in which a communication fee is not generated in the communication device 2b is possible, and the provider 4a charges the communication device 2a for a communication fee other than the contract fee for the communication fee between the provider 4a and the communication device 2b.

[0023]

As described above, according to the present invention,
Since a line is not occupied by information exchange such as an IP address necessary for Internet communication, connection to Internet communication can be made if one line is free.

Further, according to the present invention, since exchange of information (IP address and the like) necessary for Internet communication is performed using the user / user information, dial-up connection is performed to connect to the Internet. Internet communication can be performed between existing users.

[Brief description of the drawings]

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

FIG. 2 is a block diagram of an embodiment of the communication device in FIG. 1;

FIG. 3 is a flowchart for explaining the operation of the embodiment of the present invention.

[Explanation of symbols]

 1a, 1b Analog terminal 2a, 2b Communication device 3 ISDN network 4a, 4b Provider 5 Internet network 22 Control circuit 23 Memory 24 Modem circuit 25 Analog interface circuit 221 Analog interface circuit control means 222 UUI control means 223 Call control means 224 Internet connection control Means 225 Analog terminal control means

Continued on front page F term (reference) 5K030 HB01 HC05 HD09 JA07 JA09 JT01 KA06 LB02 5K051 BB01 CC04 GG15 HH02 HH15 HH27 5K101 KK00 LL03 MM06 PP03 TT06 9A001 BB03 BB04 CC04 CC07 DD10 HH18 JJ25 KK56

Claims (6)

[Claims] A plurality of communication devices individually connected to an analog terminal; an ISDN network connected to the plurality of communication devices; and a contract with one of the plurality of communication devices.
Comprising one or more providers that can be connected by an SDN network, and an Internet network connected to the providers;
A calling communication device among the plurality of communication devices that requests communication uses the D-channel user / user information of the ISDN network to make an Internet telephone connection request to a partner communication device. Connect with the provider with which you have contracted by dial-up connection and
The communication device on the calling side obtains an address and notifies the communication device on the calling side, and the communication device on the calling side, having received the notification, connects to the provider contracted by itself through a dial-up connection and establishes its own IP address. An Internet communication system, comprising: establishing a connection via the Internet network based on the IP address notified after acquiring an address, and performing communication between analog terminals connected to each other. 2. Each of the plurality of communication devices includes: an ISDN line interface circuit for connecting to the ISDN network; a control circuit for performing a call connection controlled by a program; an analog interface circuit for the analog terminal; And a modem circuit for establishing communication with the network, and a memory for storing D-channel user / user information of the ISDN network or voice data transmitted via the Internet network. An internet communication system as described. 3. The control circuit according to claim 2, wherein the control circuit controls calling and receiving of the analog terminal connected to the analog terminal, and reads the user / user information stored in the memory. UUI control means for performing control according to user information and reading information to be notified to the other communication device from the memory and transmitting the information to the ISDN network via the ISDN line interface circuit; and calling to the ISDN network. Call control means for controlling incoming calls and controlling the transmission and reception of the user information,
The IP address obtained by making a dial-up connection to the provider is stored in the memory, control for establishing communication with the other communication device via the Internet network and transmitting voice data, and storing the received voice data in the memory. And an analog terminal control unit that controls transmission and reception of information via the modem circuit between the analog terminal that has established communication with the analog interface circuit control unit. The Internet communication system according to claim 2. 4. The communication device on the calling side, wherein the ISDN
The other communication device that has made an Internet telephone connection request using the user information of the D channel of the network determines whether or not the analog terminal connected thereto can communicate,
2. The Internet communication system according to claim 1, wherein when communication is not possible, the effect is notified to the calling communication device. 5. The communication device of the calling side, wherein the communication device of the calling side is the ISDN.
If the analog terminal connected to the partner communication device that has made an Internet telephone connection request using the user information of the D channel of the network does not respond, the partner communication device informs the DDN of the ISDN network. 2. The Internet communication system according to claim 1, wherein the notification is made to the calling communication device using the user information of a channel. 6. When the communication device on the calling side and the communication device on the other end are contracted with the same provider, the communication device on the calling side transmits the IS to the same provider.
2. The communication device according to claim 1, wherein the identification information of the communication device is transmitted by using the user information of the D channel of the DN network, and the same provider makes a call to the communication device. Internet communication system.