JP2012114602A - Communication device, communication system, and operation control method used therefor - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a communications device capable of performing response confirmation of a partner 3G terminal, application automatic start of the partner 3G terminal, and transition to a data communication mode by single communication means.SOLUTION: A communications device (AP server 5) includes a first connection circuit (51) which performs audio transmission/reception with a mobile terminal, a second connection circuit (52) which performs packet data connection with the mobile terminal, an address book managing circuit (53) which manages an address book for calling the mobile terminal, and a switching control circuit (54) which switches between the first connection circuit and the second connection circuit to connect the mobile terminal to a partner mobile terminal. The first connection circuit performs the audio transmission to the standby mobile terminal, and just after that, the second connection circuit switches to the packet data connection to shift to data communication.

Description

  The present invention relates to a communication device, a communication system, and an operation control method used for the communication device, and more particularly, to an IMT-2000 (International Mobile Telecommunications 2000) standard, that is, a third generation digital mobile phone (3G terminal). The present invention relates to a mechanism for automatically shifting from voice communication to data communication with a communication device using a call function.

  In a mobile phone terminal device related to the present invention, in particular, a PDC (personal digital cellular) mobile phone of ARIB (Association of Radio Industries and Businesses) standard, that is, a second generation digital mobile phone, a data communication function and The voice communication function is separated.

  On the other hand, in the technique described in Patent Document 1 below, it is possible to provide a telephone terminal device capable of performing voice confirmation by switching from analog voice communication to digital data communication with one communication means.

JP 2004-48413 A

  However, the IMT-2000 3G terminal, which is the next generation of PDC, does not support the transition from the voice communication function to the data communication function in one communication means.

  For this reason, when making a request for transition to digital data communication from the connecting device to the 3G terminal, after a prior call in a voice call, hang up once and then call the packet manually from the 3G terminal side, or 3G terminal It is necessary to have the app always running on the side.

  In the former case, there is an extra procedure for the user to perform a voice call in advance, and it is necessary to end the call once after the meeting call, so if the other connection is interrupted after the call ends, data communication is carried out The problem of becoming impossible occurs.

  In the latter case, if the application is always activated on the 3G terminal, the power consumption of the 3G terminal increases, and thus there is a problem that it cannot be used for a long time.

  Therefore, the object of the present invention is to solve the above-mentioned problems, and to confirm the response of the other party 3G terminal, automatically activate the application of the other party 3G terminal, and shift to the data communication mode with one communication means. A communication device, a communication system, and an operation control method used therefor are provided.

The communication device according to the present invention realizes encrypted communication with a mobile terminal connected to a first communication network and is connected to a second communication network having a protocol different from that of the first communication network. A device,
Communication protocol conversion means for converting a communication protocol between the first and second communication networks, switching means for switching from voice communication to data communication for the portable terminal, and encryption communication between the portable terminal and And encryption communication connection means for performing connection.

Other communication devices according to the present invention include:
A first connection circuit for making and receiving voice calls to and from the mobile terminal;
A second connection circuit for performing packet data connection to the mobile terminal;
An address book management circuit for performing address book management for making a call to the mobile terminal;
A switching control circuit for switching the first connection circuit and the second connection circuit to connect the portable terminal to the counterpart portable terminal;
Voice transmission is performed by the first connection circuit to the mobile terminal in standby, and immediately after that, the packet data connection is switched by the second connection circuit to shift to data communication.

  A communication system according to the present invention includes the communication device described above.

The operation control method according to the present invention realizes encrypted communication with a mobile terminal connected to a first communication network and is connected to a second communication network having a protocol different from that of the first communication network. An operation control method used for a communication device,
A communication protocol conversion process in which the communication device converts a communication protocol between the first and second communication networks; a switching process for switching from voice communication to data communication for the mobile terminal; and the mobile terminal. The encryption communication connection processing for performing the encryption communication connection is executed.

Other operation control methods according to the present invention include:
In communication equipment,
A first connection circuit for making and receiving voice calls to and from the mobile terminal;
A second connection circuit for performing packet data connection to the mobile terminal;
An address book management circuit for performing address book management for making a call to the mobile terminal;
A switching control circuit for switching the first connection circuit and the second connection circuit to connect the portable terminal to the counterpart portable terminal;
In the communication device, voice transmission is performed in the first connection circuit to the mobile terminal on standby, and immediately after that, switching to packet data connection is performed in the second connection circuit to shift to data communication. .

  In the present invention, with the configuration and operation as described above, the response confirmation of the other party 3G terminal, the automatic application activation of the other party 3G terminal, and the transition to the data communication mode can be performed by one communication means. The effect that it can be obtained.

It is a block diagram which shows the structural example of the communication apparatus by embodiment of this invention. It is a block diagram which shows the structural example of the communication system by this invention. It is a sequence chart which shows operation | movement of the communication system by embodiment of this invention. It is a sequence chart which shows operation | movement of the communication system by embodiment of this invention.

  Next, embodiments of the present invention will be described with reference to the drawings. First, an outline of a communication apparatus according to the present invention will be described. The communication device according to the present invention automatically switches the voice signal communication to the data signal communication by one communication means in the 3G terminal (third generation digital mobile phone), thereby confirming the response of the other party 3G terminal. The automatic application activation of the side 3G terminal and the transition to the data communication mode can be carried out by one communication means.

  The present invention provides cryptographic communication between a 3G terminal connected to a first communication network and a communication device connected to a second communication network having a protocol different from that of the first communication network. It is a communication system.

  The communication apparatus according to the present invention includes a communication protocol conversion unit that performs communication protocol conversion between the first and second communication networks, and a switching unit that performs switching from voice communication to data communication for the 3G terminal in the communication system. And cryptographic connection means for performing connection by cryptographic communication with a 3G terminal.

  The communication system according to the present invention is configured to be able to communicate with a communication device via a first communication network and includes a data communication function and a voice communication function, and a connection is permitted to the communication device and the 3G terminal. An authentication device that determines whether the terminal is a connected terminal, a voice relay gateway (GW) that performs data relay between 3G terminals or between a 3G terminal and a data information terminal, and between the 3G terminal and the communication device And a key distribution device that distributes information for encrypted communication.

  The communication apparatus performs a first connection circuit that performs voice transmission to the 3G terminal, a second connection circuit that performs data communication between the 3G terminals, and address book management for making a call to the 3G terminal. A first connection circuit for making a voice call to the partner 3G terminal from the address book management circuit to be performed and an address book management circuit for managing the telephone number of the partner 3G terminal to be connected in response to a call request from the outside Switching control for switching to the second connection circuit (packet data connection) for responding to the packet call from the counterpart 3G terminal after the first connection circuit (voice connection) makes a call by voice Circuit.

  Here, the switching control circuit includes a first connection circuit that performs voice call to a 3G terminal that is standing by using a voice network, and a call by data communication from the 3G terminal that has received a voice call. In this case, it is set to any one of the second connection circuits that perform connection in the data connection mode. Thus, in the present invention, communication can be performed by automatically switching from the voice communication mode to the data communication mode with the same 3G terminal.

  In the present invention, first, it is confirmed whether or not the other party 3G terminal can receive the call in the voice communication mode. After the other party 3G terminal receives the call, the other party 3G terminal starts the encryption communication application and enters the data communication mode. By reconnecting to the communication device, the response confirmation of the partner 3G terminal, the application activation of the partner 3G terminal, and the reconnection using the data communication mode can be performed in one continuous procedure.

  FIG. 1 is a block diagram showing a configuration example of a communication apparatus according to an embodiment of the present invention. FIG. 1 shows functional blocks of an AP (application) server that performs connection processing.

  In FIG. 1, the AP server 5 includes a connection circuit (# 1) 51, a connection circuit (# 2) 52, an address book management circuit 53, a switching control circuit 54, and a LAN (Local Area Network) interface 55. It is configured.

  The connection circuit (# 1) 51 is a circuit that makes a call via the voice network 30, and the connection circuit (# 2) 52 is a circuit that performs data communication with the 3G terminal via the 3G network 20. The address book management circuit 53 is a circuit for storing an address book of a 3G terminal that can make a call and managing a number.

  The switching control circuit 54 is connected to the LAN 40 via the LAN interface 55 and switches the connection circuit (# 1) 51 and the connection circuit (# 2) 52 to connect to the LAN 40. The switching control circuit 54 relays the information of the address book management circuit 53 to the connection circuit (# 1) 51.

  FIG. 2 is a block diagram showing a configuration example of a communication system according to the present invention. In FIG. 2, the 3G terminal 1 (calling side) is connected to the voice relay GW 3 via the 3G network 10 which is an IMT-2000 (International Mobile Telecommunications 2000) network.

  This voice relay GW 3 is connected between the 3G terminal 1 connected via the 3G network 10 and the 3G terminal 2 (incoming side) connected via the 3G network 20, and terminates the protocol (encryption scheme) and the voice. It is a communication device for protocol conversion that performs relay.

  It is possible to relay the communication section of the 3G terminal 1 and the communication section of the 3G terminal 2 having different encryption schemes by the voice relay GW 3 which is this protocol conversion communication device.

  A RADIUS (Remote Authentication Dial-In User Service) server 4 is an authentication server for the 3G terminal 1 to access the LAN 40.

  The AP server 5 is an application server for connecting the 3G terminal 1 and the 3G terminal 2 to the LAN 40 via the voice network 30 and the 3G networks 10 and 20, and the key distribution server 6 includes the 3G terminal 1 and the voice relay GW 3 And a server that distributes information necessary for encrypted communication between the 3G terminal 2 and the voice relay GW 3.

  3 and 4 are sequence charts showing the operation of the communication system according to the embodiment of the present invention. The operation of the communication system according to the embodiment of the present invention will be described with reference to FIGS.

  First, in this embodiment, the system shown in FIGS. 1 and 2 is constructed, and an application for encryption communication (hereinafter referred to as an application) is installed in advance in the 3G terminal 1 and the 3G terminal 2. In the first stage, the 3G terminal 1 and the 3G terminal 2 are not connected to the LAN 40 (101 in FIG. 3).

  When the user of the 3G terminal 1 manually activates and executes the application on the 3G terminal 1, the 3G terminal 1 connects to the LAN 40 with an IP (Internet Protocol). The 3G terminal 1 performs terminal authentication with the RADIUS server 4 and, when authenticated by the terminal authentication, can access the AP server 5 (102 in FIG. 3).

  The 3G terminal 1 makes a key exchange request between the 3G terminal 1 and the AP server 5 to the AP server 5. The AP server 5 acquires key information from the key distribution server 6, implements a key (hereinafter referred to as key (A)) with the 3G terminal 1, and shifts to a connection by encrypted communication (103 in FIG. 3). ).

  The 3G terminal 1 requests the address book database from the address book management circuit 53 in the AP server 5. The AP server 5 encrypts the address book it owns with the “key (A)” and sends it to the 3G terminal 1 (104 in FIG. 3).

  Thereby, in the 3G terminal 1, a list of address books is displayed on the screen. When the user of the 3G terminal 1 selects the number of the 3G terminal 2 that is the connection destination from the address book list, the 3G terminal 1 makes a call (INVITE) to the AP server 5 and the destination of the 3G terminal 2 Information (identification IP address) is passed (105 in FIG. 3).

  Based on the destination information transmitted from the 3G terminal 1, the AP server 5 obtains registration information (started state [started / stopped], connected state [connected / not connected], identification [phone number]) of the 3G terminal 2. (106 in FIG. 3).

  The AP server 5 identifies the current registration information of the 3G terminal 2 (activated state [stopped], connected state [not connected]), and makes a one-call call to the 3G terminal 2 via the voice network 30 via a voice call. (107 in FIG. 3).

  The 3G terminal 2 is activated when receiving an incoming voice call. At this time, the 3G terminal 2 starts the application with a one-call call as a trigger (108 in FIG. 3).

  When the 3G terminal 2 starts and executes the application, the 3G terminal 2 makes an IP connection to the LAN 40. The 3G terminal 2 performs terminal authentication with the RADIUS server 4 and, when authenticated by the terminal authentication, can access the AP server 5 (109 in FIG. 3).

  The 3G terminal 2 makes a key exchange request between the 3G terminal 2 and the AP server 5 to the AP server 5. The AP server 5 acquires key information from the key distribution server 6, implements a key (hereinafter referred to as a key (B)) with the 3G terminal 2, and shifts to a connection by encrypted communication (110 in FIG. 4). ).

  The 3G terminal 2 transmits a line establishment notification to the AP server 5. The AP server 5 recognizes the line establishment notification from the 3G terminal 2, and notifies the connection port to the voice data GW3, 3G terminal 1, and 3G terminal 2 (111 in FIG. 4).

  The audio data GW2 performs port connection with the 3G terminal 1 and the 3G terminal 2, respectively. At this time, the communication system of 3G terminal 1-voice data GW3-3G terminal 2 is established (112 in FIG. 4).

  The AP server 5 instructs the 3G terminal 2 to ring the ringing tone. In response to the request, the 3G terminal 2 rings a ring tone within the application of the 3G terminal 2 (113 in FIG. 4).

  When the user of the 3G terminal 2 responds (off-hook) after listening to the ring tone of the 3G terminal 2, the 3G terminal 2 transmits a response completion notification to the AP server 5. Thereafter, the AP server 5 transmits a response completion notification to the 3G terminal 1, and encryption communication is enabled between the 3G terminal 1 and the 3G terminal 2 (114 in FIG. 4).

  At this time, the communication between the 3G terminal 1 and the voice data GW3 is encrypted with “key (A)”, and the communication between the 3G terminal 2 and the voice data GW3 is encrypted with “key (B)”. Thus, the opposite communication is realized by decoding / encoding / encoding / decoding the mutual encryption with the audio data GW2.

  As described above, in this embodiment, when a connection is made to a corresponding mobile phone (during standby), a reliable instruction can be given to the other party by voice call (one call) from the AP server 5. It is possible to prevent a situation in which the side terminal cannot communicate in an unprepared state.

  In the present embodiment, the voice network 30 can be immediately disconnected and switched to the data communication mode using the 3G network 20 after the voice call, so that the data communication mode can be used without using an extra communication line. Data communication can be performed by automatically switching to

  As described above, in this embodiment, communication can be performed by automatically switching from the voice communication mode to the data communication mode with the same 3G terminal, so that no extra operation by the user is required, and the response of the counterpart 3G terminal Confirmation, application automatic activation of the partner 3G terminal, and transition to the data communication mode can be performed by one communication means, and efficient communication can be realized.

  In the present invention, the 3G terminal 1 on the calling side may be a personal computer in addition to a mobile phone having a data communication function using a wireless LAN as long as it is a terminal capable of IP connection to the LAN 40. In addition, when the mode is shifted to the data communication mode, it is not limited to voice communication, and transmission / reception of mail and image data is also possible.

  A part or all of the above embodiment can be described as in the following supplementary notes, but is not limited to the following description.

[Appendix 1]
In communication equipment,
A first connection circuit for making and receiving voice calls to and from the mobile terminal;
A second connection circuit for performing packet data connection to the mobile terminal;
An address book management circuit for performing address book management for making a call to the mobile terminal;
A switching control circuit for switching the first connection circuit and the second connection circuit to connect the portable terminal to the counterpart portable terminal;
In the communication device, voice transmission is performed in the first connection circuit to the mobile terminal that is on standby, and immediately after that, the packet data connection is switched in the second connection circuit to shift to data communication,
In response to a call request from the outside, the switching control circuit makes a voice call to the partner mobile terminal from the address book management circuit that manages the phone number of the partner mobile terminal to be connected. An operation control method comprising relaying to a first connection circuit.

[Appendix 2]
In communication equipment,
A first connection circuit for making and receiving voice calls to and from the mobile terminal;
A second connection circuit for performing packet data connection to the mobile terminal;
An address book management circuit for performing address book management for making a call to the mobile terminal;
A switching control circuit for switching the first connection circuit and the second connection circuit to connect the portable terminal to the counterpart portable terminal;
In the communication device, voice transmission is performed in the first connection circuit to the mobile terminal that is on standby, and immediately after that, the packet data connection is switched in the second connection circuit to shift to data communication,
The switching control circuit switches from the first connection circuit to the second connection circuit in order to respond to a packet call from the counterpart portable terminal after making a voice call in the first connection circuit. An operation control method characterized by the above.

[Appendix 3]
The switching control circuit switches from the first connection circuit to the second connection circuit in order to respond to a packet call from the counterpart portable terminal after making a voice call in the first connection circuit. The operation control method according to supplementary note 1, wherein:

[Appendix 4]
In communication equipment,
A first connection circuit for making and receiving voice calls to and from the mobile terminal;
A second connection circuit for performing packet data connection to the mobile terminal;
An address book management circuit for performing address book management for making a call to the mobile terminal;
A switching control circuit for switching the first connection circuit and the second connection circuit to connect the portable terminal to the counterpart portable terminal;
In the communication device, voice transmission is performed in the first connection circuit to the mobile terminal that is on standby, and immediately after that, the packet data connection is switched in the second connection circuit to shift to data communication,
The operation control method, wherein the switching control circuit relays to a LAN (Local Area Network) network after connecting to the portable terminal by packet connection in the second connection circuit.

[Appendix 5]
The supplementary control circuit according to any one of supplementary notes 1 to 3, wherein the switching control circuit relays to a LAN (Local Area Network) network after connecting to the portable terminal by packet connection in the second connection circuit. Operation control method.

[Appendix 6]
In communication equipment,
A first connection circuit for making and receiving voice calls to and from the mobile terminal;
A second connection circuit for performing packet data connection to the mobile terminal;
An address book management circuit for performing address book management for making a call to the mobile terminal;
A switching control circuit for switching the first connection circuit and the second connection circuit to connect the portable terminal to the counterpart portable terminal;
In the communication device, voice transmission is performed in the first connection circuit to the mobile terminal that is on standby, and immediately after that, the packet data connection is switched in the second connection circuit to shift to data communication,
The mobile terminal is configured to be capable of communicating with a counterpart terminal via a mobile phone communication network, and is a 3GPP (Third Generation Partnership Projects) standard terminal having a packet data communication function and a voice communication function. Motion control method.

[Appendix 7]
The mobile terminal is configured to be capable of communicating with a counterpart terminal via a mobile phone communication network, and is a 3GPP (Third Generation Partnership Projects) standard terminal having a packet data communication function and a voice communication function. The operation control method according to any one of appendix 1 to appendix 5.

1, 2 3G terminal 3 Voice relay GW
4 RADIUS server 5 AP server 6 Key distribution server 10 3G network 20 3G network 30 Voice network 40 LAN
51 Connection circuit (# 1)
52 Connection circuit (# 2)
53 Address Book Management Circuit 54 Switching Control Circuit 55 LAN Interface

Claims (9)

A communication device for realizing encrypted communication with a mobile terminal connected to a first communication network and connected to a second communication network having a protocol different from that of the first communication network,
Communication protocol conversion means for converting a communication protocol between the first and second communication networks, switching means for switching from voice communication to data communication for the portable terminal, and encryption communication between the portable terminal and An encryption communication connection means for performing connection. A first connection circuit for making and receiving voice calls to and from the mobile terminal;
A second connection circuit for performing packet data connection to the mobile terminal;
An address book management circuit for performing address book management for making a call to the mobile terminal;
A switching control circuit for switching the first connection circuit and the second connection circuit to connect the portable terminal to the counterpart portable terminal;
A communication apparatus that performs voice transmission with the first connection circuit to a mobile terminal that is on standby, and immediately after that, switches to packet data connection with the second connection circuit and shifts to data communication. .   In response to a call request from the outside, the switching control circuit makes a voice call to the partner mobile terminal from the address book management circuit that manages the phone number of the partner mobile terminal to be connected. The communication apparatus according to claim 2, wherein the communication apparatus relays to the first connection circuit.   The switching control circuit switches from the first connection circuit to the second connection circuit in order to respond to a packet call from the counterpart portable terminal after making a voice call in the first connection circuit. The communication apparatus according to claim 2 or claim 3, wherein   5. The switching control circuit according to claim 2, wherein the switching control circuit relays to a LAN (Local Area Network) network after being connected to the mobile terminal by packet connection in the second connection circuit. The communication device described.   The mobile terminal is configured to be capable of communicating with a counterpart terminal via a mobile phone communication network, and is a 3GPP (Third Generation Partnership Projects) standard terminal having a packet data communication function and a voice communication function. The communication device according to any one of claims 1 to 5.   A communication system comprising the communication device according to any one of claims 1 to 6. An operation control method used for a communication apparatus that realizes cryptographic communication with a mobile terminal connected to a first communication network and is connected to a second communication network having a protocol different from that of the first communication network. There,
A communication protocol conversion process in which the communication device converts a communication protocol between the first and second communication networks; a switching process for switching from voice communication to data communication for the mobile terminal; and the mobile terminal. And a cryptographic communication connection process for performing cryptographic communication connection between the two. In communication equipment,
A first connection circuit for making and receiving voice calls to and from the mobile terminal;
A second connection circuit for performing packet data connection to the mobile terminal;
An address book management circuit for performing address book management for making a call to the mobile terminal;
A switching control circuit for switching the first connection circuit and the second connection circuit to connect the portable terminal to the counterpart portable terminal;
In the communication apparatus, voice transmission is performed in the first connection circuit to the mobile terminal in standby, and immediately after that, switching to packet data connection is performed in the second connection circuit to shift to data communication. A characteristic operation control method.

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