WO2007086437A1

WO2007086437A1 - Communication system, wireless communication terminal, and display control method

Info

Publication number: WO2007086437A1
Application number: PCT/JP2007/051101
Authority: WO
Inventors: Masanori Nishimori
Original assignee: Kyocera Corporation
Priority date: 2006-01-27
Filing date: 2007-01-24
Publication date: 2007-08-02
Also published as: KR101035806B1; JP2007201928A; CN101375585B; KR20080091476A; JP4693641B2; CN101375585A

Abstract

In response to a received first call request, an SIP server issues a second call request to call group conversation members corresponding to the first call request and transmits call request reception information representing that the SIP server has received the first call request before transmitting the issued second call request to the group conversation members. According to the received call request reception information, an SMS server includes information in the start message to start an application implementing a group conversation and transmits them to the group conversation members.

Description

Specification

COMMUNICATION SYSTEM, WIRELESS COMMUNICATION TERMINAL, AND DISPLAY CONTROL METHOD

Technical field

[0001] The present invention relates to a communication system in which one radio communication terminal can simultaneously perform a call with a plurality of radio communication terminals, a radio communication terminal used in the communication system, and a display control method. About.

Background art

[0002] In recent years, in a mobile phone system, one wireless communication terminal (such as a mobile phone) can be used as a voice call service that allows a user to make a call (group call) simultaneously with multiple wireless communication terminals like a conventional transceiver. A PTT (push-to-talk) service is provided (see, for example, Patent Document 1). In the PTT service, when a user of one of the multiple wireless communication terminals participating in a group call speaks while pressing the button on the terminal, the other wireless communication terminals participating in the group call are notified. Voice data related to the utterance is sent to the destination.

[0003] By the way, in the PTT service using SIP (Session Initiation Protocol), identification information (member identification information such as telephone numbers, IP addresses, or user names) of a plurality of wireless communication terminals that have already participated in the group call. ) Is displayed on the tip of the other party participating in this group call.

[0004] Specifically, first, any terminal (sending terminal) among a plurality of wireless communication terminals (for example, wireless communication terminals #A, #B, #C) already participating in the group call. ) Sends a call request (INVITE Request) to call the destination terminal not participating in the group call to the SI p server.

[0005] The SIP server generates a call request (INVITE Request) addressed to the destination terminal based on the call request (INVITE Request) received from the calling terminal! The SIP server sends the generated call request (INVITE Request) to the partner terminal after completing the login process such as registering the location of the partner terminal in response to a request from the partner terminal.

[0006] Through this process, the partner terminal receives the call request (INVI received from the SIP server). The member identification information (for example, the telephone numbers and user names of the wireless communication terminals #A, #B, and #C) included in the TE Request) is displayed.

[0007] Patent Document 1: Japanese Translation of Special Publication 2005-535156

Disclosure of the invention

[0008] However, since the other party terminal cannot receive the call request (INVITE Request) from the SIP server unless the login process to the SIP server is completed, the destination terminal executes the login process. The member identification information contained in the call request from the SIP server (INVITE Reque st) cannot be obtained quickly!

[0009] In addition, since the partner terminal is not always in a state where it can communicate with the SIP server, there are cases where the login process to the SIP server cannot be completed. In this case, the partner terminal takes a considerable amount of time to receive the call request (INVITE Request) from the SIP server, and the member identification information included in the call request (INVITE Request) is increasingly used. Can't get quickly,

[0010] Therefore, the present invention has been made in view of the above points, and the partner terminal executes login processing to the SIP server. It is an object of the present invention to provide a communication system, a wireless communication terminal, and a display control method that can quickly acquire identification information.

[0011] In order to solve the above-described problem, a first feature of the present invention is a communication system that enables a group call, the communication system including a call control server (for example, a SIP server 100) and a message. A transmission server (for example, SMS server 200), and the call control server receives a first call request for calling a group call member and is received by a call request reception unit (for example, call request reception unit 103). A call request generation unit (for example, a call request generation unit 107) that generates a second call request for calling the group call member corresponding to the first call request based on the first call request; Prior to transmitting the second call request made to the group call member, a call request transmission unit (for example, transmitting call request reception information indicating that the first call request has been received) If, with a call request transmission unit 109) and the message transmission server, before Kiko information receiving unit that receives the call request reception information transmitted from the control server ( For example, the information receiving unit 201) and the group call member include the group call member identification information in the start message for starting the application for executing the group call based on the received call request reception information. The gist of the present invention is to include a startup message transmission unit (for example, startup message transmission unit 203) to be transmitted.

[0012] According to the strong feature, since the activation message member identification information is included, the wireless communication terminal receives the login processing before the login processing even when the login processing to the call control server is not executed. Member identification information can be obtained quickly by a startup message.

[0013] A second feature of the present invention is that a storage unit that stores incoming call rejection information for rejecting an incoming call, and a reception unit that receives an activation message for starting a login process to the message transmission server power group call system. If the reception information is included in the incoming call rejection information and is included in the activation message received by the receiving unit, it is displayed that the incoming message includes the incoming call rejection information. The gist is to include a display unit.

[0014] According to this characteristic, if the activation message includes identification information for rejecting the incoming call, the wireless communication terminal displays that the identification information for rejecting the incoming call is included in the activation message. For this reason, the user of the wireless communication terminal can recognize that V and the user who refused to participate in the group call are included, and whether or not the user can respond to the call from the calling terminal. Judgment can be made appropriately.

[0015] A third feature of the present invention is that, when the incoming message includes the incoming call rejection information, a control unit that controls the log-in process to the group call system is not started. The gist is to provide.

[0016] According to the strong feature, the wireless communication terminal, when receiving the activation message and including a person to be rejected in the group call, unnecessary login to the group call system. It is possible to prevent the processing from being executed.

[0017] A fourth feature of the present invention is an activation message for starting a group call, and the group call of the group call included in the activation message for starting a login process to the group call system. Based on the member identification information and the member identification information of the group call notified after the login process to the group call system. Determining whether there is a difference between the member identification information notified after the login process and the member identification information included in the activation message, and if there is a difference, there is the difference And a step of displaying the fact.

[0018] According to the strong feature, the wireless communication terminal is the target of the group call after receiving the activation message and after the login process until the group communication system power also receives the identification information. If there is a change in the number of items, it can be displayed that the change has occurred.

[0019] For this reason, the user of the wireless communication terminal determines whether or not the number of wireless communication terminals subject to the group call has changed, and then determines whether or not to participate in the group call. And can have a more appropriate conversation with the desired user.

Brief Description of Drawings

FIG. 1 is a schematic configuration diagram of a communication system according to a first embodiment.

FIG. 2 is an internal configuration diagram of the SIP server according to the first embodiment.

FIG. 3 is an internal block diagram of the SMS server according to the first embodiment.

FIG. 4 is an internal configuration diagram of a radio communication terminal according to the first embodiment.

FIG. 5 is a flowchart showing a communication method according to the first embodiment.

FIG. 6 is a flowchart showing a communication method according to the first embodiment.

FIG. 7 is a diagram showing the contents of member identification information according to the first embodiment.

FIG. 8 is a diagram showing the contents of a group call incoming screen according to the first embodiment.

FIG. 9 is a diagram showing the contents of the group call incoming screen according to the first embodiment.

FIG. 10 is a view showing the contents of the group call incoming screen according to the first embodiment.

FIG. 11 is a flowchart showing information display processing according to the second embodiment.

FIG. 12 is a flowchart showing information display processing according to a modified example.

FIG. 13 is a diagram showing the contents of a group call incoming screen according to a modified example.

FIG. 14 is a diagram showing the contents of a group call incoming screen according to a modified example.

BEST MODE FOR CARRYING OUT THE INVENTION

[0021] [First embodiment] (Communications system)

The configuration of the communication system according to the present embodiment will be described with reference to FIGS.

As shown in FIG. 1, the communication system includes a SIP server 100 and an SMS (Short Message Service) server 200. The wireless communication terminals 300A to 300C according to the present embodiment are configured to be connectable to the SIP server 100 and the SMS server 200 via the wireless packet network 400a and the circuit switching network 400b.

[0023] The SIP server 100 is a group communication in which one wireless communication terminal (for example, wireless communication terminal #A) is a call performed simultaneously with a plurality of wireless communication terminals (for example, wireless communication terminals #B, #C). This is a call control server that calls a wireless communication terminal (destination terminal) after completing login processing of the wireless communication terminal (for example, wireless communication terminal #D; counterpart terminal). The destination terminal constitutes a group call member.

As shown in FIG. 2, the SIP server 100 includes a login processing unit 101, a call request receiving unit 103, a member information managing unit 105, a call request generating unit 107, and a call request transmitting unit 109. I have.

[0025] In response to a request from the wireless communication terminal 300, the login processing unit 101 executes a mouth-guin process such as registering the position of the wireless communication terminal (registering an IP address, a telephone number, or a user ID). .

[0026] The call request receiving unit 103 participates in the group call! /, NA! /, A first call request (INVITE Request) for calling a wireless communication terminal (eg, wireless communication terminal #D; partner terminal). ; See S201 shown in FIG. 6 to be described later).

[0027] Member information management section 105 manages the identification information of the wireless communication terminal for which the login process has been completed. The identification information includes the telephone number, IP address, or user name of the wireless communication terminal.

[0028] Based on the received first call request, the call request generator 107 generates a second call addressed to a wireless communication terminal (for example, wireless communication terminal #D; partner terminal) corresponding to the first call request. A request (INVITE Request; refer to S211 shown in FIG. 6 described later) is generated.

[0029] Call request transmitting section 109 transmits the generated second call request to a wireless communication terminal (for example, wireless Prior to transmission to communication terminal #D; partner terminal), call request reception information indicating that the first call request has been received is transmitted to SMS server 200.

[0030] The call request reception information in this embodiment includes group identification member identification information. The member identification information is identification information of an ungrouped call terminal or a group call terminal. Here, an ungrouped call terminal that has not yet participated in a group call is called by the calling terminal! /, The wireless communication terminal (destination terminal), and the calling terminal that is the source of the first call request It is comprised by. A group call terminal is composed of a calling terminal and a wireless communication terminal that participates in a group call with the calling terminal.

[0031] When the SIP server 100 completes the login process of the wireless communication terminal (the partner terminal) in response to a request from the wireless communication terminal (the partner terminal) that is the destination of the first call request (INVITE Request), When the first call request (INVITE Request) is received by the SIP server 100, the group call terminal that is the target of the group call or the identification information (member identification information) of the ungrouped call is sent to the wireless communication terminal. (For example, wireless communication terminal #D; destination terminal)

[0032] In addition, the SIP server 100 receives a group call that is subject to a group call from the time when the first call request (INVITE Request) is received until the second call request is transmitted. If the identification information (member identification information) of the terminal or ungroup call is different, the second call request (INVITE Request) including change information indicating that the number of ungroup call terminals or group call terminals has changed is sent. Transmit to a wireless communication terminal (for example, wireless communication terminal #D; partner terminal).

[0033] The change information includes member identification information from when the first call request is received by the SIP server 100 to when the second call request is transmitted (for example, identification information of the wireless communication terminals #A and #B). ) Is included.

[0034] Alternatively, the change information includes the SIP server 10 among the member identification information (for example, identification information of the wireless communication terminals #A, #B, #C) when the SIP server 100 receives the first call request. Identification information of wireless communication terminals (for example, identification information of wireless communication terminal #C) excluding member identification information (for example, identification information of wireless communication terminals #A, #B) after the reception of the first call request by 0 ) Is included. [0035] The SMS server 200 provides a message service (short message service). The SMS server 200 constitutes a message transmission server.

As shown in FIG. 3, the SMS server 200 includes an information reception unit 201 and an activation message transmission unit 203.

[0037] Information receiving section 201 receives call request reception information transmitted from SIP server 100.

Activation message transmission unit 203 transmits an activation message to a wireless communication terminal (for example, wireless communication terminal # D; partner terminal) based on the received call request reception information. The activation message is a message for activating an application that executes a group call. Alternatively, the activation message is a message that activates the login process to the SIP server 100 (group call system).

[0039] The activation message in the present embodiment includes the same member identification information as the member identification information included in the call request reception information.

[0040] Each of wireless communication terminals 300A to 300C can participate in a group call according to the SIP procedure. The configurations of the wireless communication terminals 300A to 300C are basically the same. Hereinafter, the wireless communication terminals 300A to 300C will be referred to as the wireless communication terminal 300, and the configuration of the wireless communication terminals 300A to 300C will be described.

As shown in FIG. 4, wireless communication terminal 300 includes communication processing section 301, speaker 302, microphone mouthphone 303, camera 304, information display section 305, audio modulation Z demodulation section 306, The image modulation Z demodulation unit 307, the storage unit 308, and the control unit 309 are provided.

[0042] The communication processing unit 301 is a first unit for calling a wireless communication terminal (destination terminal) when a wireless communication terminal in a group call joins the group call after the start of the group call according to the SIP procedure. A call request (INVITE Request) is transmitted to the wireless communication terminal (destination terminal).

[0043] The communication processing unit 301 or the control unit 309 executes a login process for the SIP server 100 in accordance with the SIP procedure.

[0044] The communication processing unit 301 includes the identification information included in the activation message received from the SMS server 200 and the second call request (INVITE Request) received from the SIP server 100. In rare cases, the information display unit 305 displays inconsistency information indicating that a change has occurred in the number of ungrouped call terminals or the group call terminals based on the change information. The discrepancy information includes the identification information or the number of wireless communication terminals that have left the group call capability.

[0045] For example, the communication processing unit 301 uses the member identification information included in the received activation message and the member identification information (change information) notified after the login process to the SIP server 100 (group call system). Based on this, if there is a difference between the member identification information notified after the login process and the member identification information included in the startup message, that fact is displayed as mismatch information.

[0046] Communication processing unit 301 performs first call request for calling a wireless communication terminal (destination terminal) when a wireless communication terminal other than the group call joins the group call according to the SIP procedure. (INVITE Request) may be transmitted to the wireless communication terminal (destination terminal).

[0047] The speaker 302 outputs sound (sound, music, etc.). The microphone 303 acquires sounds around the wireless communication terminal 300. The camera 304 generates image data corresponding to the subject.

[0048] The information display unit 305 displays information such as characters, images, and member identification information described later. The audio modulation Z demodulation unit 306 decodes audio data included in the received packet and encodes audio data acquired by the microphone 303 or the like.

Image modulation Z demodulation section 307 decodes image data included in the received packet, and encodes image data generated by camera 304 or the like. The storage unit 308 stores the received member identification information and the like.

[0050] (Communication method)

A communication method according to the present embodiment will be described. First, wireless communication terminal #A (calling terminal) out of wireless communication terminal #A, wireless communication terminal #B, and wireless communication terminal #C that is not participating in the group call is wireless communication terminal #B (destination A communication method when a first call request (INVITE Request) addressed to (terminal) and wireless communication terminal #C (destination terminal) is transmitted will be described with reference to FIG. The following ungrouped call terminals (from now on A terminal that starts a loop call) is assumed to be composed of a wireless communication terminal #A, a wireless communication terminal #B, and a wireless communication terminal #C.

[0051] As shown in FIG. 5, in S101, the wireless communication terminal #A sends a first call request (INVITE Request (B, C)) addressed to the wireless communication terminal #B and the wireless communication terminal #C to the SIP server 100. Send to.

[0052] The first call request (INVITE Request (B, C)) includes member identification information that is identification information of an ungrouped call terminal. Here, the member identification information includes the identification information of the wireless communication terminal #A that is the source of the first call request (INVITE Request (B, C)) and the first call request (INVITE Request (B, C)). Destination wireless communication terminal # B and wireless communication terminal

# Includes C identification information.

[0053] In S103, the SIP server 100 determines that the first call request (INVITE Request (B, C)) received from the wireless communication terminal #A! /, From the wireless communication terminal #A to the wireless communication terminal Call request reception information indicating that the first call request (INVITE Request (B, C)) addressed to #B and wireless communication terminal #C has been received is transmitted to SMS server 200.

[0054] The call request reception information includes member identification information similar to the member identification information included in the first call request (INVITE Request (B, C)).

In S105, SMS server 200 transmits a startup message for starting an application for executing a group call to radio communication terminal #B based on the call request reception information received from SIP server 100.

[0056] The activation message includes member identification information similar to the member identification information included in the call request reception information.

[0057] In S107, the wireless communication terminal #B activates an application for executing a group call based on the activation message received from the SMS server 200, and is included in the member identification information in the activation message. The identification information (for example, identification information of wireless communication terminal #A, wireless communication terminal #C) is displayed.

Note that the wireless communication terminal #B refers to the set telephone directory, and includes user information (wireless communication terminal #A, wireless communication terminal) corresponding to the identification information included in the member identification information.

# c user name etc.). [0059] In S109, the SMS server 200 transmits a startup message for starting an application for executing a group call based on the call request reception information received from the SIP server 100, in the same manner as in S105. # Send to C.

[0060] The activation message includes member identification information similar to the member identification information included in the call request reception information.

[0061] In S111, similarly to the processing in S107, the wireless communication terminal #C activates the application for executing the group call based on the activation message received from the SMS server 200, and Display identification information included in member identification information (for example, identification information of wireless communication terminal #A, wireless communication terminal #B)

In S113, wireless communication terminal #B executes a login process for SIP server 100 based on the activation message received from SMS server 200.

In S115, wireless communication terminal #C executes login processing for SIP server 100 based on the activation message received from SMS server 200.

[0064] In S117, the SIP server 100, based on the first call request (INVITE Request (B, C)) that also received the wireless communication terminal #A force after the login process in S113 is completed, A second call request (INVITE Request (A)) addressed to the wireless communication terminal #B corresponding to the request (INVITE Request (B, C)) is generated, and the generated second call request (INVITE Request (A)) is Transmit to wireless communication terminal #B.

[0065] In S119, after completing the login process in S115, the SIP server 100 performs the first call based on the first call request (INVITE Request (B, C)) that also received the wireless communication terminal #A force. A second call request (INVITE Request (A)) addressed to the wireless communication terminal #C corresponding to the request (INVITE Request (B, C)) is generated, and the generated second call request (INVITE Request (A)) is Send to wireless communication terminal #C.

[0066] In S121, SIP server 100 is processing information indicating that it is executing processing for the second call request (INVITE Request (B, C)) addressed to wireless communication terminal #B and wireless communication terminal #C. (100 Trying) is transmitted to the wireless communication terminal #A.

[0067] In S123, the wireless communication terminal #B is calling the user of the wireless communication terminal #B. The ringing information (180 Ringing) indicating that there is a message is sent to the SIP server 100.

[0068] In S125, the SIP server 100 determines that the in-call information received from the wireless communication terminal #B

Forward (180 Ringing) to wireless communication terminal #A.

[0069] In S127, the wireless communication terminal #C transmits to the SIP server 100 ringing information (180 Ringing) indicating that the user of the wireless communication terminal #C is being called.

[0070] In S129, the SIP server 100 transfers the ringing information (180 Ringing) received from the wireless communication terminal #C to the wireless communication terminal #A.

[0071] In S141, if the user of the wireless communication terminal #B performs a response operation within a predetermined period, the wireless communication terminal #B successfully responds to the second call request (INVITE Request (A)). Call success information (200 OK) indicating that the call has been made is transmitted to the SIP server 100. The predetermined period is managed by the timer etc. provided for the wireless communication terminal #B.

In S 143, SIP server 100 transfers the call success information (200 OK) received from wireless communication terminal #B to wireless communication terminal #A.

In S 145, wireless communication terminal #A transmits ACK indicating that the received call success information (200 OK) has been received to SIP server 100.

[0074] In S147, the SIP server 100 transfers the ACK received from the wireless communication terminal #A to the wireless communication terminal #B.

In S 149, wireless communication terminal #B establishes a session with wireless communication terminal #A based on the ACK received from SIP server 100. And wireless communication terminal #

C also executes the same process as the response process A of S141 to S149. Thereby, a session is established between the wireless communication terminals #A to #C, and a group call between the wireless communication terminals #A to #C is started.

On the other hand, when the wireless communication terminal #B and the wireless communication terminal #C execute the non-response process B of S151 to S157 described later, the group call of the wireless communication terminals #A to #C is not started. Specifically, it is as follows.

[0077] In S151, when the user of the wireless communication terminal #B does not perform a response operation within a predetermined period, the wireless communication terminal #B responds to the second call request (INVITE Request (A)). Call failure information (4xx) indicating that the response has failed is transmitted to the SIP server 100.

[0078] In S153, the SIP server 100 transfers the call failure information (4xx) that also received the wireless communication terminal #B power to the wireless communication terminal #A.

[0079] In S155, wireless communication terminal #A indicates that call failure information (4xx) has been received.

Send ACK to SIP server 100.

[0080] In S157, the SIP server 100 transfers the ACK received from the wireless communication terminal #A to the wireless communication terminal #B.

[0081] It is to be noted that, similarly to the wireless communication terminal #A, the wireless communication terminal #C also performs the above operations of S151 to S157 when the user of the wireless communication terminal #C does not perform a response operation within a predetermined period. Execute response process B.

Note that the communication method shown in FIG. 5 is described using radio communication terminal #A, radio communication terminal #B, and radio communication terminal #C, but it is not limited to these radio communication terminals. Of course, similar processing can be realized by using four or more wireless communication terminals.

[0083] Next, out of the wireless communication terminals #A to #C already participating in the group call (refer to "Group call" in Fig. 6), the wireless communication terminal #A (the calling terminal) A communication method when a first call request addressed to wireless communication terminal #D (destination terminal) is transmitted after participating in a group call will be described with reference to FIGS.

As shown in FIG. 6, in S201, wireless communication terminal #A transmits a first call request (INVITE Request (D)) addressed to wireless communication terminal #D to SIP server 100.

[0085] In S203, the SIP server 100, based on the first call request (INVITE Request (D)) received from the wireless communication terminal #A! /, From the wireless communication terminal #A to the wireless communication terminal #D. Call request reception information indicating that the first call request (INVITE Request (D)) addressed is received is transmitted to the SMS server 200.

[0086] Here, in S203, the SIP server 100 participates in the group call between the wireless communication terminal #A (originating terminal) that is the source of the first call request (INVITE Request) and the wireless communication terminal #A. It is assumed that the identification information of the group call terminal composed of the wireless communication terminals #B and #C is managed as member identification information. [0087] In this case, the SIP server 100 includes the member identification information (identification information of the wireless communication terminals #A to #C) managed in the process of S203 in the call request reception information, and includes the call request reception information. Send to SMS server 200.

[0088] On the other hand, in S203, SIP Sarno 100 participates in a group call between wireless communication terminal #A (originating terminal) that originated the first call request (INVITE Request) and wireless communication terminal #A. It is assumed that the identification information of the group call terminal constituted by the wireless communication terminals #B and #C is managed as member identification information.

[0089] In this case, the SIP server 100 includes member identification information (wireless communication terminals #A to #C; included in the first call request (IN VITE Request (D)) received from the wireless communication terminal #A; The member identification information similar to M shown in FIG. 7 may be included in the call request reception information, and the call request reception information may be transmitted to the SMS server 200.

[0090] For example, when the wireless communication terminal #A participates in the group call and already acquires the identification information of the wireless communication terminals #B, #C, the wireless communication terminal #A, #B, # The member identification information including C identification information is included in the first call request (INVITE Request (D)), and the first call request (INVITE Request (D)) is transmitted to the SIP server 100.

[0091] Then, the SIP server 100 includes the member identification information (wireless communication terminals #A, #B, # included in the first call request (INVIT E Request (D)) received from the wireless communication terminal #A. The same member identification information as in C) is included in the call request reception information, and the call request reception information is transmitted to the SMS server 200.

[0092] On the other hand, the wireless communication terminal #A acquires the identification information of the wireless communication terminals #B and #C by participating in the group call with the wireless communication terminal #A. Wireless communication terminal

# Get the identification information of B and # C to wireless communication terminals # B and # C. And wireless communication terminal

#A includes member identification information consisting of identification information of wireless communication terminals #A to #C in the first call request (INVITE Request (D)) and includes the first call request (INVITE Request (D)). Send to SIP server 100.

In S205, based on the call request reception information received from SIP server 100, SMS server 200 transmits an activation message for activating an application that executes a group call to wireless communication terminal #D. [0094] The activation message includes member identification information similar to the member identification information included in the call request reception information.

[0095] In S207, the wireless communication terminal #D activates an application for executing a group call based on the activation message received from the SMS server 200, and is included in the activation message. Member identification information (identification information of wireless communication terminals #A, #B, #C) is displayed.

[0096] As shown in Figs. 8 and 9, the wireless communication terminal #D refers to the set telephone directory, and the user information corresponding to the member identification information (wireless communication terminal #A, wireless communication terminal # B, wireless communication terminal # C user name, phone number, etc.) may be displayed!

In S209, the wireless communication terminal #D executes a login process for the SIP server 100 based on the activation message received from the SMS server 200.

[0098] In S211, the SIP server 100 performs the first call request (INVITE Request (D)) based on the first call request (INVITE Request (D)) that also received the wireless communication terminal #A force after the login process of S209 is completed. A second call request (INVITE Request (A)) addressed to the wireless communication terminal #D corresponding to Request (D)) is generated.

[0099] In addition, when the login process of S209 is completed, the SIP server 100 becomes a target for group calls when the SIP server 100 receives the first call request (INVITE Request (D))! / The second call request that includes the group call terminal identification information (member identification information) or the ungrouped call terminal that receives the call (including the terminal that receives the call! (INVITE Request (A)) is generated.

[0100] In addition, the SIP server 100 is not grouped after receiving the first call request (INVITE Request (D)) and before sending the second call request (INVITE Request (A)). If the identification information (member identification information) of the call terminal or group call terminal is different, the second call request (INVITE Request (including the change information indicating that the number of the ungroup call terminal or group call terminal has changed) has occurred. A) Generates).

[0101] For example, at S201, wireless communication terminal #A, wireless communication terminal #B, and wireless communication terminal #C were participating in the group call. After that, at S201a, wireless communication terminal #C joined the group call. Send BYE information to SIP server 100 indicating that the card will be interrupted Let us do it.

[0102] In this case, the wireless communication terminal #C loses the group call power, and the SIP server 100 has different member identification information at the time of S201 and member identification information at the time of S211. Member identification information (identification information of wireless communication terminal #A, wireless communication terminal #B), or identification information of difference between member identification information at the time of S201 and member identification information at the time of S211 (identification of wireless communication terminal #C Information) is generated as change information, and a second call request (INVITE Request (A)) including the generated change information is generated.

In addition, SIP server 100 transmits the generated second call request (INVITE Request (A)) to radio communication terminal #D.

[0104] In S213, the wireless communication terminal #D determines that the second call request (INVITE Request (A)) is based on the second call request (INVITE Request (A)) received from the SIP server 100! ) And the discrepancy information indicating that the number of group call terminals has changed is displayed based on the change information included in) and the member identification information included in the activation message.

[0105] Thus, the user of the wireless communication terminal #D can determine whether or not to participate in the group call after grasping that a change has occurred in the user of the ungrouped call terminal or the group call terminal. , You can talk more appropriately with the desired user.

[0106] For example, the member identification information included in the activation message includes identification information of wireless communication terminal #A, wireless communication terminal #B, and wireless communication terminal #C, and the second call request (INVITE Re quest (A )) Change information power included in wireless communication terminal #A, wireless communication terminal #B, which is member identification information as of S211, or member identification information as of S201 and member identification as of S211 When the identification information (identification information of the wireless communication terminal # 1) that is the difference from the information is included, the wireless communication terminal operates as follows.

That is, since the wireless communication terminal #D does not include the identification information of the wireless communication terminal #C in the member identification information at the time of S211 with respect to the member identification information at the time of S201, Display inconsistency information such as the fact that user C of wireless communication terminal #c is missing (see Figure 10).

[0108] The processing of S215 to S223 is the same as the processing of S121 to S157 (except for the processing of S127 and S129) shown in FIG. [0109] According to the communication method described above, since the activation message member identification information is included, the wireless communication terminal 300 does not execute the login process with respect to the call control server. Member identification information can be quickly acquired by the received activation message.

Note that the communication method shown in FIG. 6 will be described using the wireless communication terminal #A, the wireless communication terminal #B, the wireless communication terminal #C, and the wireless communication terminal #D. Of course, the same processing can be realized by using five or more wireless communication terminals.

[0111] Of course, the change information display process of S213 shown in FIG. 6 may be executed in the communication method of FIG. For example, in the communication method of FIG. 5, when the login process of S 113 or S 115 is completed, the SIP server 100 generates a second call request including member identification information when the SIP server 100 receives the first call request. .

[0112] Also, if the member identification information from when the first call request is received to when the second call request is transmitted is different, the SIP server 100 determines the number of ungrouped call terminals or duplex call terminals. A second call request including change information indicating that a change has occurred is generated. In S117 or S119, the SIP server 100 transmits the generated second call request to the wireless communication terminal (wireless communication terminal #B or #C; partner terminal).

[0113] Then, the wireless communication terminal (wireless communication terminal #B or #C; counterpart terminal) is based on the second call request (INVITE Request (A)) received from the SIP server 100 in S117 or S119. Based on the change information included in the second call request (INVITE Request (A)) and the member identification information included in the activation message, the number of ungrouped call terminals is changed. Disagreement information is displayed to indicate that has occurred.

[0114] [Second Embodiment]

In the second embodiment, the wireless communication terminal 300 is activated when the identification information included in the activation message includes identification information for rejecting the incoming call (hereinafter referred to as incoming call rejection information). Displays that the message contains call rejection information. Hereinafter, differences from the communication system and the communication method according to the first embodiment will be mainly described. [0115] The storage unit 308 of the wireless communication terminal 300 according to the present embodiment stores a rejection list including incoming call rejection information for rejecting incoming calls.

[0116] When the incoming call rejection information included in the startup message received from the SMS server 200 is included in the rejection list, the communication processing unit 301 includes the incoming call rejection information in the startup message. Is displayed on the information display unit 305.

[0117] For example, the communication processing unit 301 rejects wireless communication in which a call is rejected by the wireless communication terminal 300 as incoming call rejection information in each identification information included in the activation message received from the SMS server 200. Includes device identification information! When rejected, the rejected terminal information is displayed on the information display unit 305.

[0118] If the identification information included in the received activation message is included in the rejection list! /, The control unit 309 does not activate the login process to the SIP server 100! / Control. For example, the control unit 309 cancels activation of login processing to the SIP server 100.

Next, information display processing 2 according to the present embodiment will be described with reference to FIGS. 11 to 14. Note that the information display process 1 (S107, S111, S207) shown in FIGS. 5 and 6 is replaced with the information display process 2 shown in FIGS. Processes other than the information display process 2 shown in FIGS. 11 and 12 are the same as the processes shown in FIGS.

[0120] As shown in FIG. 11, in S301, wireless communication terminal 300 (destination terminal) is based on the member identification information included in the activation message received from SMS server 200! Then, it is determined whether or not the identification information of the calling terminal included in the member identification information is included in the rejection list. In addition, when this determination is YES, radio communication terminal 300 proceeds to the process of S307, and when it is NO, the process proceeds to the process of S303.

[0121] In S303, wireless communication terminal 300 collates member identification information other than the identification information of the calling terminal with the rejection list.

In S304, wireless communication terminal 300 displays the identification information included in the rejection list in the member identification information and the identification information included in the rejection list, separately from the identification information.

[0123] For example, the identification information of the calling terminal is “user A”, the member identification information other than the identification information of the calling terminal is “user B, user C”, and the rejection list is “user B”. If included, the wireless communication terminal operates as follows.

That is, as shown in FIG. 13, radio communication terminal 300 displays “user B” and “X (rejected terminal information)” because “user B” is included in the reject list. Further, since “user A, user C” is not included in the deny list, the wireless communication terminal 300 displays “user A, user _c ” and “◯” (permitted).

[0125] Also, in S307, when the identification information "user A" of the calling terminal is included in the rejection list, the wireless communication terminal 300 does not display the group call incoming screen that is the member identification information display screen, Also does not execute login processing to the SIP server 100. The wireless communication terminal 300 then updates the incoming call history based on the identification information of the calling terminal and the member identification information!

[0126] According to such an operation, radio communication terminal 300 displays rejected terminal information when the identification information included in the received activation message is included in the reject list. For this reason, the user of the wireless communication terminal 300 can recognize that the user who refuses to join the group call is included by referring to the displayed rejected terminal information! it can. That is, the user of wireless communication terminal 300 can appropriately determine whether or not the user can respond to a call from the calling terminal.

[0127] In the information display process 2 shown in FIG. 11, the wireless communication terminal 300, if the "calling terminal identification information" included in the member identification information is included in the rejection list, receives a group call in the first place. Although the screen is not displayed, the following changes may be made without being limited thereto.

[0128] Specifically, wireless communication terminal 300 does not display the group call incoming screen only when the "all" identification information included in the member identification information is included in the rejection list. And the login process to the SIP server 100 may not be executed. This will be described in detail below with reference to FIG. However, since the processing from S401 to S405 shown in FIG. 12 is the same as the processing from S301 to S305 shown in FIG. 11, the description is omitted here.

[0129] As shown in FIG. 12, in S407, wireless communication terminal 300 collates member identification information other than the identification information of the calling terminal with the rejection list. In S409, radio communication terminal 300 determines whether or not all identification information included in the member identification information is included in the rejection list. Further, when this determination is YES, radio communication terminal 300 proceeds to the process of S411, and when it is NO, the process proceeds to the process of S405.

[0131] In S411, since all of the identification information included in the member identification information is included in the rejection list, the wireless communication terminal 300 does not display the group call incoming screen and does not display the SIP server 100. The incoming call history is updated based on the identification information of the calling terminal and the member identification information without executing the login process.

[0132] As shown in FIG. 14, in S405, the wireless communication terminal 300 uses the identification information included in the deny list in the member identification information (see the X mark in the figure) and the member. The identification information that is not included in the refusal list (see the circles in the figure) is displayed separately.

[0133] According to such an operation, when wireless communication terminal 300 receives an activation message from SMS server 200 and a power group call includes a person to be rejected, SIP server 100 It is possible to prevent unnecessary login processing from being executed.

In the first embodiment and the second embodiment, the case where SIP is used as the communication protocol has been described. However, the communication protocol to which the present invention can be applied is not limited to SIP. First Embodiment Other communication protocols may be used as long as the communication protocol can realize the operation of the second embodiment. ,.

Also, in the information display process 2 shown in FIG. 11 and the information display process 3 shown in FIG. 12, the identification information contained in the activation message received from the SMS server 200 is used! / The present invention is not limited to this, and the identification information included in the second call request received from the SIP server 100 may be used. In this case, a disconnection process for disconnecting the communication path between the SIP server 100 and the wireless communication terminal is executed instead of the login process.

In the above, an example of the present invention has been described. However, the specific example is merely illustrated, and the specific configuration and the like of each part that does not limit the present invention can be changed as appropriate. In addition, the configuration of each embodiment and the configuration of each modified example can be combined. Further, the operation and effect of each embodiment and each modified example are the most preferable operation resulting from the present invention. The effects and effects of the present invention are not limited to those described in each embodiment and each modified example.

[0137] Note that the entire contents of Japanese Patent Application No. 2006-019483 (filed on Jan. 27, 2006) are incorporated herein by reference.

Industrial applicability

As described above, in the communication system, the wireless communication terminal, and the display control method according to the present invention, even if the wireless communication terminal executes the login process to the SIP server, the wireless communication terminal It is useful for wireless communication such as mobile communication because it can quickly acquire the identification information.

Claims

The scope of the claims

[1] A communication system that enables group calls,

The communication system includes a call control server and a message transmission server, and the call control server includes:

A call request receiver for receiving a first call request for calling a group call member;

Based on the received first call request, a call request generating unit that generates a second call request for calling the loop call member corresponding to the first call request, and the generated second call Prior to transmitting a request to the group call member, a call request transmitter for transmitting call request reception information indicating that the first call request has been received,

The message sending server is

An information receiving unit for receiving the call request reception information transmitted from the call control server;

Based on the received call request reception information! /, An activation message to be sent to the group call member including the group call member identification information in the activation message for activating the application for executing the group call A communication system comprising: a transmission unit.

[2] A storage unit for storing incoming call rejection information for rejecting incoming calls;

A receiver for receiving a startup message for starting a login process from the message transmission server to the group call system; and

A display unit that displays that the activation message includes the incoming call rejection information if the identification information included in the activation message received by the receiving unit is included in the incoming call rejection information;

A wireless communication terminal comprising:

[3] A control unit that performs control so as not to start the login process to the group call system when the incoming message includes the incoming call rejection information! /. Item 3. A wireless communication terminal according to item 2. The group call member identification information included in the start message that is a start message for starting a group call and that starts the log-in process to the group call system, and the log-in process to the group call system Whether there is a difference between the member identification information notified after the log-in process and the member identification information included in the activation message based on the member identification information of the group call notified later Determining whether or not

If there is a difference, displaying the difference;

A display control method comprising: