JP2008125012A - Communication control method and communication control unit - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a communication control method and a communication control unit that can report a telephone number of a communication network other than one communication network with which a mobile device has made a contract to a call destination. <P>SOLUTION: Disclosed is the communication control method of performing control using a roaming GW 30, wherein a specified MISISDN is recorded in a memory, and then a plurality of pieces of subscriber information transmitted from a plurality of communication networks respectively are received, and an MISISDN matching the MISISDN recorded in the memory among a plurality of MISISDNs included in the plurality of pieces of subscriber information is set as a notice number to be reported to the call destination of the mobile device 10. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

  The present invention relates to a communication control method and a communication control apparatus.

Non-Patent Document 1 describes the specifications of 3GPP (3rd Generation Partnership Project), which is a standard for mobile communication systems. According to Non-Patent Document 1, a plurality of telephone numbers can be registered for one IMSI (International Mobile Subscriber Identity) recorded in a SIM (Subscriber Identification Module) of one mobile device.
3GPP TS31.102 4.2.26, Version 6.15.0, [online], [retrieved on 16 October 2006], Retrieved from the Internet: <URL: http: //www.3gpp.org/ftp/Specs/2006-09 /Rel-6/31_series/31102-6f0.zip>.

  However, for example, when the telephone number of a communication network in a country other than one country (home country) with which the mobile device is contracted is registered in the IMSI of this mobile device, this telephone number is called. It is not defined in the 3GPP standard to notify first. For this reason, for example, when a call is made from overseas, the telephone number used in the home communication network must be replaced with the telephone number used in the overseas communication network. SUMMARY OF THE INVENTION An object of the present invention is to provide a communication control method and a communication control apparatus capable of notifying a callee of a telephone number of another communication network other than the one communication network with which the mobile device is contracted. .

  The present invention relates to a communication control method for controlling communication of a mobile device to which a plurality of telephone numbers set for a plurality of communication networks are assigned, using a roaming communication control device. The designated telephone number recording step in which the communication control device records the telephone number designated by the mobile device as the telephone number to be notified to the call destination in the memory of the communication control device, and after the designated telephone number recording step, the mobile device A plurality of subscriber information transmitted from each of the plurality of communication networks in response to the location registration request, a subscriber information receiving step for receiving the communication control device, and a plurality of subscriber information included in each of the plurality of subscriber information A notification number setting step in which the communication control apparatus sets a telephone number that matches the telephone number recorded in the memory of the communication control apparatus among the telephone numbers of Communication system A subscriber information transmission step in which the communication control apparatus transmits subscriber information including a notification number set by the apparatus to the mobile switching center of the mobile station, and a notification included in the subscriber information from the communication control apparatus And a notification number recording step in which the local exchange records the commercial number in the memory of the local exchange.

  Further, the present invention is a communication control apparatus for performing roaming to one mobile device assigned with a plurality of telephone numbers set for each of a plurality of communication networks, and a telephone number to be notified to a call destination of the mobile device A designated telephone number recording means for recording a telephone number designated by the mobile device in a memory of the communication control device, and a plurality of subscriptions transmitted from each of a plurality of communication networks in response to a location registration request of the mobile device. A subscriber information receiving means for receiving subscriber information and a telephone number that matches a telephone number recorded in a memory among a plurality of telephone numbers included in each of the plurality of subscriber information. A notification number setting unit that sets a notification number to be notified first, and a subscriber information transmission unit that transmits subscriber information including the notification number to a mobile switching center of the mobile device. .

  According to the present invention, since the number for notification to the call destination can be selected by the caller, the number for notification can be set for any of a plurality of telephone numbers set for each communication network. Therefore, for example, the telephone number of the local network (the national communication network) can be used as the notification number without using the telephone number that can be used in the communication network of other countries as the notification number. For this reason, even when a call is made from overseas, it can be continuously used without changing the notification number used in its own network.

  Further, the present invention is a communication control method for controlling communication of one mobile station assigned with a plurality of telephone numbers set for a plurality of communication networks, using a roaming communication control device. A plurality of subscriber information transmitted from each of the plurality of communication networks in response to the location registration request of the machine is included in each of the subscriber information receiving step in which the communication control device receives and the plurality of subscriber information. A notification number setting step in which the communication control device sets a telephone number belonging to the communication network in which the mobile device is located among the plurality of telephone numbers to a notification number to be notified to the call destination of the mobile device; A subscriber information transmission step in which the communication control device transmits subscriber information including the set notification number to the mobile switching center of the mobile device, and a notification number included in the subscriber information from the communication control device The local exchange is And a notification number recording step of recording in the memory of the exchange, characterized in that. Further, the present invention is a communication control apparatus that performs roaming for one mobile device assigned with a plurality of telephone numbers set for each of a plurality of communication networks. A subscriber information receiving means for receiving a plurality of subscriber information transmitted from each of the communication networks, and a communication network in which the mobile device is located among a plurality of telephone numbers included in each of the plurality of subscriber information. Notification number setting means for setting the telephone number to which it belongs to a notification number for notifying the callee of the mobile station, and subscriber information transmission for transmitting subscriber information including the notification number to the mobile switching center of the mobile station Means. Therefore, according to the present invention, the telephone number of the communication network in which the mobile device is located can be automatically set as the notification number.

  Further, in the present invention, after the notification number recording step, the mobile station transmits a transmission request to the visited exchange, and when the visited exchange receives the outgoing request from the mobile station, the outgoing request is A request transmission step in which the local exchange transmits the notification request number together with the notification number to the communication network of the transmission request destination. Therefore, the notification number recorded in the memory of the visited exchange can be reliably notified to the callee of the mobile device when the mobile device is called.

  ADVANTAGE OF THE INVENTION According to this invention, the telephone number of communication networks other than the one communication network with which the contract of the mobile device was made can be notified to a call destination.

  Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the drawings. In the description of the drawings, if possible, the same elements are denoted by the same reference numerals, and redundant description is omitted. With reference to FIG. 1, the structure of the communication control system 1 which concerns on embodiment is demonstrated. The communication control system 1 includes a mobile device 10, an MSC / SGSN 20 (Mobile Switching Center, Serving GPRS Support Node), a roaming GW 30 (GateWay), an HLR_own network 40 (Home Location Register), an HLR_other network 50, and a GMSC 60 (Gateway MSC). Is provided. The mobile device 10 is a communication terminal such as a mobile phone, and a plurality of telephone numbers can be registered in an IMSI (hereinafter “IMSI: own network”) recorded in the SIM of the mobile device 10. Hereinafter, the local network means a communication network with which the mobile device 10 is contracted. The other network means a communication network other than the own network. The communication network in which the mobile device 10 is located is either the local network or another network. The MSC / SGSN 20 is a visited exchange provided in a communication network in which the mobile device 10 is located, and means an MSC or SGSN. The roaming GW 30 is a communication control device that performs roaming processing between a plurality of communication networks such as a communication network in which the mobile device 10 is located, a local network, and other networks.

  The HLR_own network 40 is an HLR provided in the own network, and manages subscriber information of the mobile device 10 including IMSI and MSISDN (Mobile Station ISDN number definition). The IMSI and MSISDN of the mobile device 10 managed by the HLR_own network 40 are referred to as “IMSI: own network” and “MSISDN: own network”, respectively. The HLR_other network 50 is an HLR provided in the other network, and manages subscriber information of the mobile device 10 including IMSI and MSISDN. The IMSI and MSISDN of the mobile device 10 managed by the HLR_other network 50 are referred to as “IMSI: other network” and “MSISDN: other network”, respectively. The subscriber information includes contract plan information and contract service information of the subscriber, IMSI, MSISDN, and the like, and includes various information related to the contract of the mobile device 10.

  In the following, the telephone number may be referred to as MSISDN. The description “X: Y” means “X set to Y”. For example, the description “IMSI: own network” means “IMSI set in the own network”, and the description “MSISDN: own network” means “MSISDN set in the own network”. is doing. Also, the description “IMSI: other network” means “IMSI set in another network”, and the description “MSISDN: other network” means “MSISDN set in another network”. is doing. The GMSC 60 is a gateway exchange provided in a communication network in which the mobile device 10 is located. The MSC / SGSN 20 performs wireless communication with the mobile device 10 and is wired to the roaming GW 30 and the GMSC 60. The roaming GW 30 is wired to the HLR_own network 40 and the HLR_other network 50.

  Next, the configuration of the roaming GW 30 will be described with reference to FIGS. As shown in FIG. 2, the roaming GW 30 physically includes a CPU 31, a RAM 32, a ROM 33, an input device 34, an output device 35, a communication device 36, and a recording device 37, which are connected to a bus 38. ing. The CPU 31 centrally controls the roaming GW 30 by loading predetermined computer software stored in a built-in memory such as the ROM 33 into the RAM 32 and executing it. The input device 34 is a data input device and outputs input data to the CPU 31. The output device 35 is a display device such as an LCD, and displays data input from the CPU 31 on the LCD or the like. The communication device 36 has an interface for performing roaming between a plurality of communication networks such as the MSC / SGSN 20, the HLR_own network 40, and the HLR_other network 50. The recording device 37 is a large-capacity memory that stores subscriber information and the like for a plurality of mobile devices such as the mobile device 10.

  The CPU 31 implements a plurality of functions shown in FIG. FIG. 3 is a block diagram showing functions of the roaming GW 30 realized by the CPU 31. Functionally, the roaming GW 30 has a designated telephone number recording unit 311 (designated telephone number recording unit), a subscriber information receiving unit 312 (subscriber information receiving unit), and a notification number setting unit 313 (notification number setting unit). And a subscriber information transmission unit 314 (subscriber information transmission means). The designated telephone number recording unit 311 to the subscriber information transmission unit 314 are functions realized by the CPU 31 executing the above-described computer software and operating the components of the roaming GW 30 shown in FIG. In particular, the CPU 31 uses the designated telephone number recording unit 311 to the subscriber information transmission unit 314 to execute processing performed by the roaming GW 30 shown in FIG.

  The designated telephone number recording unit 311 records the MSISDN designated by the mobile device 10 as the MSISDN notified to the callee of the mobile device 10 in the recording device 37. The subscriber information receiving unit 312 receives a plurality of subscriber information transmitted from each of a plurality of communication networks in response to an attach / location registration request of the mobile device 10. The notification number setting unit 313 selects the MSISDN that matches the MSISDN recorded in the recording device 37 among the plurality of MSISDNs included in each of the plurality of subscriber information received by the subscriber information receiving unit 312. This is set to a notification number to be notified to the callee of the mobile device 10. The subscriber information transmission unit 314 transmits subscriber information including the notification number set by the notification number setting unit 313 to the MSC / SGSN 20.

  Next, a communication control method according to the embodiment will be described with reference to FIG. FIG. 4 is a sequence for explaining this communication control method. First, the designated telephone number recording unit 311 of the roaming GW 30 records the MSISDN designated by the user from the mobile device 10 in the recording device 37 as the MSISDN notified to the calling destination of the mobile device 10 (designated telephone number recording step). . The designated MSISDN is, for example, the MSISDN of the local network or another network, and is transmitted from the mobile device 10 to the roaming GW 30 via the MSC / SGSN 20.

  Thereafter, the mobile device 10 transmits an attach / location registration request including “IMSI: own network” to the MSC / SGSN 20 (step S1), and the MSC / SGSN 20 receives this transmission and receives “IMSI: own network”. And an attach / location registration request including “vlrNumber: MSC / SGSN” is transmitted to the roaming GW 30 (step S2). Here, vlrNumber means a number for identifying a VLR (Visitor Location Register). After step S2, the subscriber information receiving unit 312 of the roaming GW 30 responds to the attach / location registration request of the mobile device 10 transmitted from the mobile device 10 via the MSC / SGSN 20, and a plurality of communication networks (local network and A plurality of subscriber information (subscriber information for each communication network) transmitted from each of the other networks is received (steps S3 to S6, subscriber information receiving step).

  In this subscriber information receiving step, the subscriber information receiving unit 312 first starts attachment / location registration to its own network (step S3). In step S3, the subscriber information receiving unit 312 converts “vlrNumber: MSC / SGSN” included in the attach / location registration request transmitted from the MSC / SGSN 20 into “vlrNumber: roaming GW”. After this conversion, the subscriber information receiving unit 312 performs attach / location registration to the own network (step S4). In step S4, the subscriber information receiving unit 312 transmits an attach / location registration request including “IMSI: own network” and “vlrNumber: roaming GW” to the HLR_own network 40. In response to the attach / location registration request, the HLR_own network 40 downloads subscriber information for the mobile device 10 managed by the HLR_own network 40 to the roaming GW 30. This downloaded subscriber information includes “IMSI: own network” and “MSISDN: own network”. Thereafter, the subscriber information receiving unit 312 transmits a subscriber information download response to the HLR_own network 40, and the HLR_own network 40 transmits an attach / location registration response to the roaming GW 30 in response to this response. The attach / location registration response includes “hlrNumber: HLR_own network” (step S4). Here, hlrNumber means a number for identifying the HLR.

  After the attachment / location registration to the own network is performed as described above, the subscriber information reception unit 312 starts the attachment / location registration to another network (step S5). In step S5, the subscriber information reception unit 312 converts “IMSI: own network” included in the attach / location registration request transmitted from the MSC / SGSN 20 into “IMSI: other network”, and “vlrNumber: MSC / SGSN "is converted to" vlrNumber: Roaming GW ". After this conversion, the subscriber information receiving unit 312 executes attachment / location registration to another network (step S6). In step S <b> 6, the subscriber information reception unit 312 first transmits an attach / location registration request including “IMSI: other network” and “vlrNumber: roaming GW” to the HLR_other network 50. In response to the attach / location registration request, the HLR_other network 50 downloads subscriber information for the mobile device 10 managed by the HLR_other network 50 to the roaming GW 30. This downloaded subscriber information includes “IMSI: other network” and “MSISDN: other network”. Thereafter, the subscriber information receiving unit 312 transmits a subscriber information download response to the HLR_other network 50, and the HLR_other network 50 receives this response and transmits an attach / location registration response to the roaming GW 30. This attach / location registration response includes “hlrNumber: HLR_other network” (step S6).

  After step S6, the notification number setting unit 313 of the roaming GW 30 includes the MSISDN included in each of the plurality of subscriber information acquired from the HLR_own network 40 and the HLR_other network 50 in steps S3 to S6. In the designated telephone number recording step, the MSISDN that matches the MSISDN recorded in the recording device 37 of the roaming GW 30 is set as a notification number to be notified to the calling destination of the mobile device 10 (step S7, notification number setting step). The set MSISDN is “MSISDN: number for notification”. “MSISDN: Notification Number” is “MSISDN: Local Network” when the notification number is MSISDN of the local network, and “MSISDN: Other Network” when the notification number is MSISDN of the other network. After step S7, the subscriber information transmission unit 314 downloads subscriber information including “IMSI: own network” and “MSISDN: notification number” to the MSC / SGSN 20 (step S8, subscriber information transmission step). ). After step S8, the MSC / SGSN 20 stores “IMSI: own network” and “MSISDN: notification number” included in the subscriber information downloaded from the roaming GW 30 in the VLR of the MSC / SGSN 20 (step S9, for notification). Number recording step), a subscriber information download response is transmitted to the roaming GW 30 (step S10).

  Upon receiving this response, the roaming GW 30 sets “hlrNumber: roaming GW” (step S11), and transmits this “hrrNumber: roaming GW” to the MSC / SGSN 20 by including it in the attach / position registration response (step S12). MSC / SGSN 20 transmits this attach / position registration response to mobile device 10 in response to the response from roaming GW 30 (step S13). Through the process in step S13, the mobile device 10 can confirm the completion of the series of attach / position registration processes described above.

  Next, transmission control according to the embodiment will be described with reference to the sequence shown in FIG. Hereinafter, it is assumed that steps S1 to S13 shown in FIG. 4 have been completed. MSC / SGSN 20 means only MSC. For this reason, FIG. 5 shows MSC instead of MSC / SGSN 20. First, the mobile device 10 transmits a call request for a voice call to the MSC / SGSN 20 (step S20, call request transmission step). This call origination request is a signal for requesting that the mobile device 10 can make a voice call with another communication device. Therefore, upon receiving this call request, the MSC / SGSN 20 notifies the call destination of the mobile device 10 of the “MSISDN: notification number” held in the VLR of the MSC / SGSN 20 (at the time of the call) To the notification number) (step S21). The MSC / SGSN 20 sends the transmission request from the mobile device 10 together with the “MSISDN: notification number” to the communication network of the transmission destination of the transmission request (in this embodiment, the communication network in which the mobile device 10 is located). (Step S22, request transmission step). After step S22, when the GMSC 60 receives this call request and “MSISDN: notification number” from the MSC / SGSN 20, conventional call control is performed based on this “MSISDN: notification number” (step S23). .

  Next, effects of the communication control system 1 according to the embodiment will be described. The communication control method according to the embodiment for controlling the communication of the mobile device 10 assigned with a plurality of MSISDNs set for each of the plurality of communication networks using the roaming GW 30 is a method of notifying the call destination of the mobile device 10 of the MSISDN. After the designated telephone number recording step in which the roaming GW 30 records the MSISDN designated by the mobile device 10 in the recording device 37 and the designated telephone number recording step, a plurality of communications are performed according to the attach / position registration request of the mobile device 10 A plurality of subscriber information transmitted from each of the networks is recorded in the recording device 37 among the subscriber information receiving step received by the roaming GW 30 and the plurality of MSISDN included in each of the plurality of subscriber information. The roaming GW 30 sends the MSISDN that matches the existing MSISDN to the MSISDN that notifies the calling destination of the mobile station 10. Notification number setting step to be set, subscriber information including the notification number set by the roaming GW 30 is included in the subscriber information transmission step in which the roaming GW 30 transmits to the MSC / SGSN 20 and the subscriber information from the roaming GW 30 A notification number recording step in which the MSC / SGSN 20 records the notification number stored in the VLR of the MSC / SGSN 20. Then, after the notification number recording step, the mobile station 10 transmits a transmission request to the MSC / SGSN 20, and when the MSC / SGSN 20 receives the transmission request from the mobile station 10, the transmission request is transmitted to the transmission request. And a request transmission step transmitted by the MSC / SGSN 20 together with a notification number (“MSISDN: notification number”) to the communication network (GMSC 60) to which the request is sent.

  In addition, the roaming GW 30 according to the embodiment that performs roaming for the mobile device 10 assigned with a plurality of MSISDNs set for each of the plurality of communication networks is transmitted from the mobile device 10 as the MSISDN to notify the call destination of the mobile device 10. A designated telephone number recording unit 311 that records the designated MSISDN in the recording device 37 and a subscriber that receives a plurality of subscriber information transmitted from each of a plurality of communication networks in response to an attach / location registration request of the mobile device 10 And a notification for notifying the call destination of the mobile device of the MSISDN that matches the MSISDN recorded in the recording device 37 among the plurality of MSISDNs included in each of the plurality of subscriber information. A notification number setting unit 313 that sets the number for use, and subscriber information transmission that sends subscriber information including the number for notification to the MSC / SGSN 20. And a part 314.

  Therefore, according to the communication control system 1 according to the embodiment, since a caller can select a notification number to be called, a notification number can be set for any of a plurality of MSISDNs set for each communication network. Setting is possible. Therefore, for example, the MSISDN of the local network (the local communication network) can be used as the notification number without using the MSISDN that can be used in the communication network of other countries as the notification number. For this reason, even when a call is made from overseas, it can be continuously used without changing the notification number used in its own network.

<Modification> The present invention is not limited to the above-described embodiment. For example, the MSISDN designated by the user is set as the notification number. However, the present invention is not limited to this, and the MSISDN of the communication network in which the mobile device 10 is located may be automatically set as the notification number. . The roaming GW 30 in this case functionally includes a subscriber information receiving unit 312, a notification number setting unit 313, and a subscriber information transmitting unit 314. Among these, the notification number setting unit 313 replaces the function of the above-described notification number setting unit 313 with a plurality of telephones included in each of the plurality of subscriber information received by the subscriber information receiving unit 312. The function of setting the telephone number belonging to the communication network in which the mobile device 10 is located among the numbers as the notification number to be notified to the call destination of the mobile device 10 is realized. The subscriber information receiving unit 312 to the subscriber information transmitting unit 314 in this case are functions realized by the CPU 31 executing computer software and operating the components of the roaming GW 30 shown in FIG. In particular, the CPU 31 uses the subscriber information receiving unit 312 to the subscriber information transmitting unit 314 to execute processing performed by the roaming GW 30 shown in FIG.

  FIG. 6 is a sequence for explaining the communication control method in this case. Step S31 and step S32 shown in FIG. 6 are the same as step S1 and step S2 shown in FIG. Further, step S33 shown in FIG. 6 is the same as the series of processing contents of step S3 and step S4 shown in FIG. 4, and step S34 shown in FIG. 6 is a series of processes of step S5 and step S6 shown in FIG. It is the same as the contents. After step S34, the notification number setting unit 313 of the roaming GW 30 is included in the attach / location registration request transmitted from the MSC / SGSN 20 provided in the communication network in which the mobile device 10 is located in step S32. Based on “vlrNumber: MSC / SGSN”, the MSISDN of the communication network in which the mobile device 10 is located (“MSISDN: visited communication network”) is specified, and the specified MSISDN is set as a notification number (step S35). , Notification number setting step). In this case, the recording device 37 of the roaming GW 30 records a plurality of subscriber information for each communication network for the mobile device 10, and the subscriber information in the communication network in which the mobile device 10 is located is the plurality of subscription information. Is included in the information.

  After step S35, the subscriber information transmission unit 314 of the roaming GW 30 downloads subscriber information including “IMSI: own network” and “MSISDN: visited communication network” to the MSC / SGSN 20 (step S36, subscriber information). Send step). After step S36, the MSC / SGSN 20 stores “IMSI: own network” and “MSISDN: visited network” included in the subscriber information downloaded from the roaming GW 30 in the VLR of the MSC / SGSN 20, and stores the subscriber information. After the download response is transmitted to the roaming GW 30, processing similar to the series of processing contents after step S10 shown in FIG. 4 is performed (step S37).

  Next, the effect of performing the sequence shown in FIG. 6 will be described. A communication control method according to an embodiment for controlling communication of a mobile device 10 assigned with a plurality of MSISDNs set for each of a plurality of communication networks using the roaming GW 30 according to an attach / position registration request of the mobile device 10 Mobile station 10 among the plurality of subscriber information transmitted from each of the plurality of communication networks, the subscriber information receiving step in which roaming GW 30 receives, and the plurality of MSISDN included in each of the plurality of subscriber information. A notification number setting step in which the roaming GW 30 sets the notification number for notifying the call destination of the mobile device 10 of the MSISDN belonging to the communication network in which the mobile station 10 is located, and a subscriber including the notification number set by the roaming GW 30 A subscriber information transmission step in which the roaming GW 30 transmits information to the MSC / SGSN 20, and a subscriber from the roaming GW 30. The notification number contained in the broadcast, MSC / SGSN 20 comprises a notification number recording step of recording the VLR of MSC / SGSN 20. And it is roaming GW30 which concerns on embodiment which roams with respect to the mobile apparatus 10 to which the several MSISDN assigned to the several communication network was allocated, Comprising: In response to the attachment and position registration request | requirement of the mobile apparatus 10, several A subscriber information receiving unit 312 that receives a plurality of subscriber information transmitted from each of the communication networks, and a communication network in which the mobile device 10 is located among a plurality of MSISDNs included in each of the plurality of subscriber information A notification number setting unit 313 for setting the MSISDN belonging to the mobile station to a call destination of the mobile device, and a subscriber information transmission unit 314 for transmitting subscriber information including the notification number to the MSC / SGSN 20 With. Therefore, the notification number can be automatically set in the MSISDN of the communication network in which the mobile device 10 is located.

  FIG. 7 is a sequence for explaining a communication control method when the mobile device 10 transmits a short message (character information) using SMS (Short Message Service). An IWMSC 70 (Inter Working MSC) shown in FIG. 7 is a relay that is communicably connected to the MSC / SGSN 20, and an SMSC 80 (SMS Center) is an SMS exchange that is communicably connected to the IWMSC 70. The IWMSC 70 and the SMSC 80 are provided in the communication network to which the notification number of the mobile device 10 belongs. Hereinafter, it is assumed that steps S1 to S13 shown in FIG. 4 have been completed. First, the mobile device 10 transmits a short message transmission request (SMS transmission request) to the MSC / SGSN 20 (step S30, transmission request transmission step). This SMS transmission request includes the address of SMSC 80 (the destination of the SMS transmission request) and the MSISDN of another communication device that is the transmission destination of the short message.

  Upon receiving this SMS call request, the MSC / SGSN 20 sets “MSISDN: notification number” held in the VLR of the MSC / SGSN 20 to the notification number of the mobile device 10 that notifies the short message transmission destination. (Step S31). The MSC / SGSN 20 transmits this SMS call request together with “MSISDN: notification number” to the SMSC 80 via the IWMSC 70 (step S32, request transmission step). After step S32, when the SMSC 80 receives the SMS call request and the “MSISDN: notification number” from the MSC / SGSN 20 via the IWMSC 70, the conventional call control is performed based on the “MSISDN: notification number”. (Step S33). As described above, the communication control system 1 can perform a short message transmission process using SMS.

It is a figure which shows the structure of the communication control system which concerns on embodiment. It is a figure which shows the structure of roaming GW. It is a figure which shows the structure of roaming GW. It is a sequence for demonstrating the communication control method which concerns on embodiment. It is a sequence for demonstrating the communication control method which concerns on embodiment. It is a sequence for demonstrating the other communication control method which concerns on embodiment. It is a sequence for demonstrating the communication control method of SMS which concerns on embodiment.

Explanation of symbols

  DESCRIPTION OF SYMBOLS 1 ... Communication control system, 10 ... Mobile station, 20 ... MSC / SGSN, 30 ... Roaming GW, 31 ... CPU, 32 ... RAM, 33 ... ROM, 34 ... Input device, 35 ... Output device, 36 ... Communication device, 37 ... Recording device, 38 ... Bus, 40 ... HLR_own network, 50 ... HLR_other network, 60 ... GMSC, 70 ... IWMSC, 80 ... SMSC, 311 ... designated telephone number recording unit, 312 ... subscriber information receiving unit, 313 ... Notification number setting unit, 314... Subscriber information transmission unit.

Claims (5)

A communication control method for controlling communication of one mobile station assigned with a plurality of telephone numbers set for each of a plurality of communication networks using a communication controller for roaming,
A designated telephone number recording step in which the communication control device records a telephone number designated by the mobile device as a telephone number to be notified to a call destination of the mobile device in a memory of the communication control device;
A subscriber information receiving step in which the communication control device receives a plurality of subscriber information transmitted from each of the plurality of communication networks in response to a location registration request of the mobile device after the designated telephone number recording step; ,
A telephone number that matches a telephone number recorded in the memory of the communication control device among the plurality of telephone numbers included in each of the plurality of subscriber information is notified to a call destination of the mobile device. A notification number setting step which is set by the communication control device to a notification number to be performed;
Subscriber information transmission step in which the communication control device transmits subscriber information including the notification number set by the communication control device to a mobile switching center of the mobile device;
A communication number recording step in which the notification number contained in the subscriber information from the communication control device is recorded in a memory of the visited exchange by the visited exchange. Method. A communication control method for controlling communication of one mobile station assigned with a plurality of telephone numbers set for each of a plurality of communication networks using a communication controller for roaming,
A subscriber information receiving step in which the communication control device receives a plurality of subscriber information transmitted from each of the plurality of communication networks in response to a location registration request of the mobile device;
Among the plurality of telephone numbers included in each of the plurality of subscriber information, the telephone number belonging to the communication network in which the mobile station is located is used as the notification number for notifying the calling destination of the mobile station. A notification number setting step set by the communication control device;
Subscriber information transmission step in which the communication control device transmits subscriber information including the notification number set by the communication control device to a mobile switching center of the mobile device;
A communication number recording step in which the notification number contained in the subscriber information from the communication control device is recorded in a memory of the visited exchange by the visited exchange. Method. After the notification number recording step, the mobile station transmits a transmission request to the serving exchange to transmit a transmission request;
A request transmitting step in which, when the visited exchange receives the call request from the mobile device, the send exchange transmits the call request together with the notification number to a communication network to which the call request is sent. The communication control method according to claim 1 or 2, characterized by the above-mentioned. A communication control device that performs roaming for one mobile device assigned with a plurality of telephone numbers set for a plurality of communication networks,
A designated telephone number recording means for recording a telephone number designated from the mobile device as a telephone number to be notified to a call destination of the mobile device in a memory of the communication control device;
Subscriber information receiving means for receiving a plurality of subscriber information transmitted from each of the plurality of communication networks in response to a location registration request of the mobile device;
Among the plurality of telephone numbers included in each of the plurality of subscriber information, a telephone number that matches a telephone number recorded in the memory is used as a notification number for notifying a calling destination of the mobile device. Notification number setting means to be set;
A communication control device comprising: subscriber information transmission means for transmitting subscriber information including the notification number to a mobile switching center of the mobile device. A communication control device that performs roaming for one mobile device assigned with a plurality of telephone numbers set for a plurality of communication networks,
Subscriber information receiving means for receiving a plurality of subscriber information transmitted from each of the plurality of communication networks in response to a location registration request of the mobile device;
Of the plurality of telephone numbers included in each of the plurality of subscriber information, a telephone number belonging to a communication network in which the mobile station is located is set as a notification number to be notified to a call destination of the mobile station Notification number setting means to perform,
A communication control device comprising: subscriber information transmission means for transmitting subscriber information including the notification number to a mobile switching center of the mobile device.

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