JP5402689B2 - Communication method - Google Patents

Description

  The present application relates to a communication method for performing call connection or mail transfer using a core network.

  With the widespread use of portable communication terminal devices such as mobile phones, there are an increasing number of cases where a plurality of telephone numbers are used differently for personal use and work use. In general, one telephone number assigned by a contracted business entity (carrier) and one e-mail address that can be set by the user are applied to one mobile phone. For this reason, when one user uses a plurality of telephone numbers and the like, it is necessary to possess a plurality of mobile phones. On the other hand, a service in which two telephone numbers of one business entity are assigned to one mobile phone is also started.

  For example, Patent Document 1 proposes a device that uses a plurality of SIM cards (Subscriber Identity Module Cards) to selectively use a plurality of telephone numbers with one mobile phone.

Special Table 2002-543700

  However, carrying a plurality of mobile phones is problematic in that it is often inefficient and inconvenient for the user.

  Further, when using a service to which 2 telephone numbers of one business entity are assigned, there is a restriction that it is not possible to make a contract with a plurality of different business entities.

  In addition, the technique proposed in Patent Document 1 or the like in which a plurality of SIM cards are inserted into one mobile phone has a problem that the design of the mobile phone hardware and the SIM card is required.

  In this application, in view of such circumstances, the first identification information such as the telephone number and the email address related to the first business entity and the second identification information related to the second business enterprise are recorded in association with each other, and alternative communication is permitted. In this case, a communication method is disclosed in which one device such as a mobile phone realizes calling, incoming call, transmission or reception based on a plurality of pieces of identification information.

  The present application relates to a first core network device according to a first entity and a subscriber device according to a first entity that establishes and relays a call connection based on a call from a subscriber device according to the first entity. A first recording device associated with the first entity, wherein the second identification information identifying the subscriber device associated with the second entity is recorded as substituteable identification information in association with the first identification information identified; When the first core network device receives a call request from the subscriber device associated with the first business entity, the call request whose identification information for identifying the call source is the first identification information, An alternative communication determination step for determining whether or not the second identification information is added to the request, and when it is determined by the alternative communication determination step that the second identification information is added, the first recording device To the first identification information and the second identification information A separate information notification step, wherein the first recording device compares the received first identification information and the second identification information with the recorded identification information to determine whether the information can be replaced. And a notification step for notifying the first core network device of permission of alternative communication when it is determined that the determination step is recorded as second replaceable identification information. The network device further transmits a call setting request to which the first identification information is added as the caller and the second identification information is added to the device related to the call destination based on the notification of the alternative communication permission. A communication method for performing the steps is disclosed.

  The present application establishes and relays a call connection based on an incoming call to a subscriber device related to the first business unit, to a first core network device related to the first business unit and a subscriber device related to the second business unit. Identifying a second core network device associated with a second entity and a subscriber device associated with the first entity, which establishes and relays a call connection based on a call, and first identification information required for call connection; and Using a second recording device according to the second entity for identifying the subscriber device associated with the second entity that can be substituted for the first identification information and recording the second identification information required for call connection in association with each other, When the second core network device receives a call setting request based on a call to a call destination identified by the second identification information, the second core network device requests the second recording device to collate the second identification information. A collation request step is performed, and the second recording device A determination step for determining whether the requested second identification information is replaceable second identification information recorded in association with the first identification information, and a second replaceable by the determination step. A notification step of notifying the second core network device of the first identification information recorded in association with the alternative communication permission when it is determined that the second core network is recorded as the identification information; The device further includes a call setting request step of transmitting a call setting request with the second identification information to the first core network device with the first identification information as a call destination based on the notification of the alternative communication permission. And the first core network device notifies the subscriber device of the call destination that the communication is an alternative communication having the second identification information as the call destination, based on the call setting request, and 1 identification information Communication method for performing a call connection establishment step of establishing a call connection based discloses.

  The present application relates to a first core network device according to a first entity and a subscriber device according to a first entity that relays an e-mail transmitted from a subscriber device according to the first entity to a destination. And the second identification information required for transmission / reception of the electronic mail related to the second business entity is recorded as replaceable identification information in association with the first identification information required for transmission / reception of the electronic mail. The first core network device receives an e-mail whose identification information identifying the transmission source is the first identification information from the subscriber device related to the first business entity. In this case, when it is determined by the alternative communication determination step that determines whether or not the second identification information is added to the e-mail and the second identification information is added by the alternative communication determination step, The first recording device The identification information notification step of notifying the first identification information and the second identification information is executed, and the first recording device receives the received first identification information and second identification information, and the recorded identification information A determination step for determining whether or not substitution is possible by collation; and when the determination step determines that recording is performed as alternative second identification information, permission for substitution communication is provided in the first core network device A communication method for executing a transfer step of transferring an e-mail using the second identification information as a transmission source based on the notification of permission for alternative communication. Disclose.

  The present application identifies first subscriber information related to a first entity, first identification information required for transmission / reception of an electronic mail, and first transmission / reception required for transmission / reception of an electronic mail related to a second entity that can be substituted for the first identification information A second recording apparatus according to the second entity that records the identification information in association with each other, and a second recording apparatus according to the second entity that causes the e-mail transmitted with the second identification information as the transmission destination to be transferred to the transmission destination. Using the core network device, the second core network device requests the second recording device to collate the second identification information based on the reception of the e-mail transmitted with the second identification information as the transmission destination. The collation request step is executed, and the second recording device determines whether or not the second identification information requested for collation is replaceable second identification information recorded in association with the first identification information. Judgment step for judging and the judgment A notification step of notifying the second core network device of the first identification information recorded in association as permission of alternative communication when it is determined that the step is recorded as alternative identification information that can be substituted; The second core network device further executes a transfer step of transferring an e-mail to which the first identification information is added and the second identification information is added based on the notification of the alternative communication permission. Is disclosed.

  In the present application, one subscriber device related to the first entity receives a call as a subscriber device related to the second entity, receives an incoming call to the subscriber device related to the second entity, It is possible to perform communication such as transmission of an electronic mail as a subscriber apparatus related to the body and reception of an electronic mail as a subscriber apparatus related to the second business entity.

It is a conceptual diagram which shows the system configuration example of the communication method which concerns on this application. It is a block diagram which shows the hardware structural example of the various apparatuses of the communication method which concerns on this application. It is a block diagram which shows the hardware structural example of the various apparatuses of the communication method which concerns on this application. It is a block diagram which shows the software structural example of the various apparatuses of the communication method which concerns on this application. It is explanatory drawing which shows notionally an example of the recording content of the database of the 1st recording device used with the communication method which concerns on this application. It is a block diagram which shows the software structural example of the various apparatuses of the communication method which concerns on this application. It is a conceptual diagram which shows the process example of the communication method which concerns on Example 1 of this application. It is a sequence diagram which shows the process example of the communication method which concerns on Example 1 of this application. It is a conceptual diagram which shows the process example of the communication method which concerns on Example 2 of this application. It is a sequence diagram which shows the process example of the communication method which concerns on Example 2 of this application. It is explanatory drawing which shows the example of a screen displayed on the subscriber apparatus used with the communication method which concerns on Example 2 of this application. It is a conceptual diagram which shows an example of the data format concerning the notification used with the communication method which concerns on Example 2 of this application. It is a conceptual diagram which shows an example of the data format concerning the request | requirement used with the communication method which concerns on Example 2 of this application. It is a conceptual diagram which shows an example of the data format concerning the notification used with the communication method which concerns on Example 2 of this application. It is a conceptual diagram which shows the process example of the communication method which concerns on Example 3 of this application. It is a sequence diagram which shows the process example of the communication method which concerns on Example 3 of this application. It is a conceptual diagram which shows an example of the data format which concerns on the notification used with the communication method which concerns on Example 3 of this application. It is a conceptual diagram which shows the process example of the communication method which concerns on Example 4 of this application. It is a sequence diagram which shows the process example of the communication method which concerns on Example 4 of this application. It is explanatory drawing which shows the example of a screen displayed on the subscriber apparatus used with the communication method which concerns on Example 4 of this application. It is a conceptual diagram which shows the process example of the communication method which concerns on Example 5 of this application. It is a sequence diagram which shows the process example of the communication method which concerns on Example 5 of this application.

  Hereinafter, the technical contents disclosed in the present application will be described in detail with reference to the drawings illustrating the embodiments. FIG. 1 is a conceptual diagram illustrating a system configuration example of a communication method according to the present application. In the communication method according to the present application, a first core network device 1a managed by a first business entity such as a communication carrier (hereinafter, the core network device is referred to as a CN (Core Network) device) is used. The first CN device 1a controls various communications related to wireless communications such as call connection control and e-mail transfer control related to the first business entity. For the sake of convenience, the first CN device 1a is described as a single device, but may be configured by a plurality of devices connected by a communication network managed by the first business entity.

  A first recording device 2a (hereinafter referred to as an HLR (home location register) device) is connected to the first CN device 1a via a communication network. The first HLR device 2a is a database device that records various information related to communication.

  In addition, a first mail server device (ML) 3a managed by the first business entity is connected to the first CN device 1a via a communication network. The first mail server device 3a is a device that transfers electronic mail based on a protocol such as SMTP or POP.

  Furthermore, the 1st CN apparatus 1a is connected to the base station (BS: Base Station) installed in each place via a communication network. And the 1st CN apparatus 1a performs radio | wireless communication with subscriber apparatuses 4, such as a mobile telephone for enjoying the communication service provided in a 1st business entity via a base station. The subscriber device 4 is used by a user who has a contract with a communication carrier such as a first business entity.

  The communication network also mediates a communication service of a second entity such as another communication carrier that is affiliated with the first entity. Similar to the first business entity, the second business entity manages various communication devices such as the second CN device 1b, the second HLR device 2b, and the second mail server device (ML) 3b. For convenience, the second CN device 1b is described as a single device, but may be configured by a plurality of devices connected by a communication network managed by the second business entity.

  In the above description, it has been described that each CN device is allowed to be configured by a plurality of devices connected by a communication network. However, the HLR device and the mail server device are also configured by a plurality of devices. It is possible. In addition, all or any two of the CN devices, the HLR devices, and the mail server devices of each business entity may be configured as one device.

  The communication method of the present application shown in such a configuration example uses the subscriber device 4 with which the user has contracted with the first business entity as the main carrier, and substitute communication as the subscriber device 4 related to the second business entity. Can be realized. Alternative communication refers to performing communication such as outgoing and incoming calls, transmission and reception of e-mail, etc., as the subscriber unit 4 related to the second entity, using the subscriber unit 4 related to the first entity. Say.

  Next, the hardware configuration of various devices according to the communication method of the present application will be described. FIG. 2 is a block diagram illustrating a hardware configuration example of various apparatuses of the communication method according to the present application. FIG. 2 shows the first CN device 1a, the first HLR device 2a, the first mail server device 3a, and the subscriber device 4 according to the first business entity.

  The first CN device 1a is a device configured using a computer such as a server computer, for example, and includes various mechanisms such as a control unit 10a, an auxiliary storage unit 11a, a recording unit 12a, a storage unit 13a, and a communication unit 14a. Yes.

  The control unit 10a is an arithmetic mechanism such as a CPU (Central Processing Unit) that controls the entire apparatus. The control unit 10a includes various circuits such as a memory circuit, an arithmetic circuit, a counting circuit, and a time measuring circuit, and executes processing based on various programs. Furthermore, the control part 10a is connected with each hardware part of the 1st CN apparatus 1a via the internal communication line. And a predetermined process is performed according to the procedure of various programs, such as communication program PRG1 for 1st HLR apparatuses.

  The auxiliary storage unit 11a is a reading mechanism such as an optical drive that reads various information such as the communication program PRG1 and data from a recording medium such as a CD-ROM, DVD-ROM, or flash memory.

  The recording unit 12a is a recording mechanism such as a magnetic recording mechanism such as an HDD (Hard Disk Drive) or a non-volatile semiconductor recording mechanism such as an SSD (Solid State Disk). Various information such as the read communication program PRG1 and data is recorded in the recording unit 12a by the auxiliary storage unit 11a. The recording unit 11a records not only the communication program PRG1 but also various computer programs and data for executing various processes.

  The storage unit 13a is a storage mechanism such as a volatile storage mechanism such as a RAM (Random Access Memory).

  The first CN device 1a reads various information such as the communication program PRG1 recorded in the recording unit 12a, temporarily stores it in the storage unit 13a, and executes it under the control of the control unit 10a. Various processes as the 1CN device 1a are executed.

  The communication unit 14a is a communication mechanism that is formed by hardware such as various circuits and software such as firmware that connects to a communication network and executes communication processing with other devices via the communication network. And the 1st CN apparatus 1a performs transmission / reception of messages, information, and a signal, such as various requests | requirements, notifications, and instructions, via the communication part 14a.

  The first HLR device 2a is configured using a computer such as a server computer, for example, and includes various mechanisms such as a control unit 20a, a recording unit 21a, a storage unit 22a, and a communication unit 23a.

  The first mail server device 3a includes various mechanisms such as a control unit 30a, a recording unit 31a, a storage unit 32a, and a communication unit 33a.

  The subscriber device 4 is configured using a wireless communication terminal device such as a mobile phone, for example, and includes a control unit 40, a recording unit 41, a communication unit 42, an operation input unit 43, a display unit 44, a voice input unit 45, a voice output. Various mechanisms such as a portion 46 are provided.

  The control unit 40 is an arithmetic mechanism such as a CPU.

  The recording unit 41 is, for example, a memory composed of a flash memory, various circuits, and the like, and includes various mechanisms such as a program and circuit related to telephone communication by call connection and a program and circuit related to electronic mail transmission / reception.

  The communication unit 42 is formed by hardware such as various circuits and software such as firmware that are connected to a communication network via a base station and perform communication processing with other devices via the communication network by wireless communication. Communication mechanism.

  The operation input unit 43 is an interface mechanism that receives user operations. The operation input unit 43 is configured as a mechanism such as various keys, a touch panel, and an attached circuit thereof, for example.

  The display unit 44 is an interface mechanism that outputs video. The display unit 44 includes a liquid crystal display that outputs video and a mechanism such as an attached circuit thereof.

  The voice input unit 45 is an interface mechanism that accepts voice input. The audio input unit 45 is configured by functions such as a microphone and its attached circuit, receives audio from the outside as an analog signal, converts it into a digital signal, and outputs it to the control unit 40.

  The audio output unit 46 is an interface mechanism that outputs audio. The audio output unit 46 is configured by a mechanism such as a speaker and its attached circuit, receives digital audio from the control unit 40 via an internal communication line, and outputs it as analog audio to the outside.

  FIG. 3 is a block diagram illustrating a hardware configuration example of various apparatuses of the communication method according to the present application. FIG. 3 shows a second CN device 1b, a second HLR device 2b, and a second mail server device 3b according to the second business entity.

  The second CN device 1b is configured using, for example, a computer such as a server computer, and includes various mechanisms such as a control unit 10b, an auxiliary storage unit 11b, a recording unit 12b, a storage unit 13b, and a communication unit 14b.

  The second CN device 1b reads various information such as the communication program PRG2 for the second CN device recorded in the recording unit 12b, temporarily stores it in the storage unit 13b, and executes it under the control of the control unit 10b. Various processes as the second CN device 1b according to the present application are executed.

  The second HLR device 2b is a device configured using a computer such as a server computer, for example, and includes various mechanisms such as a control unit 20b, a recording unit 21b, a storage unit 22b, and a communication unit 23b.

  The second mail server device 3b includes various mechanisms such as a control unit 30b, a recording unit 31b, a storage unit 32b, and a communication unit 33b.

  Next, functional configurations of various apparatuses according to the communication method of the present application will be described. FIG. 4 is a block diagram illustrating a software configuration example of various apparatuses of the communication method according to the present application. FIG. 4 shows the first CN device 1a and the first HLR device 2a according to the first business entity.

  The first CN device 1a executes the communication program PRG1 for the first CN device based on the control of the control unit 10a, whereby the alternative communication determination unit 100a, the identification information notification unit 101a, the call setting request unit 102a, and the call connection establishment unit 103a. Processing as a function of the transfer unit 104a and the like is executed. Instead of executing the communication program PRG1, a circuit that realizes functions of the alternative communication determination unit 100a, the identification information notification unit 101a, the call setting request unit 102a, the call connection establishment unit 103a, the transfer unit 104a, etc. It may be incorporated.

  The alternative communication determination unit 100a is a component such as a program module or a circuit that operates the control unit 10a so as to determine whether alternative communication is possible.

  The identification information notification unit 101a is a component such as a program module or a circuit that operates the control unit 10a so as to notify the first HLR device 2a of identification information such as first identification information and second identification information. The notification of the identification information is performed for confirming whether or not alternative communication is possible.

  The call setting request unit 102a is a component such as a program module or a circuit that operates the control unit 10a so as to transmit a call setting request to a call destination CN device.

  The call connection establishment unit 103a is a component such as a program module or a circuit that operates the control unit 10a so as to establish a call connection based on a call setting request.

  The transfer unit 104a is a component such as a program module or a circuit that operates the control unit 10a so as to transfer an e-mail using the second identification information as a transmission source based on the notification of the alternative communication permission.

  As described above, the first CN device 1a can be configured by a plurality of devices connected by a communication network, and each of the above-described functions can be partially or entirely performed by each device. Is executed.

  The first HLR device 2a executes processing as functions of the determination unit 200a, the notification unit 201a, the substitution permission request unit 202a, and the like based on the control of the control unit 20a. Circuits that realize functions such as the determination unit 200a, the notification unit 201a, and the substitution permission request unit 202a may be incorporated.

  The determination unit 200a is a component such as a program module or a circuit that operates the control unit 20a so as to determine whether or not alternative communication is possible.

  The notification unit 201a is a component such as a program module or a circuit that operates the control unit 20a so as to notify permission of alternative communication when it is determined that alternative communication is possible.

  The substitution permission request unit 202a is a component such as a program module or a circuit that operates the control unit 20a so as to request permission of substitution communication for communication capable of substitution communication.

  Further, the first HLR device 2a uses a part of the recording area of the recording unit 21a as a database 210a for recording information about the subscriber device 4 based on the control of the control unit 20a. Instead of using a part of the recording area of the recording unit 21a as the database 210a, another device connected to the first HLR device 2a may be used as the database 210a.

  FIG. 5 is an explanatory diagram conceptually showing an example of the recorded contents of the database 210a of the first recording device 2a used in the communication method according to the present application. Information relating to communication for each subscriber device 4 is recorded in the database 210a. FIG. 5 shows items of various information recorded in the database 210a. In FIG. 5, items from “Invoke Id” to “Provider error” shown as A indicate recording items used in the conventional HLR apparatus. In the database 210a of the first HLR device 2a according to the present application, in addition to the recorded contents of the conventional HLR device, “alternative communication contract state”, “main carrier information”, “subcarrier information”, “main carrier / subcarrier identification” Information relating to items such as “information (contract phone number)”, “main carrier / subcarrier identification information (e-mail address)”, “main carrier / subcarrier other identification information”, and the like is recorded.

  The alternative communication contract status is an item for recording the availability of alternative communication based on the presence or absence of an alternative communication contract.

  The main carrier information is information related to the main carrier such as information indicating the main carrier, and includes various information such as the name of the business entity, the IP addresses of the CN device and the HLR device, and the point code. The main carrier is a communication carrier of an original contractor related to the subscriber device 4 used by the user, and in the example shown in the present application, the first carrier is shown.

  The subcarrier information is information indicating a subcarrier and information related to the subcarrier, and includes various information such as the name of the business entity, the IP address of the CN device and the HLR device, and a point code. Note that the subcarrier is a communication carrier contracted separately from the original contractor related to the subscriber apparatus 4, and the example shown in the present application indicates the second business entity.

  The main carrier / subcarrier identification information (contract telephone number) is recorded in association with the first identification information relating to the call connection relating to the first entity and the second identification information relating to the call connection relating to the second entity. It is an item. Specifically, the first identification information related to the call connection indicates information for identifying the subscriber device 4 such as a telephone number related to the first business entity assigned to the subscriber device 4. The second identification information related to the call connection indicates information such as a telephone number related to the second business entity.

  Main carrier / subcarrier identification information (e-mail address) is associated with first identification information related to transmission / reception of e-mail related to the first entity and second identification information related to transmission / reception of e-mail related to the second entity. It is an item to record.

  The main carrier / subcarrier other identification information indicates information for identifying the subscriber device 4 other than the telephone number and the e-mail address. For example, when there is identification information based on a standard such as IMSI (International Mobile Subscriber Identity), IMT2000 (International Mobile Telecommunication 2000), the item is set.

  Note that the number of second entities used as subcarriers is not necessarily limited to one, and when there are a plurality of second entities used as subcarriers, various types of identification information relating to each entity are recorded.

  FIG. 6 is a block diagram illustrating a software configuration example of various apparatuses of the communication method according to the present application. FIG. 6 shows a second CN device 1b and a second HLR device 2b according to the second business entity.

  The second CN device 1b executes the communication program PRG2 for the second CN device based on the control of the control unit 10b, so that the call connection establishment unit 100b, the identification information conversion unit 101b, the matching request unit 102b, the call setting request unit 103b, Processing is executed as a function of the transfer unit 104b and the like. Instead of executing the communication program PRG2, circuits that realize functions such as the call connection establishment unit 100b, the identification information conversion unit 101b, the verification request unit 102b, the call setting request unit 103b, and the transfer unit 104b are incorporated in the control unit 10b. You may do it.

  The call connection establishment unit 100b is a component such as a program module or a circuit that operates the control unit 10b so as to establish a call connection.

  The identification information conversion unit 101b is a component such as a program module and a circuit that causes the control unit 10 to operate so as to convert the first identification information and the second identification information when a call connection is established by alternative communication.

  The verification request unit 102b is a component such as a program module or a circuit that operates the control unit 10 so as to request verification of identification information in order to confirm whether or not alternative communication is possible.

  The call setting request unit 103b is a component such as a program module or a circuit that operates the control unit 10b so as to transmit a call setting request to a call destination CN device.

  The transfer unit 104b is a component such as a program module or a circuit that operates the control unit 10 so as to transfer an e-mail.

  As described above, the second CN device 1b can be configured by a plurality of devices connected via a communication network, and each of the above-described functions can be partially or entirely performed by each device. Is executed.

  The second HLR device 2b executes processing as functions of the determination unit 200b, the notification unit 201b, and the like based on the control of the control unit 20b. In addition, you may make it incorporate the circuit which implement | achieves functions, such as the determination part 200b and the notification part 201b.

  The determination unit 200b is a component such as a program module or a circuit that operates the control unit 20b so as to determine whether alternative communication is possible.

  The notification unit 201b is a component such as a program module or a circuit that operates the control unit 20b so as to notify permission of alternative communication when it is determined that the alternative communication is possible.

  Further, the second HLR device 2b uses a part of the recording area of the recording unit 21b as a database 210b for recording information about the subscriber device 4 based on the control of the control unit 20b. Note that a part of the recording area of the recording unit 21b is not used as the database 210b, but another device connected to the second HLR device 2b may be used as the database 210b. Since the recorded content of the database 210b is the same as that of the database 210a, the description of the database 210a described with reference to FIG. In the database 210b, information on the subscriber device 4 in which the main carrier is the first entity and the subcarrier is the second entity is recorded, and the second entity is recorded as the “substitute communication contract status”. It is recorded whether or not there is an alternative communication contract.

  Various processes using various apparatuses according to the communication method configured as described above will be described below as examples.

Example 1
FIG. 7 is a conceptual diagram illustrating a processing example of the communication method according to the first embodiment of the present application, and FIG. 8 is a sequence diagram illustrating a processing example of the communication method according to the first embodiment of the present application. The first embodiment shows processing related to location registration in alternative communication using the communication method of the present application. The process related to the location registration is a process of registering the location information indicating the location where the subscriber device 4 exists in the HLR device. In the communication method of the present application, the location information is registered not only for the main carrier HLR device but also for the subcarrier HLR device. In the following description, the location information related to the subscriber device 4 having the first business entity as the main carrier is transmitted not only to the first HLR device 2a but also to the second HLR device 2b related to the second business entity that is a subcarrier. Processing related to location registration in the case of registration will be described.

  The subscriber device 4 accesses the first CN device 1a via the base station under the control of the control unit 40, thereby providing the location information indicating its own location based on the installed location of the base station to the first CN device 1a. (S101).

  The first CN device 1a notifies the received location information of the subscriber device 4 to the first HLR device 2a under the control of the control unit 10a (S102).

  The first HLR device 2a records the received location information of the subscriber device 4 in the database 210a under the control of the control unit 20a (S103). The processes in steps S101 to S103 are existing processes, and various methods that have been implemented or proposed in existing systems are used as the location location information acquisition method, registration method, and authentication method for notification. Is possible.

  And the 1st HLR apparatus 2a performs the process demonstrated below based on control of the control part 20a as a process which concerns on the communication method of this application. The control unit 20a of the first HLR device 2a determines whether or not the subscriber device 4 that has recorded the location information is a contract terminal for alternative communication (S104). In step S104, the first HLR device 2a executes the determination process by referring to the item of the alternative communication contract state recorded in the database 210a.

  If it is determined in step S104 that the terminal is a contract terminal for alternative communication (S104: YES), the control unit 20a extracts the subcarrier information recorded in the database 210a (S105). For example, information such as IP addresses and point codes of the second CN device 1b and the second HLR device 2b related to the second business entity that is a subcarrier is extracted as subcarrier information.

  If it is determined in step S104 that the terminal is not a contract terminal for alternative communication, the process related to the existing location registration is executed, and thus the description thereof is omitted in the present application.

  Based on the extracted subcarrier information, the control unit 20a notifies the second HLR device 2b of the location information of the subscriber device 4 (S106). For the notification in step S106, it is possible to use an existing protocol such as MAP or Diameter.

  The control unit 20b of the second HLR device 2b related to the second business unit records the received location information of the subscriber device 4 in the database 210b (S107), and sends a completion notification indicating that the recording is completed. The 1HLR device 2a is notified (S108). In step S107, the location information is recorded in the database 210b as information related to the subscriber device 4 in which the second entity is a subcarrier.

  The control unit 20a of the first HLR device 2a according to the first business entity receives the completion notification notified from the second HLR device 2b. In addition, when there are a plurality of second business entities contracted as subcarriers, the first HLR device 2a performs the processes of steps S106 to S108 on the second HLR device 2b of each second business entity.

  Then, under the control of the control unit 20b, the second HLR device 2b notifies the first CN device 1a of a completion notification indicating that the recording of the location information has been completed (S109).

  The first CN device 1a receives a completion notification under the control of the control unit 10a, and further notifies the subscriber device 4 of the completion notification (S110). The processes in steps S109 to S110 are existing processes, and various methods implemented or proposed in existing systems can be used.

  In this way, processing related to location registration in alternative communication is executed. By managing the location information in the second HLR device 2b related to the second entity, the second CN can be used for communication such as an incoming call to the telephone number related to the second entity as a subcarrier of the subscriber device 4. The device 1b and the second HLR device 2b can cope with each other.

(Example 2)
FIG. 9 is a conceptual diagram illustrating a processing example of the communication method according to the second embodiment of the present application, and FIG. 10 is a sequence diagram illustrating a processing example of the communication method according to the second embodiment of the present application. The second embodiment shows a process for a call based on the second identification information relating to the second business entity in the alternative communication using the communication method of the present application. The processing for the outgoing call described as the second embodiment is that the subscriber device 4 having the second business entity as a subcarrier is connected to another subscriber device 4 by the second identification information related to the second business entity. This is a process of making a call to establish IP telephone communication according to. In the following description, an example is described in which the telephone number assigned by the first entity is used as the first identification information, and the telephone number assigned by the second entity is used as the second identification information. . For convenience, the call destination is described as the subscriber device 4 associated with the second entity, but the call destination does not need to be the second entity, but is the subscriber device 4 associated with the first entity. Alternatively, it may be a subscriber device 4 related to another business entity.

  The user who uses the subscriber apparatus 4 selects the second business entity as the business entity related to the call and performs an operation for making a call. FIG. 11 is an explanatory diagram illustrating an example of a screen displayed on the subscriber device 4 used in the communication method according to the second embodiment of the present application. FIG. 11 shows an example of a prefix selection screen displayed on the display unit 44 of the subscriber device 4 when selecting a business entity. FIG. 11A shows a selection screen for a business entity used as a caller. When making a call, the user displays the selection screen shown in FIG. 11A and selects a business entity from the pull-down menu. FIG. 11A shows an example in which a telephone number is displayed on the screen as a business entity to be selected. Moreover, the telephone number which concerns on the 1st business entity which is a main carrier is shown by the upper part of a screen. FIG. 11B shows a screen when a call is made by the selected business entity. When the second business entity is selected, the telephone number related to the second business entity that is the subcarrier is shown at the top of the screen together with the telephone number related to the first business entity that is the main carrier. After selecting the business entity, the user performs an input indicating the image indicated as outgoing, thereby starting the calling process as the selected business entity. The user performs these operations, for example, by inputting from the operation input unit 43.

  The subscriber device 4 that has accepted the operation notifies the first CN device 1a via the base station of a call request as a call processing under the control of the control unit 40 (S201). In the call request notified in step S201, a telephone number as the first identification information is shown as identification information for identifying the caller in a message such as SETUP, and further, as the second identification information, A telephone number is added. The message format and various protocols for calling between the subscriber unit 4 and the first CN device 1a can use various methods implemented or proposed in existing systems. 2 identification information is added.

  The first CN device 1a executes various processes described below under the control of the control unit 10a that executes the communication program PRG1 for the first CN device. The control unit 10a of the first CN device 1a accepts a call request whose identification information for identifying the caller is the first identification information, and the alternative communication determination unit 100a adds the second identification information to the call request. It is determined whether or not (S202). When the second identification information is added, the first CN device 1a determines that the subscriber device 4 requests alternative communication.

  When it is determined in step S202 that the second identification information is added (S202: YES), the control unit 10a uses the identification information notification unit 101a to identify the first identification information for identifying the call source of the call request and The added second identification information is notified to the first HLR device 2a (S203). For the notification in step S203, it is possible to use an existing protocol such as MAP or Diameter.

  If it is determined in step S202 that the second identification information is not added, that is, if it is determined in step S202 that the alternative communication is not requested, the existing call processing is executed. Therefore, the description is omitted in the present application.

  FIG. 12 is a conceptual diagram illustrating an example of a data format related to notification used in the communication method according to the second embodiment of the present application. FIG. 12 shows an example of a data format used for notification from the first CN device 1a to the first HLR device 2a in step S203. In the notification, “Invoke ID” is given as an identifier, and the first identification information and the second identification information are indicated. The first identification information is a telephone number related to the first business entity, but other identification information such as IMSI can also be used. As the second identification information, a telephone number related to the second business entity is used.

  The control unit 20a of the first HLR device 2a determines whether or not the received first identification information and second identification information can be replaced with the identification information recorded in the database 210a by the determination unit 200a. (S204). In step S204, the record content corresponding to the first identification information in the database 210a records that the alternative communication is permitted as the alternative communication contract state, and the first identification information and the second identification information are associated with each other. If it is stored, it is determined that it can be replaced.

  In step S204, when it is determined that substitution is possible (S204: YES), the control unit 20a transmits the received second identification information to the second HLR device 2b by the substitution permission request unit 202a (S205). In step S205, the second identification information is transmitted to the second HLR device 2b, thereby requesting the second HLR device 2b to permit the alternative communication.

  If it is determined in step S204 that substitution is not possible, a predetermined abnormality process for notifying the subscriber apparatus 4 via the first CN apparatus 1a to that effect and ending the process related to substitution communication is executed. .

  FIG. 13 is a conceptual diagram illustrating an example of a data format related to a request used in the communication method according to the second embodiment of the present application. FIG. 13 shows an example of a data format used for requesting permission of alternative communication from the first HLR device 2a to the second HLR device 2b in step S205. The request is given “Invoke Id” as an identifier, and second identification information is indicated.

  The control unit 20b of the second HLR device 2b uses the determination unit 200b to check whether the received second identification information can be replaced by collating with the second identification information recorded in the database 210b (S206). ). In step S206, when the received 2nd identification information is recorded on the database 210b as 2nd identification information which has contracted for alternative communication as a subcarrier, it determines with substitution being possible.

  If it is determined in step S206 that the information is recorded as replaceable second identification information (S206: YES), the control unit 20b notifies the first HLR device 2a of the permission of the alternative communication by the notification unit 201b (S207). ).

  If it is determined in step S206 that substitution is not possible, a notification is given to the subscriber device 4 via the first HLR device 2a and the first CN device 1a, and a predetermined abnormality for terminating the processing related to substitution communication is completed. Processing is executed.

  When the notification unit 201a receives the notification of the alternative communication permission, the control unit 20a of the first HLR device 2a notifies the first CN device 1a of the alternative communication permission (S208). The second identification information is indicated in the alternative communication permission notified in step S208.

  The control unit 10a of the first CN device 1a uses the call setting request unit 102a to generate a call setting request with the first identification information as the caller and the second identification information added based on the received notification of the alternative communication permission. It transmits to the 2nd CN1b apparatus which concerns on a call destination (S209). The call setting request is transmitted as a message such as IAM or INVITE based on a communication protocol standard such as SLIP or SIP. As described above, the following description will be made assuming that the calling subscriber device is a subscriber device related to the second business entity. Therefore, the transmission destination of the call setting request is the second CN device 2a.

  FIG. 14 is a conceptual diagram illustrating an example of a data format related to notification used in the communication method according to the second embodiment of the present application. FIG. 14 shows an example of a data format used for a call setup request from the first CN device 1a to the second CN device 1b in step S209. The notification includes items indicating information such as alternative communication and information such as second identification information related to alternative communication in items conforming to SIP such as “To” and “From”. The item “From” indicates the first identification information as the caller.

  The second CN device 1b executes various processes described below under the control of the control unit 10b that executes the communication program PRG2 for the second CN device. Based on the received call setting request, the control unit 10b of the second CN device 1b recognizes that the communication is the alternative communication based on the second identification information, and receives the second identification information from the calling destination subscriber device 4. A call connection based on the above is established (S210). The second CN device 1b transmits a message such as SETUP in which the caller identification information is converted to the second identification information to the callee subscriber device 4 to establish a call connection. Since a message having the caller as the second identification information is notified to the callee subscriber apparatus 4, the callee subscriber apparatus 4 receives a message from the telephone having the second identification information as a telephone number. Processing such as display is performed as an incoming call.

  When establishing a call connection and transmitting / receiving a communication packet based on the call connection, the control unit 10b communicates with the first CN device 1a based on the first identification information by the identification information conversion unit 101b, and the calling subscriber device. 4 and identification information conversion processing is performed to communicate based on the second identification information (S211). Note that various methods implemented or proposed as existing protocols can be used for communication-related processing other than conversion processing and end-call processing.

  After the end of the call, the first CN device 1a transmits detailed information indicating details related to the call to a detailed device (not shown) related to the first business entity. When it is determined that the received detailed information indicates the details related to the alternative communication, the detailed device transfers the detailed information to a detailed device (not shown) related to the second business entity. The detail device according to the second business unit executes the billing process based on the received detail information. In this way, by sending the detailed information to the detailed device related to the second business unit, the alternative business is charged at the second business unit. For example, when the carrier is used separately for private use and work In addition, it is possible to execute the optimum charging process without charging the one business entity.

  In this way, the alternative communication when calling as the subscriber device 4 of the second business entity to be replaced is executed.

(Example 3)
FIG. 15 is a conceptual diagram illustrating a processing example of the communication method according to the third embodiment of the present application, and FIG. 16 is a sequence diagram illustrating a processing example of the communication method according to the third embodiment of the present application. The third embodiment shows processing for an incoming call using the second identification information related to the second business entity as a call destination in alternative communication using the communication method of the present application. The process for an incoming call described as the third embodiment is a process for establishing IP telephone communication by call connection when a call connection request having the second identification information as a call destination is accepted. In the following description, an example is described in which the telephone number assigned by the first entity is used as the first identification information, and the telephone number assigned by the second entity is used as the second identification information. .

  The calling party subscriber device 4 sends a call request such as SETUP transmitted using the call destination as the second identification information to a base station managed by the entity related to the calling source subscriber device 4. To the CN device. When making a call, the calling subscriber apparatus 4 does not need to recognize that the calling subscriber apparatus 4 performs alternative communication. The calling subscriber device 4 may be a subscriber device 4 associated with any business entity as long as it can establish a call connection. The CN device that has been notified of the call request sends a call setting request to the second CN device 1b of the second business entity as a message such as IAM or INVITE based on a communication protocol standard such as SLIP or SIP. Note that various methods implemented or proposed in existing systems are used for the message format and various protocols when a call is made until the call request is notified from the subscriber device 4 to the second CN device 1b. Is also possible.

  The second CN device 1b executes various processes described below under the control of the control unit 10b that executes the communication program PRG2 for the second CN device. The control unit 10b of the second CN device 1b receives a call setting request whose call destination is the second identification information, and requests the second HLR device 2b to collate the second identification information by the collation request unit 102b (S301). . An existing protocol such as MAP can be used for the verification request, and the second identification information is notified to the second HLR device 2b.

  The control unit 20b of the second HLR device 2b determines whether or not the second identification information requested for collation by the determination unit 200b is replaceable second identification information recorded in the database 210b (S302). ). In step S302, when it is recorded in the database 210b that the alternative communication is permitted as the alternative communication contract state, and is recorded as the replaceable second identification information associated with the first identification information, It is determined that the second communication identification information can be replaced.

  When it determines with it being 2nd identification information which can be substituted in step S302 (S302: YES), the control part 20b extracts the 1st identification information and the in-zone position information currently recorded correspondingly from the database 210b. (S303). Then, the control unit 20b notifies the second CN device 1b of the extracted first identification information and in-zone location information as permission of alternative communication by the notification unit 201b (S304). An existing protocol such as MAP can be used for notification of the alternative communication permission.

  If it is determined in step S302 that the identification information is not replaceable second identification information, the fact is notified to the second CN device 1b, and the second CN device 1b executes the process related to the existing call setting. Therefore, the description is omitted in the present application.

  The control unit 10b of the second CN device 1b transmits, to the first CN device 1a, a call setting request to which the first identification information is added and the second identification information is added based on the received notification of the permitted alternative communication (calling destination). S305). The call setting request is transmitted as a message such as IAM or INVITE based on a communication protocol standard such as SLIP or SIP.

  FIG. 17 is a conceptual diagram illustrating an example of a data format related to notification used in the communication method according to the third embodiment of the present application. FIG. 17 shows an example of a data format used for a call setup request from the second CN device 1b to the first CN device 1a in step S305. The notification includes items indicating information such as alternative communication and information such as second identification information related to alternative communication in items conforming to SIP such as “To” and “From”. Note that the item “To” indicates first identification information as a call destination.

  The first CN device 1a executes various processes described below under the control of the control unit 10a that executes the communication program PRG1 for the first CN device. Based on the received call setup request, the first CN device 1a checks the latest location information of the subscriber device 4 related to the first business entity with respect to the first HLR device 2a. The location location information confirmation process is an existing process executed in accordance with a protocol such as MAP before call setting.

  Based on the call setting request, the control unit 10a of the first CN device 1a sends the second identification information to the subscriber device 4 related to the first business entity that is the call destination and the call destination. The call connection is established and the call connection based on the first identification information is established (S306). The first CN device 1a transmits a message such as SETUP to which the second identification information indicating alternative communication is added to the calling destination subscriber device 4, and the calling source subscriber device 4 A call connection is established with the subscriber apparatus 4 associated with the business entity. The subscriber device 4 displays on the display unit 44 that the communication is alternative communication and the second identification information.

  Various methods implemented or proposed as existing protocols can be used for processing related to transmission / reception of communication packets based on call connection and call termination processing.

  In this way, the alternative communication when the incoming call is accepted as the subscriber apparatus 4 of the second entity to be substituted is executed.

Example 4
FIG. 18 is a conceptual diagram illustrating a processing example of the communication method according to the fourth embodiment of the present application, and FIG. 19 is a sequence diagram illustrating a processing example of the communication method according to the fourth embodiment of the present application. The fourth embodiment shows a process for email transmission based on the second identification information related to the second business entity in the alternative communication using the communication method of the present application. The process for email transmission described as the fourth embodiment is that the subscriber device 4 having the second business entity as a subcarrier sends an email to the destination device using the second identification information related to the second business entity. It is a process to transmit. In the following description, an e-mail address set for the subscriber device 4 associated with the first entity is used as the first identification information, and the subscriber device associated with the second entity is used as the second identification information. An example in which the e-mail address set for 4 is used will be described.

  The user who uses the subscriber device 4 performs an operation of selecting and transmitting the second business entity as the business entity related to the e-mail transmission. FIG. 20 is an explanatory diagram illustrating an example of a screen displayed on the subscriber device 4 used in the communication method according to the fourth embodiment of the present application. FIG. 20 shows an example of a prefix selection screen displayed on the display unit 44 of the subscriber apparatus 4. FIG. 20A shows a selection screen for a business entity used as an e-mail transmission source. When transmitting, the user displays the selection screen shown in FIG. 20A and selects a business entity from the pull-down menu. FIG. 20A shows an example in which an e-mail address is displayed on the screen as a business entity to be selected. In the upper part of the screen, an e-mail address relating to the first business entity which is the main carrier is shown. FIG. 20B shows a screen for transmission by the selected business entity. When the second business entity is selected, the upper part of the screen shows the e-mail address related to the second business entity that is the subcarrier together with the e-mail address related to the first business entity that is the main carrier. After selecting the business entity, the user performs an input indicating the image indicated as transmission, thereby starting the e-mail transmission process with the selected business entity. The user performs these operations, for example, by inputting from the operation input unit 43.

  The subscriber device 4 that has accepted the operation transmits an e-mail to the first CN device 1a via the base station under the control of the control unit 40 (S401). The e-mail transmitted in step S401 shows the first identification information as the e-mail address of the transmission source, and further, for example, an e-mail address as the second identification information is added to the header area. The message format and various protocols for outgoing calls between the subscriber device 4 and the first CN device 1a can use various methods implemented or proposed in existing systems, but optional areas such as headers. The second identification information is added to.

  The first CN device 1a executes various processes described below under the control of the control unit 10a that executes the communication program PRG1 for the first CN device. Whether the control unit 10a of the first CN device 1a receives an e-mail whose e-mail address identifying the transmission source is the first identification information, and whether the e-mail and the second identification information are added by the alternative communication determination unit 100a. It is determined whether or not (S402). When the second identification information is added, the first CN device 1a determines that the subscriber device 4 requests alternative communication.

  If it is determined in step S402 that the second identification information is added (S402: YES), the control unit 10a uses the identification information notification unit 101a to add the first identification information for identifying the transmission source and the added first identification information. 2 is notified to the first HLR device 2a (S403). An existing protocol such as MAP or Diameter can be used for the notification in step S403.

  If it is determined in step S402 that the second identification information is not added, that is, if it is determined in step S402 that the alternative communication is not requested, the existing e-mail transmission process is executed. Therefore, the description is omitted in the present application.

  The control unit 20a of the first HLR device 2a determines whether or not the received first identification information and second identification information can be replaced with the identification information recorded in the database 210a by the determination unit 200a. (S404). In step S404, the record content corresponding to the first identification information in the database 210a records that the alternative communication is permitted as the alternative communication contract state, and the first identification information and the second identification information are associated with each other. If it is stored, it is determined that it can be replaced.

  If it is determined in step S404 that substitution is possible (S404: YES), the control unit 20a transmits the received second identification information to the second HLR device 2b by the substitution permission request unit 202a (S405). In step S405, the second identification information is transmitted to the second HLR device 2b, thereby requesting the second HLR device 2b to permit the alternative communication.

  When it is determined in step S404 that substitution is not possible, a predetermined abnormality process for notifying the subscriber apparatus 4 via the first CN apparatus 1a to that effect and ending the process related to substitution communication is executed. .

  The control unit 20b of the second HLR device 2b uses the determination unit 200b to check whether the received second identification information can be replaced by collating with the second identification information recorded in the database 210b (S406). ). In step S406, if the received second identification information is recorded as the second identification information that is contracted as a substitute communication as a subcarrier in the database 210b, it is determined that the substitution is possible.

  If it is determined in step S406 that the second identification information that can be replaced is recorded (S406: YES), the control unit 20b notifies the first HLR device 2a of the permission of the alternative communication by the notification unit 201b (S407). ).

  If it is determined in step S406 that substitution is not possible, a notification is given to the subscriber device 4 via the first HLR device 2a and the first CN device 1a, and the predetermined abnormality for terminating the processing related to substitution communication is completed. Processing is executed.

  When the notification unit 201a receives the notification of the alternative communication permission, the control unit 20a of the first HLR device 2a notifies the first CN device 1a of the permission of the alternative communication (S408). The second identification information is indicated in the alternative communication permission notified in step S408.

  The control unit 10a of the first CN device 1a uses the transfer unit 104a to transfer an e-mail having the second identification information as a transmission source based on the accepted notification of alternative communication permission (S409). In step S409, the electronic mail is first transferred to the first mail server device 3a. The first mail server device 3a transfers the e-mail to the mail server device associated with the destination in order to send it to the destination e-mail address based on an existing communication standard such as SMTP. These electronic mail transfer processes can use various methods implemented or proposed as existing protocols.

  In this way, the alternative communication when the electronic mail is transmitted as the subscriber device 4 of the second entity to be substituted is executed.

(Example 5)
FIG. 21 is a conceptual diagram illustrating a processing example of the communication method according to the fifth embodiment of the present application, and FIG. 22 is a sequence diagram illustrating a processing example of the communication method according to the fifth embodiment of the present application. Example 5 shows a process for receiving an e-mail with the second identification information related to the second entity as a transmission destination in the alternative communication using the communication method of the present application. The process for receiving an e-mail described as the fifth embodiment is a process for transferring to the subscriber device 4 of the first business entity when an e-mail having the second identification information as a transmission destination is received. In the following description, an e-mail address set for the subscriber device 4 associated with the first entity is used as the first identification information, and the subscriber device associated with the second entity is used as the second identification information. An example in which the e-mail address set for 4 is used will be described.

  The transmission source device transmits an e-mail whose transmission destination e-mail address is the second identification information. When transmitting an e-mail, the transmission source device does not need to recognize that the transmission destination subscriber device 4 performs alternative communication. The transmission source device is not limited to a wireless portable terminal such as a mobile phone as long as it is a device capable of transmitting an electronic mail, and may be a device such as a personal computer. The transmitted electronic mail is transferred to the second mail server device 3b based on an existing protocol such as SMTP.

  The second mail server device 3b transfers the second identification information, which is the email address of the destination of the received email, to the second CN device 1b.

  The second CN device 1b executes various processes described below under the control of the control unit 10b that executes the communication program PRG2 for the second CN device. When the second identification information is received as the destination e-mail address, the control unit 10b of the second CN device 1b requests the second HLR device 2b to collate the second identification information by using the collation request unit 102b (S501). ). An existing protocol such as MAP can be used for the verification request, and the second identification information is notified to the second HLR device 2b.

  The control unit 20b of the second HLR device 2b determines whether or not the second identification information requested for collation by the determination unit 200b is replaceable second identification information recorded in the database 210b (S502). ). In step S502, when it is recorded in the database 210b that the alternative communication is permitted as the alternative communication contract state, and is recorded as the replaceable second identification information associated with the first identification information, It is determined that the second communication identification information can be replaced.

  When it determines with it being 2nd identification information which can be substituted in step S502 (S502: YES), the control part 20b extracts the 1st identification information and the in-zone position information currently recorded correspondingly from the database 210b. (S503). Then, the control unit 20b notifies the second CN device 1b of the extracted first identification information and location location information as permission of alternative communication by the notification unit 201b (S504). An existing protocol such as MAP can be used for notification of the alternative communication permission.

  If it is determined in step S502 that the second identification information is not substitutable, the second CN device 1b is notified to that effect, and the second CN device 1b and the second mail server device 3b perform the e-mail transfer process. Run. Since the e-mail transfer process in this case executes an existing process, the description thereof is omitted in the present application.

  The control unit 10b of the second CN device 1b uses the transfer unit 104b to transmit an e-mail to which the first identification information is set as the transmission destination and the second identification information is added based on the received notification of the permitted alternative communication (S505). . In step S505, the electronic mail is first transferred to the second mail server device 3b. The second mail server device 3b is associated with the first business entity via devices such as the first mail server device 3a and the first CN device 1a associated with the first business entity based on the existing communication standard such as SMTP. The electronic mail is transferred to the subscriber device 4. These electronic mail transfer processes can use various methods implemented or proposed as existing protocols. The subscriber device 4 that has received the e-mail causes the display unit 44 to display the second identification information added to the e-mail.

  In this way, the alternative communication when the electronic mail is received as the subscriber device 4 of the second entity to be substituted is executed.

  As described above, the communication method disclosed in the present application allows a plurality of subscriber devices to be installed by changing software without changing specifications such as a SIM card design change and a mobile phone hardware design change. It can be used as a subscriber device related to other business operators.

  In addition, when the second business entity as a subcarrier is used, detailed information is transmitted to the second business entity side, so that the charge amount in one business entity does not soar and an appropriate charge distribution according to the usage situation Can be realized.

  The first to fifth embodiments are merely examples of a myriad of embodiments of the present application, and the arrangement of various apparatuses, the configuration of hardware and software, and the like are appropriately designed according to the purpose and application. It is possible.

  In addition to the above examples, the following additional notes are disclosed.

(Appendix 1)
A first core network device according to the first entity for establishing and relaying a call connection based on a call from a subscriber device according to the first entity;
In association with the first identification information for identifying the subscriber device according to the first entity, the second identification information for identifying the subscriber device according to the second entity is recorded as replaceable identification information, Using a first recording device for one entity,
The first core network device is:
When a call request whose identification information for identifying the caller is the first identification information is received from the subscriber unit of the first business entity, the second identification information is added to the call request. An alternative communication determination step for determining whether or not,
An identification information notification step of notifying the first recording device of the first identification information and the second identification information when it is determined in the alternative communication determination step that the second identification information is added;
The first recording device includes:
A determination step of determining whether or not the received first identification information and second identification information can be replaced by collating with the identification information recorded;
A notification step of notifying the first core network device of permission of alternative communication when it is determined that the determination step is recorded as second replaceable identification information;
The first core network device further includes:
A communication method for executing a call setting request step of transmitting a call setting request with the first identification information as a caller and adding the second identification information to a device associated with the callee based on the notification of the alternative communication permission .

(Appendix 2)
Further using the second recording device according to the second entity, which records the second identification information permitting the alternative communication,
The first recording apparatus further includes:
If the determination step determines that substitution is possible, a substitution permission request step for transmitting the received second identification information to request permission of substitution communication to the second recording device is performed.
The second recording device includes:
A determination step of determining whether or not the received second identification information can be replaced by collating with the recorded second identification information;
A notification step of notifying the first recording device of permission of alternative communication when it is determined by the determination step that recording is performed as replaceable second identification information;
The notification step executed by the first recording device is configured to notify the first core network device of the permission of the alternative communication when receiving the notification of the permission of the alternative communication from the second recording device. The communication method described in 1.

(Appendix 3)
Further using other core network devices,
The other core network device is:
When a call setting request is received from the first core network device with the first identification information as the call source and the second identification information added, the call destination subscriber device is based on the call setting request. A call connection establishment step for establishing a call connection based on the second identification information with
Addendum 1 or Addendum 2 that executes an identification information conversion step of communicating with the first core network device based on first identification information and communicating with the calling subscriber device based on second identification information The communication method described.

(Appendix 4)
A first core network device according to the first entity for establishing and relaying a call connection based on an incoming call to a subscriber device according to the first entity;
A second core network device according to the second entity for establishing and relaying a call connection based on a call to a subscriber device according to the second entity;
The first identification information required for call connection by identifying the subscriber device associated with the first entity, and the first identification information required for call connection by identifying the subscriber device associated with the second entity that can be substituted for the first identification information. Using the second recording device according to the second entity, which records the identification information in association with each other,
The second core network device is:
When a call setting request based on a call to a call destination identified by the second identification information is received, a matching request step for requesting the second recording device to collate the second identification information is executed,
The second recording device includes:
A determination step of determining whether or not the second identification information requested to be verified is replaceable second identification information recorded in association with the first identification information;
A notification step of notifying the second core network device of the first identification information recorded in association as permission of alternative communication when it is determined by the determination step that the second identification information is recorded as substitutable. And run
The second core network device further includes:
Based on the notification of the alternative communication permission, a call setting request step is performed for transmitting a call setting request with the first identification information as a call destination and adding the second identification information to the first core network device,
The first core network device is:
Based on the call setting request, the call is made to notify the calling destination subscriber device that the communication is the alternative communication with the second identification information as the call destination, and the call connection based on the first identification information is established. A communication method that performs a connection establishment step.

(Appendix 5)
A first core network device according to the first entity that relays an email sent from a subscriber device according to the first entity to the destination;
Identification information that identifies the subscriber device associated with the first entity and can be substituted for the second identification information required for transmission / reception of the e-mail according to the second entity in association with the first identification information required for transmission / reception of the e-mail. And the first recording device pertaining to the first entity,
The first core network device is:
Whether or not the second identification information is added to the e-mail when the e-mail whose identification information for identifying the transmission source is the first identification information is received from the subscriber device related to the first entity. Alternative communication determination step for determining
An identification information notification step of notifying the first recording device of the first identification information and the second identification information when it is determined in the alternative communication determination step that the second identification information is added;
The first recording device includes:
A determination step of determining whether the received first identification information and second identification information can be replaced by collating with the recorded identification information;
A step of notifying the first core network device of the permission of the alternative communication when the determination step determines that the second identification information that can be replaced is recorded;
The first core network device further includes:
A communication method for executing a transfer step of transferring an e-mail using second identification information as a transmission source based on a notification of permission for alternative communication.

(Appendix 6)
Further using the second recording device according to the second entity, which records the second identification information permitting the alternative communication,
The first recording apparatus further includes:
If the determination step determines that substitution is possible, a substitution permission request step for transmitting the received second identification information to request permission of substitution communication to the second recording device is performed.
The second recording device includes:
A determination step of determining whether or not the received second identification information can be replaced by collating with the recorded second identification information;
A notification step of notifying the first recording device of permission of alternative communication when it is determined by the determination step that recording is performed as replaceable second identification information;
In the notification step executed by the first recording device, when the notification of the alternative communication permission is received from the second recording device, the permission of the alternative communication is notified to the first core network device. The communication method described in 1.

(Appendix 7)
First identification information for identifying a subscriber device associated with the first entity and required for transmission / reception of e-mail, and second identification information required for transmission / reception of e-mail according to the second entity that can be substituted for the first identification information A second recording device related to the second business entity,
Using the second core network device according to the second entity, which transfers the e-mail transmitted with the second identification information as the transmission destination to the transmission destination,
The second core network device is:
Based on the reception of the e-mail transmitted with the second identification information as the transmission destination, the collation requesting step for requesting the second recording device to collate the second identification information is executed.
The second recording device includes:
A determination step of determining whether or not the second identification information requested to be verified is replaceable second identification information recorded in association with the first identification information;
A notification step of notifying the second core network device of the first identification information recorded in association as the permission of the alternative communication when it is determined that the determination is recorded as the second identification information that can be substituted; And run
The second core network device further includes:
A communication method for executing a transfer step of transferring an e-mail to which first identification information is added and second identification information is added based on notification of permission for alternative communication.

(Appendix 8)
The communication method according to any one of appendix 1 to appendix 7, wherein a core network device configured by a plurality of devices connected by a communication network is used.

1a First core network device (first CN device)
10a Control unit 11a Auxiliary storage unit 12a Recording unit 13a Storage unit 14a Communication unit 100a Alternative communication determination unit 101a Identification information notification unit 102a Call setting request unit 103a Call connection establishment unit 104a Transfer unit 2a First recording device (first HLR device)
20a Control unit 21a Recording unit 22a Storage unit 23a Communication unit 200a Determination unit 201a Notification unit 202a Alternative permission request unit 210a Database 3a First mail server device 1b Second core network device (second CN device)
10b Control unit 11b Auxiliary storage unit 12b Recording unit 13b Storage unit 14b Communication unit 100b Call connection establishment unit 101b Identification information conversion unit 102b Verification request unit 103b Call setting request unit 104b Transfer unit 2b Second recording device (second HLR device)
20b control unit 21b recording unit 22b storage unit 23b communication unit 200b determination unit 201b notification unit 210b database 3b second mail server device 4 subscriber device PRG1 communication program for first core network device PRG2 communication program for second core network device

Claims (7)

A first core network device according to the first entity for establishing and relaying a call connection based on a call from a subscriber device according to the first entity;
In association with the first identification information for identifying the subscriber device according to the first entity, the second identification information for identifying the subscriber device according to the second entity is recorded as replaceable identification information, Using a first recording device for one entity,
The first core network device is:
When a call request whose identification information for identifying the caller is the first identification information is received from the subscriber unit of the first business entity, the second identification information is added to the call request. An alternative communication determination step for determining whether or not,
An identification information notification step of notifying the first recording device of the first identification information and the second identification information when it is determined in the alternative communication determination step that the second identification information is added;
The first recording device includes:
A determination step of determining whether or not the received first identification information and second identification information can be replaced by collating with the identification information recorded;
A notification step of notifying the first core network device of permission of alternative communication when it is determined that the determination step is recorded as second replaceable identification information;
The first core network device further includes:
A communication method for executing a call setting request step of transmitting a call setting request with the first identification information as a caller and adding the second identification information to a device associated with the callee based on the notification of the alternative communication permission . Further using the second recording device according to the second entity, which records the second identification information permitting the alternative communication,
The first recording apparatus further includes:
If the determination step determines that substitution is possible, a substitution permission request step for transmitting the received second identification information to request permission of substitution communication to the second recording device is performed.
The second recording device includes:
A determination step of determining whether or not the received second identification information can be replaced by collating with the recorded second identification information;
A notification step of notifying the first recording device of permission of alternative communication when it is determined by the determination step that recording is performed as replaceable second identification information;
The notifying step executed by the first recording device is configured to notify the first core network device of the permission of the alternative communication when the notification of the alternative communication permission is received from the second recording device. The communication method according to 1. Further using other core network devices,
The other core network device is:
When a call setting request is received from the first core network device with the first identification information as the call source and the second identification information added, the call destination subscriber device is based on the call setting request. A call connection establishment step for establishing a call connection based on the second identification information with
The identification information converting step of communicating with the first core network device based on first identification information and communicating with the calling subscriber device based on second identification information is performed. 2. The communication method according to 2. A first core network device according to the first entity for establishing and relaying a call connection based on an incoming call to a subscriber device according to the first entity;
A second core network device according to the second entity for establishing and relaying a call connection based on a call to a subscriber device according to the second entity;
The first identification information required for call connection by identifying the subscriber device associated with the first entity, and the first identification information required for call connection by identifying the subscriber device associated with the second entity that can be substituted for the first identification information. Using the second recording device according to the second entity, which records the identification information in association with each other,
The second core network device is:
When a call setting request based on a call to a call destination identified by the second identification information is received, a matching request step for requesting the second recording device to collate the second identification information is executed,
The second recording device includes:
A determination step of determining whether or not the second identification information requested to be verified is replaceable second identification information recorded in association with the first identification information;
A notification step of notifying the second core network device of the first identification information recorded in association as permission of alternative communication when it is determined by the determination step that the second identification information is recorded as substitutable. And run
The second core network device further includes:
Based on the notification of the alternative communication permission, a call setting request step is performed for transmitting a call setting request with the first identification information as a call destination and adding the second identification information to the first core network device,
The first core network device is:
Based on the call setting request, the call is made to notify the calling destination subscriber device that the communication is the alternative communication with the second identification information as the call destination, and the call connection based on the first identification information is established. A communication method that performs a connection establishment step. A first core network device according to the first entity that relays an email sent from a subscriber device according to the first entity to the destination;
Identification information that identifies the subscriber device associated with the first entity and can be substituted for the second identification information required for transmission / reception of the e-mail according to the second entity in association with the first identification information required for transmission / reception of the e-mail. And the first recording device pertaining to the first entity,
The first core network device is:
Whether or not the second identification information is added to the e-mail when the e-mail whose identification information for identifying the transmission source is the first identification information is received from the subscriber device related to the first entity. Alternative communication determination step for determining
An identification information notification step of notifying the first recording device of the first identification information and the second identification information when it is determined in the alternative communication determination step that the second identification information is added;
The first recording device includes:
A determination step of determining whether the received first identification information and second identification information can be replaced by collating with the recorded identification information;
A step of notifying the first core network device of the permission of the alternative communication when the determination step determines that the second identification information that can be replaced is recorded;
The first core network device further includes:
A communication method for executing a transfer step of transferring an e-mail using second identification information as a transmission source based on a notification of permission for alternative communication. Further using the second recording device according to the second entity, which records the second identification information permitting the alternative communication,
The first recording apparatus further includes:
If the determination step determines that substitution is possible, a substitution permission request step for transmitting the received second identification information to request permission of substitution communication to the second recording device is performed.
The second recording device includes:
A determination step of determining whether or not the received second identification information can be replaced by collating with the recorded second identification information;
A notification step of notifying the first recording device of permission of alternative communication when it is determined by the determination step that recording is performed as replaceable second identification information;
The notification step executed by the first recording device is configured to notify the first core network device of alternative communication permission when receiving notification of alternative communication permission from the second recording device. 5. The communication method according to 5. First identification information for identifying a subscriber device associated with the first entity and required for transmission / reception of e-mail, and second identification information required for transmission / reception of e-mail according to the second entity that can be substituted for the first identification information A second recording device related to the second business entity,
Using the second core network device according to the second entity, which transfers the e-mail transmitted with the second identification information as the transmission destination to the transmission destination,
The second core network device is:
Based on the reception of the e-mail transmitted with the second identification information as the transmission destination, the collation requesting step for requesting the second recording device to collate the second identification information is executed.
The second recording device includes:
A determination step of determining whether or not the second identification information requested to be verified is replaceable second identification information recorded in association with the first identification information;
A notification step of notifying the second core network device of the first identification information recorded in association as the permission of the alternative communication when it is determined that the determination is recorded as the second identification information that can be substituted; And run
The second core network device further includes:
A communication method for executing a transfer step of transferring an e-mail to which first identification information is added and second identification information is added based on notification of permission for alternative communication.

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