WO2013008523A1

WO2013008523A1 - User terminal, server, and communication method

Info

Publication number: WO2013008523A1
Application number: PCT/JP2012/062231
Authority: WO
Inventors: 吉川　智康; 一文柚木; 二方　敏之
Original assignee: 株式会社エヌ・ティ・ティ・ドコモ
Priority date: 2011-07-11
Filing date: 2012-05-11
Publication date: 2013-01-17
Also published as: JP2013021512A; JP5618927B2

Abstract

A user terminal comprises: a regulated state evaluation unit that evaluates, when sending outgoing call is to be made via a circuit-switched network, whether access to the line exchanging network is being regulated; a data processing unit that encodes, when evaluation is made that access to the circuit-switched network is being regulated, a voice message from a caller to the called party and packetizes the encoded message, according to a prescribed operation by the caller; and a communication control unit that executes control such that the packetized voice message is transmitted via a packet switched network.

Description

User terminal, server, and communication method

The present invention relates to a wireless communication system.

A technology is known to improve the possibility of starting communication even when transmission restrictions such as access class restrictions are activated in any RAT when multiple RATs (Radio Access Technology) can be connected. (For example, refer to Patent Document 1). In this technology, the mobile terminal is based on a regulation information management unit that manages regulation information indicating whether or not access class regulation is performed in the located system, and regulation information that is managed by the regulation information management unit. A transmission control unit that controls transmission to the mobile communication system, and a visited RAT control unit that controls the visited system based on control by the transmission control unit. The visited RAT control unit is located in a mobile communication system that provides a communication service used in response to a call request when the call control is accepted in the visited system when the call control unit receives the call request. Switch bloc system.

Also, a technique for continuing a call even when a call using a packet switching system is switched to a call using a circuit switching system is known (for example, see Patent Document 2). In this technology, when the receiving side receives a notification of switching from a call by the packet switching system to a call by the circuit switching system, the radio wave state determination unit determines that the terminal is within the circuit switching system, Alternatively, if it is determined that the circuit switching system is within the area of the circuit switching system and that the circuit switching system does not restrict outgoing calls, the control unit controls so that it can respond to calls from the circuit switching system, and the radio wave state determination unit If it is determined that the terminal is not within the circuit switching system, or if it is within the circuit switching system but the circuit switching system regulates outgoing calls, the control unit will answer the call from the packet switching system. Control to be able to respond.

JP 2010-141669 A JP 2008-21116 A

Consider the case where the CS line is restricted on the calling side due to access restrictions due to network congestion. Since the CS line is regulated, the caller cannot use the CS line. Since the CS line cannot be used, the caller can transmit a voice message to the other party only through the PS line.

Furthermore, when the PS line is restricted on the receiving side or when the called party is compatible only with the CS line, a voice message transmitted on the PS line cannot be transmitted to the receiving side.

The present invention has been made in view of the above points, and even when access restriction to the circuit-switched network on the calling side is executed and only the circuit switching is supported on the called-side, The purpose is to provide technology to convey voice messages to the side.

In order to solve the above-described problem, the user terminal includes a restriction state determination unit that determines whether access to the circuit switching network is restricted when a call is made via the circuit switching network, Data to encode and packetize a voice message from the caller to the callee according to a predetermined operation by the caller when it is determined by the restriction state determination unit that access to the circuit switched network is restricted This is achieved as a user terminal having a processing unit and a communication control unit that controls to transmit a voice message packetized by the data processing unit via a packet switching network.

The server also receives from the user terminal of the caller a packet containing a voice message to the callee, and a packet for acquiring the identifier of the user terminal of the callee from the packet received by the receiving unit An analysis unit, a subscriber identifier, and a subscriber information DB that associates information indicating whether or not packet communication is possible with the user terminal identified by the subscriber identifier, and the subscriber information DB is referred to A packet communication determination unit for determining whether or not packet communication is possible by the user terminal of the callee based on an identifier of the user terminal of the callee to be acquired by the packet analysis unit; and the packet communication determination unit And a communication control unit that transmits the voice message to the user terminal of the callee according to the determination result by the server.

The communication control unit controls the packet communication determination unit to transmit the packet to the callee user terminal when it is determined that the packet communication is possible by the callee user terminal. When the packet communication determination unit determines that packet communication is impossible by the user terminal of the called party, a voice message obtained by decoding the packet is transmitted to the user terminal of the called party You may comprise so that it may control to.

Also, it can be configured as a communication method executed by the user terminal and a communication method executed by the server.

According to the disclosed embodiment, access control to the circuit switching network on the calling side is executed, and even if the receiving side supports only circuit switching, a voice message is transmitted to the other side. Therefore, it becomes possible to provide the technique for this.

It is a figure which shows one Example of a radio | wireless communications system. It is a figure which shows one Example of a user terminal. It is a functional block diagram which shows one Example of a user terminal. It is a flowchart which shows one Example (the 1) of operation | movement of a user terminal. It is a flowchart which shows one Example (the 2) of operation | movement of a user terminal. It is a flowchart which shows one Example (the 3) of operation | movement of a user terminal. It is a figure which shows one Example of a server. It is a figure which shows one Example of a subscriber information database. It is a functional block diagram which shows one Example of a server. It is a sequence chart which shows one Example (the 1) of operation | movement of a server. It is a sequence chart which shows one Example (the 2) of operation | movement of a server. It is a flowchart which shows one Example (the 3) of operation | movement of a server. It is a sequence chart which shows one Example (the 4) of operation | movement of a server. It is a flowchart which shows one Example of operation | movement of a radio | wireless communications system.

Embodiments will be described below with reference to the drawings.
In all the drawings for explaining the embodiments, the same reference numerals are used for those having the same function, and repeated explanation is omitted.

<Example>
<Wireless communication system>
FIG. 1 shows an embodiment of a wireless communication system.

FIG. 1 shows a first wireless communication system (represented by the suffix “1”) and a second wireless communication system (represented by the suffix “2”). From the user terminal 100 ₁ for performing radio communication by the first radio communication system, as the incoming-side user terminal 100 ₂ for performing radio communication by the second wireless communication system, an attempt is made to call the CS line. However, access to the CS line of the cell 250 ₁ covered by the base station 200 ₁ of the first wireless communication system is restricted. The first wireless communication system and the second wireless communication system may be operated by the same business operator, or may be operated by different business operators.

The

user terminals

100 ₁ , 100 ₂ may be any suitable mobile communication terminal with which the user can communicate, including but not limited to mobile phones, information terminals, personal digital assistants, portable personal computers, and the like. Not.

Wireless communication systems are mainly classified into a radio access network (RAN) (not shown) that performs radio access control and a core network (CN: Core Network) 600 that performs mobility management, call control, service control, and the like. In this embodiment, the core network 600 particularly related to the present application will be mainly described, and the description of the radio access network will be omitted.

The RAN includes a radio base station (BTS: Base Transceiver Station BTS) 200 ₁ (200 ₂ ) and a radio network controller (RNC: Radio Network Controller) 300 ₁ (300 ₂ ).

The core network 600 includes a circuit switching (CS: CSCircuit Switched) domain and a packet switching (PS: Packet Switched) domain. In general, the CS domain provides a voice service, and the PS domain provides a data communication service.

The subscriber floor switch (not shown) is included as a node that provides services for each domain to the user terminal.

As a node that provides services for each domain to the user terminal, a gateway switch (not shown) is included. There is a gateway switch for processing voice calls and a gateway switch for processing packet calls. It may be mounted on the same device.

In the example shown in FIG. 1, the subscriber-level switch and the Kanmon-level switch are represented by the switch 400 ₁ (400 ₂ ).

The file server 500 is connected to the exchange 400 ₁ (400 ₂ ). The file server 500 mainly functions when access restriction to the CS line of the cell 250 ₁ covered by the transmission side, that is, the base station 200 ₁ of the first wireless communication system is being executed. Here, the case where access restriction to the cell is mainly executed will be described as an example. However, when access restriction to both the cell and the exchange is executed, the access restriction to the exchange is executed. The same applies to the case.

Originating, that is, when the access restriction to the first cell 250 ₁ of the CS lines that are covered by the base station 200 ₁ of the wireless communication system is running, the notification including information about the access control from the base station 200 ₁ Information is sent.

When the user terminal 100 ₁ located in the base station 200 ₁ is operated to make a call by line switching, the call cannot be made because access restriction to the CS line is executed. In this case, as required by the originator, the user terminal 100 _1, to record a voice message for the called party. Caller by performing a predetermined operation, the user terminal 100 _1, it is possible to record a voice message for the called party. The user terminal 100 _1, encodes the recorded voice message, packetizes. The user terminal 100 _1, the file server 500, the PS line, packetized voice message (hereinafter, referred to as "voice message packet") to transfer.

The file server 500 receives a voice message packet from the base station 200 _1. The file server 500 refers to the contract information of the called party to communicate voice messages contained in the voice message packet, it selects the appropriate line from the available corresponding line by the user terminal 100 ₂ of the called party. The file server 500 is performed using the lines that are selected from the available corresponding line by the user terminal 100 ₂ of the called party, a process for transmitting a voice message.

If the PS line is selected, the file server 500, the PS line, the user terminal 100 ₂ of the called party, send a voice message packet. The voice message packet is transmitted from the file server 500 to the user terminal 100 ₂ of the called party via the exchange 400 ₂ , the RNC 300 ₂ , and the BTS 2002 ₂ .

When the CS line is selected, the file server 500 decodes the voice message packet. The file server 500, the CS line, the user terminal 100 ₂ of the called party, send a voice message to be obtained by decoding the voice message packet. From the file server 500, it may be a call to the user terminal 100 ₂ of the called party. Further, the user terminal 100 ₂ of the called party, may be prompted the sending of the file server 500. Voice message, via the switch 400 ₂ from the file server _500, via the RNC 300 2, BTS 200 _2, are sent to the user terminal 100 ₂ of the called party.

<User terminal>
Figure 2 shows one embodiment of a user terminal 100 _1. FIG. 2 mainly shows a hardware configuration. User terminal 100 ₂ is substantially the same as the user terminal 100 _1.

And a: (Central Processing Unit CPU) 112 user terminal 100 ₁ includes an input unit 102, an output unit 104, a communication control unit 106, a radio unit 108, a storage unit 110, a central processing unit. Each functional block is connected by a bus 150.

The central processing unit 112 controls the input unit 102, the output unit 104, the communication control unit 106, the wireless unit 108, and the storage unit 110. The central processing unit 112 functions according to a program stored in the storage unit 110 and performs predetermined processing.

The storage unit 110 includes an application and an operating system (OS). Application is software having a function of performing the work for the user to run on the user terminal 100 _1. Operating system, the user terminal 100 _1, is a software that provides abstracted interfaces to the hardware in the application software.

The input unit 102 is composed of, for example, a keyboard, a mouse, instructions and to the user terminal 100 ₁ is an apparatus for inputting data. Moreover, you may be comprised with a touchscreen. In addition, the input unit 102 is configured by a microphone, for example, and inputs a voice uttered by the user. The voice, or a message to the called party, may include instructions to the user terminal 100 _1. The instruction includes an instruction for an operating system and an application.

The output unit 104 is configured by, for example, a display, and displays the processing state or the processing result of the user terminal 100 _1. Further, the output unit 104 may be configured by a speaker, for example, and may output sound to the user. The processing state and the processing result include those according to the operating system and applications. The display includes a liquid crystal display (LCD), a CRT (Cathode Ray Tube) display, a plasma display (PDP), an organic EL (Electro-Luminescence) display, and the like.

The communication control unit 106 performs control for transmitting an uplink signal. It includes both uplink signals to the CS network and uplink signals to the PS network. Further, the communication control unit 106 performs control for receiving a downlink signal to be input by the radio unit 108. It includes both downlink signals from the CS network and downlink signals from the PS network.

Radio section 108, under the control of the central processing unit 112, between the base station 200 ₁ performs wireless communication by a predetermined wireless communication system. The wireless communication system includes GSM and W-CDMA. LTE may also be included. For example, an uplink signal to be generated by the communication control unit 106 is converted into a radio signal and transmitted. Also converts the radio signal from the base station 200 ₁ to the base band signal.

<User terminal functions>
Figure 3 is a functional block diagram showing a user terminal 100 _1. FIG. 3 mainly shows functions executed by the CPU 112.

User terminal 100 ₁ has a restricted state determining unit 1122, and the regulating state setting section 1124, a voice transmission determination unit 1126, a voice message communication control unit 1128, and a data processing unit 1130.

The restriction state determination unit 1122 is connected to the communication control unit 106. The restricted state determination unit 1122, the communication control unit 106, broadcast information to be received is input by the user terminal 100 _1. Restricted state determination unit 1122, based on the restriction information included in該報broadcast information to determine whether access restriction to the user terminal 100 ₁ is running. The determination may be made for each of the CS line and the PS line. Specifically, the restriction state determination unit 1122 makes a determination based on access inaccessible information (Cell Barred) and restriction rate information (Cell Access Restriction) in information related to restriction (System Information Block Type 3) to be included in the broadcast information. . The inaccessible information and the restriction rate information may be prepared for each of the CS line and the PS line. The restriction state determination unit 1122 inputs information representing the determination result of the restriction state to the restriction state setting unit 1124.

The restriction state setting unit 1124 is connected to the restriction state determination unit 1122. The restriction state setting unit 1124 sets the restriction state according to information indicating the restriction state determination result to be input by the restriction state determination unit 1122.

Voice transmission determination unit 1126 is connected to input unit 102, output unit 104, and restriction state setting unit 1124. The voice call determination unit 1126 receives a voice call operation signal from the input unit 102 when the user performs a voice call operation. Voice transmission determination unit 1126, when the voice transmission operation signal is input, with reference to the restricted state to be set in the restricted state setting unit 1124, and access restricted to CS line by the user terminal 100 ₁ is executed Determine whether or not.

Voice transmission determination unit 1126, if it is determined that the access control of by the user terminal 100 ₁ to the CS line is not running, periodically, or access restrictions on CS line by the user terminal 100 ₁ is running Determine if.

Voice transmission determination unit 1126, if it is determined that access control to the CS line by the user terminal 100 ₁ is running, the output unit 104, and access control to the CS line by the user terminal 100 ₁ is executed The voice transmission disapproval notification signal indicating that the user is present is input. The output unit 104 notifies the user that voice transmission cannot be performed when the voice transmission prohibition notification signal is input from the voice transmission determination unit 1126. Specifically, it may be displayed that voice transmission is not possible, or may be notified by voice through voice guidance. When it is determined that voice transmission cannot be performed, the voice transmission determination unit 1126 inputs information indicating that voice transmission cannot be performed to the voice message communication control unit 1128.

The voice message communication control unit 1128 is connected to the input unit 102, the output unit 104, and the voice transmission determination unit 1126. The voice message communication control unit 1128 receives a signal for inquiring whether to send a voice message to the output unit 104 when the information indicating that voice transmission cannot be performed is input from the voice transmission determination unit 1126 (hereinafter, referred to as a voice message). "Voice message transmission inquiry signal"). When the voice message transmission inquiry signal is input from the voice message communication control unit 1128, the output unit 104 outputs information for inquiring whether or not to send a voice message to the user. Specifically, a message for inquiring whether to transmit a voice message may be displayed, or it may be inquired whether to transmit a voice message by voice guidance.

The information for inquiring whether or not to send a voice message from the user terminal 100 _1, the user can respond by operating the input unit 102. The answer by the user (hereinafter referred to as “voice message transmission operation signal”) is input to the voice message communication control unit 1128. When the voice message transmission operation signal is input from the input unit 102 and the voice message transmission operation signal indicates that the voice message transmission operation signal is transmitted, the voice message communication control unit 1128 requests the voice message from the output unit 104 to the user. In addition to inputting information (hereinafter referred to as “voice message request signal”), the data processing unit 1130 is instructed to generate a voice message packet. The output unit 104 outputs a guidance for requesting a voice message in accordance with a voice message request signal from the voice message communication control unit 1128.

The data processing unit 1130 is connected to the input unit 102, the communication control unit 106, and the voice message communication control unit 1128. The data processing unit 1130 mainly functions when a command for generating a voice message packet is input from the voice message communication control unit 1128. When a command for generating a voice message packet is input from the voice message communication control unit 1128 to the data processing unit 1130, guidance for requesting a voice message is output from the output unit 104. When the user issues a voice message according to the guidance for requesting the voice message, the voice message is input to the data processing unit 1130 via the input unit 102. The data processing unit 1130 records the voice message from the input unit 102. The data processing unit 1130 encodes the recorded voice message and packetizes it. In the packet includes a user terminal 100 _second identifier of the called. The data processing unit 1130 inputs the packetized voice message to the communication control unit 106. The communication control unit 106 performs control for transmitting the voice message packet from the data processing unit 1130 to the file server 500 via the wireless unit 108.

<Method for Sending Voice Message Packet to File Server 500 (Part 1)>
The storage unit 110 stores a table in which a telephone number is associated with an e-mail address associated with the telephone number (hereinafter referred to as a “telephone number e-mail correspondence table”).

In this case, the communication control unit 106 refers to the telephone number electronic mail correspondence table when sending a voice message packet to the file server 500, and sends an electronic mail corresponding to the telephone number input when making a call by circuit switching. To get. The communication control unit 106 transmits a voice message packet with the electronic mail as a destination.

FIG. 4 is a flowchart showing a method (part 1) of transmitting a voice message packet to the file server 500.

User terminal 100 ₁ detects that the access restriction to the CS line is performed (step S402). That is, the voice transmission determination unit 1126 detects that access restriction to the CS line is being executed.

User terminal 100 ₁ determines whether to record a voice message, an operation for transmitting the called party has been performed (step S404). That is, the voice message communication control unit 1128 determines whether an operation for transmitting a voice message has been performed.

If a voice message is recorded and it is not determined that an operation for transmitting the voice message to the called party has been executed (step S404: NO), the process ends.

Record a voice message, if the operation for transmitting the called party is determined to have been executed (step S404: YES), the user terminal 100 ₁ is to record a voice message, to the packet (step S406). That is, the data processing unit 1130 records a voice message and packetizes it.

User terminal 100 ₁ determines whether it can obtain the e-mail address of the user terminal 100 ₂ at the incoming side (step S408). That is, the communication control unit 106 determines whether it can obtain the e-mail address of the user terminal 100 ₂ at the incoming side.

If it is not determined the email address of the user terminal 100 ₂ at the incoming side can obtain (step S408: NO), the process proceeds to a step S508 of FIG. 5 to be described later. You may make it complete | finish, without changing to step S508 of FIG.

If it is determined that the e-mail address of the user terminal 100 ₂ at the incoming side can obtain (step S408: YES), the user terminal 100 _1, using the e-mail address, sends a voice message packet (step S410) . That is, the communication control unit 106 transmits a voice message packet using an electronic mail address.

<Method for Sending Voice Message Packet to File Server 500 (Part 2)>
When transmitting a voice message packet to the file server 500, the communication control unit 106 creates an e-mail based on the telephone number input when making a call by circuit switching. Specifically, an e-mail including the file server domain name is created. The communication control unit 106 transmits the electronic mail as a destination. The domain name may represent the file server 500.

FIG. 5 is a flowchart showing a method (part 2) of transmitting a voice message packet to the file server 500.

Steps S502 to S506 in FIG. 5 are substantially the same as steps S402 to S406 in FIG.

User terminal 100 _1, based on the called party phone number of the user terminal 100 _2, to create the dedicated e-mail address (step S508). That is, the communication control unit 106, based on the called party phone number of the user terminal 100 _2, to create the dedicated e-mail address. Specifically, "090******@saigai.XXXXXX.ne if the called party telephone number of the user terminal 100 ₂ is" 090 ****** ", as a dedicated e-mail address .Jp ". The domain name of the file server 500 may be specified by “saigai.XXXXXXX”.

User terminal 100 ₁ utilizes a dedicated e-mail address created by step S508, the sending the voice message packet (step S510). That is, the communication control unit 106 transmits a voice message packet using a dedicated e-mail address.

<Method for Sending Voice Message Packet to File Server 500 (Part 3)>
When transmitting the voice message packet to the file server 500, the communication control unit 106 may access the dedicated web page by connecting to the file server 500 and upload the voice message packet. In this case, the file server 500, a dedicated web page to be accessed when the user terminal 100 ₂ of the called party obtains the voice message is prepared. User terminal 100 ₂ called party, and access the webpage by selecting the voice message identifier corresponding to the voice message to be acquired by the user terminal 100 ₂ of the called party, of the user terminal 100 ₂ addressed Voice messages can be obtained.

FIG. 6 is a flowchart showing a method (part 3) of transmitting a voice message packet to the file server 500.

Steps S602 to S606 in FIG. 6 are substantially the same as steps S402 to S406 in FIG.

User terminal 100 _1, by connecting the file server 500 accesses the dedicated web page, upload a voice message (step S608). That is, the communication control unit 106 connects to the file server 500 to access a dedicated web page and upload a voice message.

<File server>
FIG. 7 shows an embodiment of the file server 500. FIG. 7 mainly shows the hardware configuration.

The file server 500 includes a communication unit 502, a central processing unit 504, a storage unit 506, and a communication control unit 508. Each functional block is connected by a bus 550.

The central processing unit 504 controls the communication control unit 508, the communication unit 502, and the storage unit 506. The central processing unit 504 functions in accordance with a program stored in the storage unit 506 and performs predetermined processing.

The storage unit 506 includes an application and an operating system. The application is software having a function of performing a work executed by the user on the file server 500. The operating system is software that provides application software with an interface that abstracts hardware in the file server 500.

Also, the storage unit 506, a voice message packet from the user terminal 100 ₁ is stored. The voice message packet may be stored in association with the identifier of the user terminal that has transmitted the voice message packet.

Also, the storage unit 506 stores a subscriber information DB.

FIG. 8 shows an example of the subscriber information DB.

In the subscriber information DB, a subscriber identifier and information indicating whether or not packet communication is possible by a user terminal corresponding to the subscriber identifier are stored in association with each other. In the example shown in FIG. 5, “possible” is indicated when packet communication is possible, and “impossible” is indicated when impossible.

In the example shown in FIG. 8, the user terminal whose subscriber identifier is represented by “AAA” can perform packet communication. A user terminal whose subscriber identifier is represented by “BBB” cannot perform packet communication. In addition, a user terminal whose subscriber identifier is represented by “CCC” cannot perform packet communication. A user terminal whose subscriber identifier is represented by “DDD” can perform packet communication.

The communication control unit 508 generates data transmitted / received between the file server 500 and the

exchanges

400 ₁ and 400 _2, and analyzes the data transmitted by the

exchanges

400 ₁ and 400 ₂ .

The communication unit 502 communicates with the

exchanges

400 ₁ and 400 ₂ under the control of the central processing unit 504.

<File server functions>
FIG. 9 is a functional block diagram showing the file server 500. FIG. 9 mainly shows functions executed by the CPU 504.

The file server 500 includes a voice message packet analysis unit 5042, a packet communication determination unit 5044, a voice message packet transmission control unit 5046, and a data processing unit 5048.

Voice message packet analysis unit 5042 is connected to storage unit 506. The voice message packet analysis unit 5042 analyzes the voice message packet stored in the storage unit 506. Specifically, to acquire an identifier of the user terminal 100 ₂ at the incoming side to be included in a voice message packet. Voice message packet analysis unit 5042, the packet communication determination unit 5044 inputs information indicating a user terminal 100 _second identifier of the called.

The packet communication determination unit 5044 is connected to the storage unit 506 and the voice message packet analysis unit 5042. Packet communication determination unit 5044 refers to the stored subscriber information DB in the storage unit 506, based on the user terminal 100 _second identifier called party from the voice message packet analysis unit 5042, the user terminal 100 of the called party ₂ determines whether packet communication is possible. Packet communication determination unit 5044, a voice message packet transmission control unit 5046 inputs information by the user terminal 100 ₂ at the incoming side representing whether it is possible to packet communications.

Voice message packet transmission control unit 5046 is connected to packet communication determination unit 5044. Voice message packet transmission control unit 5046, based on the information by the user terminal 100 ₂ at the incoming side to be entered by the packet communication determination unit 5044 indicating whether it is possible to packet communications, the user terminal 100 ₂ at the incoming side If packet communication is possible, the communication control unit 508, stored in the storage unit 506 instructs to transmit a voice message packet of the user terminal 100 ₂ destined for the called party. The communication control unit 508, according to instructions by a voice message packet transmission control unit 5046, from the communication unit 502, stored in the storage unit 506, a voice message packet of the user terminal 100 ₂ destined for the called party.

<Method of transmitting to the user terminal 100 ₂ at the incoming side, a voice message packet (Part 1)>
The communication control unit 508, when the electronic mail address of the user terminal 100 ₂ at the incoming side is designated as the destination of a voice message packet, sends an e-mail address of the user terminal 100 ₂ of the called party as a destination. Voice message packet, switch ₄₀₀ 2, RNC 300 _2, through the base station 200 _2, are sent to the user terminal 100 ₂ at the incoming side.

10, the user terminal 100 ₂ at the incoming side is a sequence chart illustrating a method for transmitting a voice message packet (Part 1).

File server 500, the user terminal 100 ₂ destined email address of the incoming side sends a voice message packet (step S1002). That is, the voice message packet transmission control unit 5046, the user terminal 100 ₂ destined email address of the incoming side, it performs control to transmit the voice message packet.

From the file server 500, the user terminal 100 ₂ at the incoming side, a voice message packet is transmitted (step S1004).

User terminal 100 ₂ decodes the voice message packet from the file server 500 (Step S1006). That is, the communication control unit 106 decodes the voice message packet from the file server 500.

User terminal 100 _2, reproduces the voice message (step S1008). That is, the output unit 104 outputs the voice message by reproducing it.

<Method of transmitting to the user terminal 100 ₂ at the incoming side, a voice message packet (Part 2)>
When the voice message packet is uploaded to the file server 500, a message including the address of the web page where the voice message is uploaded is transmitted using a short message service (SMS). The short message service, the called party telephone number of the user terminal 100 ₂ is specified. From the user terminal 100 ₁ of calling party to voice message packet to be sent to the file server 500 may include information indicating the telephone number of the user terminal 100 ₂ of the called party. Voice message, switch ₄₀₀ 2, RNC 300 _2, through the base station 200 _2, are sent to the user terminal 100 _2.

User terminal 100 ₂ at the incoming side having received the message, by accessing a web page voice message is uploaded, it is possible to obtain a voice message from the caller.

11, the user terminal 100 ₂ at the incoming side is a sequence chart illustrating a method for transmitting a voice message packet (Part 2).

The file server 500 creates a message including a dedicated web page address (step S1102). That is, the voice message packet transmission control unit 5046 creates a message including the address of a dedicated web page.

File server 500, the user terminal 100 ₂ at the incoming side, by using a short message service, it transmits a message created in step S1102 (step S1104). That is, the communication control unit 508 performs control to transmit a message including the address of a dedicated web page.

User terminal 100 ₂ at the receive side, from the messages from the file server 500, and acquires the address of the dedicated web page (step S1106).

User terminal 100 ₂ at the incoming side accesses the dedicated web page, obtains a voice message (step S1108). That is, the communication control unit 106 accesses a dedicated web page and acquires a voice message.

User terminal 100 ₂ at the receive side, reproduces the voice message (step S1010). That is, the communication control unit 106 decodes the voice message packet from the file server 500. The output unit 104 outputs the voice message by reproducing it.

The audio message packet transmission control unit 5046, based on the user terminal 100 ₂ at the incoming side to be entered by the packet communication determination unit 5044 of information indicating whether it is possible to packet communications, the incoming side of the user terminal 100 ₂ , if packet communication is impossible, the data processing unit 5048 is notified that packet communication is impossible. Further, the voice message packet transmission control unit 5046, the communication control unit 508, stored in the storage unit 506, instructs to input a voice message packet of the user terminal 100 ₂ destined for the called party to the data processing unit 5048 .

The data processing unit 5048 is connected to the communication control unit 508 and the voice message packet transmission control unit 5046. The data processing unit 5048 decodes a voice message packet to be input by the communication control unit 508 when information indicating that a voice message is impossible is input from the voice message packet transmission control unit 5046. Convert to voice message.

<User terminal 100 ₂ at the incoming side, a method of notifying a voice message (Part 1)>
The data processing unit 5048 decodes the voice message packet. The data processing unit 5048 inputs a voice message to the communication control unit 508. The communication control unit 508 transmits a voice message from the communication unit 502. Specifically, the communication control unit 508, the user terminal 100 ₂ at the incoming side, the CS line and outgoing. Depending on the transmission via the CS line, the user terminal 100 ₂ of the incoming side when the off-hook, to play a voice message.

12, the user terminal 100 ₂ is a flowchart showing a method (Part 1) notify the voice message.

File server 500, the receiving-side to the user terminal 100 _2, through the CS line, and transmits (step S1202). That is, the voice message packet transmission control unit 5046, the communication control unit 508, receiving-side to the user terminal 100 _2, through the CS line commands the call. The communication control unit 508 controls the communication unit 502 to make a call via the CS line in accordance with a command from the voice message packet transmission control unit 5046.

The file server 500 determines whether or not the off-hook by the user terminal 100 ₂ at the incoming side (step S1204). That is, the communication control unit 508 determines whether or not the off-hook by the user terminal 100 ₂ at the incoming side.

If the user terminal 100 ₂ at the incoming side is not determined to be off-hook (step S1204: NO), it ends. How to send a voice message packet to the user terminal 100 ₂ of the above-mentioned called party (1), by the method shown in (2), a voice message packet may be transmitted to the user terminal 100 ₂ at the incoming side and, by the method shown in the method of notifying a voice message to the user terminal 100 ₂ at the incoming side to be described later (Part 2), the voice message may be notified to the user terminal 100 ₂ at the incoming side.

If it is determined that the off-hook by the user terminal 100 ₂ at the incoming side (step S1204: YES), the file server 500 decodes the voice message packet (step S1206). That is, the data processing unit 5048 by the communication control unit 508 is notified that it has been off-hook by the user terminal 100 ₂ at the incoming side. When notified that the data processing unit 5048 is off-hook, the data processing unit 5048 decodes the voice message packet.

The file server 500 reproduces the voice message (step S1208). In other words, voice message obtained by the data processing unit 5048 is a voice message packet is decoded, reproduced by the communication control unit 508, via the communication unit 502, is transmitted to the user terminal 100 ₂ at the incoming side.

<User terminal 100 ₂ at the incoming side, a method of notifying a voice message (Part 2)>
From the file server 500, the user terminal 100 ₂ at the incoming side, by using a short message service, when information indicating that there is a voice message is notified, the following process is performed. In this case, the information indicating that there is a voice message includes a telephone number corresponding to the file server 500. More specifically, a telephone number that can be used when obtaining a voice message stored in the file server 500 is included.

Terminating side of the user terminal 100 ₂ of the user is notified of the information indicating that there is a voice message, the CS line in the file server 500, transmits. In this case, transmission via CS call need not be performed by the user terminal 100 ₂ at the incoming side may be a user terminal other than the user terminal 100 ₂ at the incoming side, or may be a fixed telephone. Any terminal can be used as long as it can make a call through the CS line. Here, as an example, from the user terminal 100 ₂ at the incoming side, the case originated by CS line.

The communication control unit 508, when detecting a call by CS line from the user terminal 100 ₂ at the incoming side, the data processing unit 5048, and inputs a voice message packet. The data processing unit 5048 converts the voice message packet to be input by the communication control unit 508 into voice data. The communication control unit 508 reproduces audio data.

13, the user terminal 100 ₂ at the incoming side is a flowchart showing a method (Part 2) for notifying a voice message.

The file server 500 creates a message including information indicating that a voice message is left (step S1302). That is, the voice message packet transmission control unit 5046 creates a message including information indicating that a voice message remains.

File server 500, the user terminal 100 ₂ at the incoming side, by using a short message service, it transmits a message created in step S1302 (step S1304). That is, the communication control unit 508 controls the communication unit 502 to transmit the message created by the voice message packet transmission control unit 5046 using the short message service.

User terminal 100 ₂ via a CS line, and transmits the file server 500 (Step S1306). That is, the communication control unit 106 makes a call to the telephone number included in the message transmitted from the file server 500 using the short message service through the CS line.

File server 500, in response to calls from the user terminal 100 ₂ at the incoming side, decoding the voice message packet (step S1308). That is, the data processing unit 5048 from the communication control unit 508 is notified that there is an incoming call from the user terminal 100 ₂ at the incoming side. The data processing unit 5048, when it from the receiver side of the user terminal 100 ₂ receives an incoming call is notified, decodes the voice message packet.

User terminal 100 _2, reproduces the voice message (step S1310). That is, a voice message obtained by decoding the voice message packet by the data processing unit 5048 is reproduced by the communication control unit 508.

From the file server 500, the user terminal 100 _2, the voice message is notified (step S1312). In other words, via the communication unit 502, the user terminal 100 ₂ at the incoming side, the voice message is sent.

<Operation of wireless communication system>
FIG. 14 shows an embodiment of the operation of the wireless communication system. FIG. 14 mainly shows the operation of the file server 500.

The file server 500 receives a voice message packet from the user terminal 100 ₁ of the originating (step S1402).

The file server 500 determines whether or not the voice message packet received in step S702 is a packet from a predetermined communication network (step S1404). Specifically, it is determined whether or not the communication network can refer to subscriber information of the user terminal on the receiving side.

If it is determined that the packet is from a predetermined communication network (step S1404: YES), the file server 500 checks the subscriber information DB (step S1406).

Determining whether it is possible to packet communications by the user terminal 100 ₂ at the incoming side (step S1408).

If the user terminal 100 ₂ at the incoming side is determined to be packet communication (step S1408: YES), the file server 500 transmits a voice message packet via the PS network (step S1410).

If the user terminal 100 ₂ at the incoming side is judged to be impossible packet communication (step S1408: NO), the file server 500 decodes the voice message packet (step S1412).

File server 500, via the CS network, incoming to the user terminal 100 ₂ at the incoming side (step S1414).

User terminal 100 ₂ at the incoming side determines whether off-hook (step S1416).

If the user terminal 100 ₂ at the incoming side is not determined as the off-hook (step S1416: NO), the file server 500 determines whether the performed a predetermined number of times call (step S1418).

If it is not determined that a predetermined number of incoming calls have been made (step S1418: NO), the process returns to step S1414.

If it is determined that a predetermined number of incoming calls have been made (step S1418: YES), the process ends.

In step S1416, when the user terminal 100 ₂ at the incoming side is determined as the off-hook (step S1416: YES), the file server 500, reproduces the voice message (step S1420).

If it is not determined in step S1404 that the packet is from a predetermined communication network (step S1404: NO), the file server 500 determines whether the voice message packet received in step S1402 is a packet from the mobile network. (Step S1422).

If it is determined that the packet is from the mobile network (step S1422: YES), the file server 500 determines whether the packet can be transmitted (step S1424).

If it is determined that transmission is possible (step S1424: YES), the file server 500 transmits the packet (step S1426).

If it is determined in step S1422 that the packet is not from the mobile network (step S1422: NO) or it is not determined in step S1424 that transmission is possible (step S1424: NO), the process proceeds to step S1412.

According to the present embodiment, access restriction to the CS network on the caller side is executed, and even when the callee side only supports circuit switching, the voice message from the caller is transmitted to the other party side. Can do. The other party may be a fixed telephone or a user terminal.

For convenience of explanation, description will be made using specific numerical examples to facilitate understanding of the invention. However, unless otherwise specified, these numerical values are merely examples, and any appropriate values may be used.

Although the present invention has been described above with reference to specific embodiments, each embodiment is merely an example, and those skilled in the art will understand various variations, modifications, alternatives, substitutions, and the like. I will. For convenience of explanation, an apparatus according to an embodiment of the present invention has been described using a functional block diagram, but such an apparatus may be realized by hardware, software, or a combination thereof. The present invention is not limited to the above-described embodiments, and various variations, modifications, alternatives, substitutions, and the like are included without departing from the spirit of the present invention.

This application claims priority based on Japanese Patent Application No. 2011-153291 filed on July 11, 2011, the entire contents of which are incorporated herein by reference.

100 ₁ , 100 ₂ User terminal 102 Input unit 104 Output unit 106 Communication control unit 108 Radio unit 110 Storage unit 112 CPU
1122 Restriction state determination unit 1124 Restriction state setting unit 1126 Voice transmission determination unit 1128 Voice message communication control unit 1130 Data processing unit 150 Bus 200 ₁ , 2002 ₂

Base stations

300 ₁ , 300 ₂ RNC
400 ₁ , 400 ₂ exchange 500 file server 502 communication unit 504 CPU
5042 Voice message packet analysis unit 5044 Packet communication determination unit 5046 Voice message packet transmission control unit 5048 Data processing unit 506 Storage unit 508 Communication control unit 550 Bus 600 Core network

Claims

A restriction state determination unit that determines whether access to the circuit-switched network is restricted when a call is made via the circuit-switched network;
When the restricted state judging unit judges that access to the circuit switching network is restricted, the voice message from the caller to the callee is encoded and packetized according to a predetermined operation by the caller. A data processing unit;
A communication control unit that controls to transmit a voice message packetized by the data processing unit via a packet switching network.
A receiving unit that receives a packet including a voice message to the callee from the user terminal of the caller;
A packet analyzer that obtains the identifier of the user terminal of the called party from the packet received by the receiver;
A subscriber information DB in which a subscriber identifier is associated with information indicating whether or not packet communication is possible by a user terminal identified by the subscriber identifier;
Packet communication determination that refers to the subscriber information DB and determines whether or not packet communication is possible by the callee user terminal based on the identifier of the callee user terminal to be acquired by the packet analysis unit And
A communication control unit that transmits the voice message to the user terminal of the called party according to a determination result by the packet communication determination unit.
The server according to claim 2,
The communication control unit controls the packet communication determination unit to transmit the packet to the callee user terminal when it is determined that the packet communication is possible by the callee user terminal. When the packet communication determination unit determines that the packet communication is impossible by the user terminal of the called party, the voice message obtained by decoding the packet is notified to the user terminal of the called party. Control the server.
A restriction state determination step for determining whether or not access to the circuit switching network is restricted when a call is made via the circuit switching network;
When it is determined in the restriction state determination step that access to the circuit switched network is restricted, a voice message from the caller to the callee is encoded and packetized according to a predetermined operation by the caller. Data processing steps;
And a communication control step for controlling to transmit the voice message packetized by the data processing step via a packet switching network.
Receiving a packet containing a voice message to the called party from the user terminal of the calling party;
A packet analysis step of obtaining an identifier of the user terminal of the called party from the packet received by the reception step;
An incoming call to be acquired by the packet analysis step with reference to a subscriber information DB in which a subscriber identifier is associated with information indicating whether or not packet communication is possible by a user terminal identified by the subscriber identifier Packet communication determination step for determining whether or not packet communication is possible by the callee user terminal based on the identifier of the user terminal of the receiver,
A communication method in a server, comprising: a communication control step of transmitting the voice message to the user terminal of the called party according to a determination result in the packet communication determination step.