JP2012213096A - Telephone system, dock device, cellphone terminal, and method for apparatus connection in telephone system - Google Patents

Abstract

PROBLEM TO BE SOLVED: To configure a simple and appropriate telephone system in which a cellphone terminal can be used as an extension terminal, and manage the cellphone terminal appropriately in an exchange apparatus.SOLUTION: A cellphone terminal 5 is connected to a dock device 4 (Step S1, S2), and the dock device 4 receives identification information (SIM card information) provided from the cellphone terminal 5 and manages the identification information in an internal ID management memory 425 (Step S3-Step S5). The cellphone terminal 5 releases (invalidates) the identification information to disable communication through a cellphone network (Step S6). The dock device 4 provides terminal registration data for a SIP server 1 and the cellphone terminal 5 (Step S7-Step S11) to make the cellphone terminal 5 function only as a telephone terminal subordinate to the SIP server 1.

Description

  The present invention relates to a telephone system configured by connecting a communication device to an exchange device such as a SIP (Session Initiation Protocol) server or a main device, and each device and method used in the system.

  As described in Patent Document 1 described later, a so-called dual mobile phone terminal that is connectable to both a wireless local area network (LAN) and a mobile phone network is known. The dual mobile phone terminal is used as a so-called extension telephone of a telephone system constructed by using a wireless LAN in the company, and as a mobile phone terminal that communicates through a mobile phone network when away from home. It is made to use. In Patent Document 1, a notification is made as to whether or not the caller's dual mobile phone terminal is connected to the wireless LAN, or the caller connects the callee's dual mobile phone terminal to the wireless LAN. For example, there is disclosed a technique that enables communication with a partner connected to a wireless LAN by checking whether or not the communication is performed.

JP 2008-109191 A

  By the way, in the case of the technique described in Patent Document 1 described above, it is necessary to confirm a connection state to a wireless LAN of a transmission source or a reception destination through a mobile phone network or the Internet before making a call. For this reason, even though the dual mobile phone terminal is located within the wireless LAN range, communication may be performed through the mobile phone terminal network, which may be troublesome and may incur communication costs. It may be disadvantageous in terms of cost.

  For this reason, in general, a dual mobile phone terminal is operated as an extension telephone of the telephone system on the condition that it is located within a communication range of a specific access point (AP) provided in the telephone system. ing. In this case, when the dual mobile phone terminal moves out of the range of the specific access point, the mobile phone terminal returns to the mobile phone terminal that performs communication through the original mobile phone network (3G line).

  However, in this case, whether or not the dual mobile phone terminal is under the control of the SIP server is determined according to the communication state between the access point and the dual mobile phone terminal. For this reason, it is difficult to grasp the connection state of the dual mobile phone terminals on the SIP server side, and terminal management becomes complicated. In other words, it is difficult to manage the dual mobile phone terminal from which point it becomes an extension telephone of the telephone system and from which point to return to the mobile phone terminal that communicates through the mobile phone network, and the user of the mobile phone terminal is also difficult to understand There is also.

  In view of the above, the present invention can easily and appropriately configure a telephone system that can use a mobile phone terminal as an extension telephone terminal, and can also manage the mobile phone terminal appropriately in an exchange device. The purpose is to.

In order to solve the above-mentioned problem, the telephone system according to the first aspect of the present invention provides:
A telephone system formed by connecting a dock device to an exchange device connected to a wide area network and connecting a mobile phone terminal to the dock device,
The dock device is
A first connection end enabling connection to the exchange device;
A second connection end for enabling connection of the mobile communication terminal;
Extension information storage means for storing and holding extension information for setting the mobile communication terminal connected to the second connection end as an extension telephone terminal under the switching device;
When a mobile phone terminal is connected to the second connection end, a registration process is performed in which the mobile phone terminal is an extension telephone terminal under the switching device, using the extension information in the extension information storage means. Terminal registration processing means to perform;
Extension information providing means for providing the extension information of the extension information storage means to the mobile phone terminal when a mobile phone terminal is connected to the second connection end;
Signal processing means for processing a signal transmitted and received between the exchange device connected through the first connection end and the portable communication terminal connected through the second connection end;
The mobile phone terminal
A connection end for an external device that allows connection to the dock device;
When connected to the dock device via the external device connection end, information necessary for mobile phone communication with a mobile phone terminal and different identification information for each mobile phone terminal cannot be used. Use prohibition means,
An extension information management means for receiving the extension information provided from the dock device and registering it in the storage means of the own device when connected to the dock device through the connection end for the external device. And

  According to the telephone system of the first aspect of the present invention, the telephone system is formed by connecting a dock device to an exchange device and connecting a mobile phone terminal to the dock device. The dock device is connected to the exchange device through the first connection end. In addition, the dock device stores and holds extension information for making the mobile communication terminal an extension telephone terminal under the switching device in the extension information storage means. When the mobile phone terminal is connected through the second connection end, the extension information storage means is provided to the exchange device by the terminal registration processing means, and the mobile phone terminal connected to the dock device is connected to the exchange device. Registered as a subordinate extension telephone terminal. The extension information providing means provides the extension information stored in the extension information storage means to the mobile phone terminal, and the mobile phone terminal also registers that it has become an extension phone terminal under the switching device. The signal processing means processes a signal transmitted and received between the exchange device and the mobile phone terminal.

  On the other hand, in the mobile phone terminal, when connected to the dock device through the external device connection end, the use prohibiting means prevents identification information, which is information necessary for mobile phone communication, from being used. Communication through the mobile phone network is disabled. Then, the extension information management means accepts extension information provided from the dock device and is registered and managed in the storage means. Thereby, as described above, the mobile phone terminal functions as an extension phone terminal under the control of the exchange device.

  As described above, when the mobile phone terminal is connected to the dock device, use of the identification information is prohibited, and communication through the mobile phone network is disabled, so that communication through the mobile phone network is performed wastefully. Therefore, the communication cost can be reduced. That is, a telephone system that can use a mobile phone terminal as an extension telephone terminal can be configured easily and appropriately. Further, when a mobile phone terminal is connected to the dock device connected to the exchange device, the mobile phone terminal becomes an extension phone terminal under the exchange device through the dock device. Accordingly, the extension telephone terminals under the switching apparatus can be managed easily and appropriately.

According to this invention,
In view of the above, the present invention can easily and appropriately configure a telephone system that can use a mobile phone terminal as an extension telephone terminal, and can also manage the mobile phone terminal appropriately in an exchange device. Can be.

It is a figure for demonstrating the outline | summary of the telephone system of 1st Embodiment. 2 is a block diagram for explaining an example of the configuration of a SIP server 1. FIG. It is a figure for demonstrating the structural example of the management information (database) formed in address management DB106. It is a block diagram for demonstrating the structural example of the dock apparatus 4 of the telephone system of 1st Embodiment. 6 is a diagram for explaining an example of information managed in a connection terminal registration memory 421. FIG. 4 is a diagram for explaining an example of data stored and held in an ID management memory 425. FIG. It is a block diagram for demonstrating the structural example of the mobile telephone terminal 5 of the telephone system of 1st Embodiment. It is a sequence diagram for demonstrating the process from the connection to the telephone system of the mobile telephone terminal 5 in the telephone system of 1st Embodiment to a disconnection. FIG. 11 is a sequence diagram for explaining a recovery process of identification information from the dock device 4 to the mobile phone terminal 5. It is a sequence diagram for demonstrating the modification of the process from the connection to the leaving | separation of the mobile telephone terminal 5 in the telephone system of 1st Embodiment to a telephone system. It is a figure for demonstrating the outline | summary of the telephone system of 2nd Embodiment. It is a block diagram for demonstrating the structural example of 4 A of dock apparatuses of the telephone system of 2nd Embodiment. It is a block diagram for demonstrating the structural example of the mobile telephone terminal 5A of the telephone system of 2nd Embodiment. It is a sequence diagram for demonstrating the process from the connection to the telephone system of the mobile telephone terminal 5A in the telephone system of 2nd Embodiment to a disconnection. It is a sequence diagram for demonstrating the return process of the information for identification from the dock apparatus 4A to the mobile telephone terminal 5A in the telephone system of 2nd Embodiment. It is a sequence diagram for demonstrating the modification of the process from the connection to the telephone system of the mobile telephone terminal 5 in the telephone system of 2nd Embodiment to a disconnection. It is a figure for demonstrating the outline | summary of the telephone system of 3rd Embodiment. It is a block diagram which shows the structural example of the management server 9 of 3rd Embodiment. 7 is a diagram for explaining an example of management information recorded in a card management table of the management server 9. FIG. It is a figure for demonstrating the example of the management information recorded on the terminal management table of the management server 9. FIG. It is a sequence diagram for demonstrating the process from the connection to the telephone system of the mobile telephone terminal 5 performed in the telephone system of 3rd Embodiment to a disconnection. FIG. 22 is a sequence diagram following FIG. 21. It is a sequence diagram following FIG.

  Hereinafter, an embodiment of a system, apparatus, and method according to the present invention will be described with reference to the drawings. In the embodiment described below, for example, when the present invention is applied to an IP telephone system that is a button telephone system formed in an office and can perform telephone communication through an IP (Internet Protocol) network Will be described as an example.

[First Embodiment]
[Outline of Telephone System of First Embodiment]
FIG. 1 is a diagram for explaining the outline of the telephone system according to the first embodiment. As shown in FIG. 1, in the telephone system of the first embodiment, dock devices 4 (1), 4 (2),... Are connected to a SIP server 1 through a wired LAN 2. .. Are connected to the respective docking devices 4 (1), 4 (2),... So as to correspond to the respective mobile phone terminals 5 (1), 5 (2),.

  In the first embodiment, each of the dock devices 4 (1), 4 (2),... And each of the mobile phone terminals 5 (1), 5 (2),. (Serial Bus) cables 8 (1), 8 (2),. Further, as shown in FIG. 1, communication terminals such as ordinary IP telephone terminals 3 (1),... Can be connected to the SIP server 1 through the wired LAN 2.

  As shown in FIG. 1, the SIP server 1 is connected to the IP network 6 and the telephone network 7, and performs address resolution between terminals that connect communication paths (communication lines). In other words, the SIP server 1 has a registrar server function and a proxy server function. By using these functions, the SIP server 1 can be connected to a device in the telephone system connected to the LAN 2 or a device connected to the LAN 2. A communication path can be connected to a device connected to the IP network 6 or the telephone network 7. In this embodiment, as shown in FIG. 1, for example, an IP address “192.168.1.1” is assigned to the SIP server 1.

  The IP network 6 is a network that performs communication using IP (Internet Protocol), and is specifically the Internet. The telephone network 7 is a third-generation high-speed cellular phone network called an analog public switched telephone network (PSTN), a digital network (ISDN), a 3G circuit, or the like. (Mobile phone network) and the like.

  Each of the dock devices 4 (1), 4 (2),... Has a function of charging the mobile phone terminals 5 (1), 5 (2),. Further, each of the dock devices 4 (1), 4 (2),... Is connected to the mobile phone terminals 5 (1), 5 (2),. , 5 (2),... Function as telephone terminals under the SIP server 1. For this reason, the memories of the dock devices 4 (1), 4 (2),... Are connected to their own devices as shown below the dock devices 4 (1) and 4 (2) in FIG. Extension registration data (extension information) is set in advance for the mobile phone terminal thus set to be a phone terminal under the control of the SIP server 1.

  As shown in FIG. 1, in the first embodiment, the extension registration data set in the dock device 4 (1) includes an extension number “2010”, an IP address “192.168.1.10”, The port number is “5060”. The extension registration data set in the dock device 4 (2) is an extension number “2011”, an IP address “192.168.1.20”, and a port number “5060”. Each of the dock devices 4 (1) and 4 (2) functions to process signals transmitted and received between the SIP server 1 and the mobile phone terminals 5 (1) and 5 (2) connected to the own device. It also has.

  As described above, when the mobile phone terminals 5 (1), 5 (2),... Are connected to the dock devices 4 (1), 4 (2),. It can function as a telephone terminal. Each of the mobile phone terminals 5 (1), 5 (2),..., When they are used alone, make a call by connecting a communication path (communication line) through the mobile phone network (3G line). It is something that can be done. In addition, when each of the mobile phone terminals 5 (1), 5 (2),... Is used alone, the mobile phone terminals 5 (1), 5 (2),. You can upload, send and receive e-mails.

  As described above, the telephone system according to the first embodiment has the mobile phone terminal 5 (1) for the dock devices 4 (1), 4 (2),. 5 (2),... Are connected by wire. And the mobile phone terminals 5 (1), 5 (2),... Connected to the dock devices 4 (1), 4 (2),... Are connected to the telephone terminals (under the SIP server 1) as described above. Function as an extension mobile terminal).

  At this time, in each of the mobile phone terminals 5 (1), 5 (2),..., Information necessary for mobile phone communication with the mobile phone terminal, which is different for each mobile phone terminal has. Prohibit the use of identification information. The identification information is SIM card information recorded on a SIM card (Subscriber Identity Module Card) that is normally used for each mobile phone terminal.

  In this way, the mobile phone terminals 5 (1), 5 (2),... Connected to the dock devices 4 (1), (2),... Are prohibited from using identification information (SIM card information). Is done. Accordingly, each of the mobile phone terminals 5 (1), 5 (2),... Cannot be communicated through the mobile phone network, and is exclusively a phone terminal (extension phone terminal) under the control of the SIP server 1. Be made to function as.

  In the first embodiment, each of the dock devices 4 (1), 4 (2),... Is basically configured similarly. Therefore, in the following description, the dock devices 4 (1), 4 (2),... Connected to the LAN 2 are collectively referred to as the dock device 4 unless otherwise indicated. Also, each of the mobile phone terminals 5 (1), 5 (2),... Has the same basic configuration. Therefore, in the following description, unless otherwise indicated, the mobile phone terminals 5 (1), 5 (2),. Also, the USB cables 8 (1), 8 (2),... Are collectively referred to as a USB cable 8 unless otherwise indicated. Hereafter, each apparatus which comprises the telephone system of this 1st Embodiment is demonstrated concretely.

[Configuration Example of SIP Server 1]
First, the SIP server 1 of the telephone system according to the first embodiment will be described. FIG. 2 is a block diagram for explaining a configuration example of the SIP server 1. As shown in FIG. 2, the SIP server 1 includes a connection terminal 101 to the IP network 6, an IP network interface (hereinafter abbreviated as IP network I / F) 102, and a packet decomposition / generation unit 103. ing. The SIP server 1 includes a telephone network interface (hereinafter abbreviated as a telephone network I / F) 104, a connection terminal 105 to the telephone network 7, and an address management database (hereinafter abbreviated as an address management DB). 106. Furthermore, the SIP server 1 includes a LAN interface (hereinafter abbreviated as LAN I / F) 107, a connection terminal 108 to the LAN 2, and a control unit 110.

  The control unit 110 controls each unit of the SIP server 1 according to this embodiment, and as shown in FIG. 2, a CPU (Central Processing Unit) 111, a ROM (Read Only Memory) 112, a RAM (Random Access Memory). ) 113 is a microcomputer configured by being connected through the system bus 114. Here, the CPU 111 executes a program stored in the ROM 112 to generate a control signal for controlling each unit and supply the control signal to each unit or process information from each unit. . As described above, the ROM 112 stores and holds various programs executed by the CPU 111 and various data necessary for processing.

  The RAM 113 is mainly used as a work area, such as temporarily storing intermediate results of processing. Although not shown, for example, a nonvolatile memory such as an EEPROM (Electrically Erasable and Programmable ROM) or a flash memory is provided, and data to be retained even when the power is turned off, for example, various setting parameters and functions are improved. It is possible to store and hold new programs provided for the purpose.

  The connection terminal 101 constitutes a connection end to the IP network 6. The IP network I / F 102 receives a packet supplied through the IP network 6, converts it into a packet in a format that can be processed by itself, and supplies the packet to the control unit 110. The IP network I / F 102 converts a packet to be transmitted supplied through the control unit 110 into a packet in a transmission format, and transmits the packet to the IP network 6.

  The connection terminal 105 constitutes a connection end to the telephone network 7. The telephone network I / F 104 receives data supplied through the telephone network 7, converts the data into data in a format that can be processed by the own device, and supplies the data to the control unit 110. Further, the telephone network I / F 104 converts data to be transmitted supplied through the control unit 110 into data in a transmission format, and transmits the data to the telephone network 7.

  The connection terminal 108 constitutes a connection end to the LAN 2. The LAN I / F 107 receives a packet supplied via the LAN 2, converts it into a packet in a format that can be processed by the own device, and supplies the packet to the control unit 110. The LAN I / F 107 converts a packet to be transmitted supplied through the control unit 110 into a packet in a format for transmission, and transmits this to the LAN 2.

  The packet decomposition / generation unit 103 performs packet decomposition and generation. Specifically, a packet to be transmitted to a terminal device connected to the telephone network 7 from a telephone terminal (IP telephone terminal) connected to the SIP server 1 through the LAN 2 is transmitted through the connection terminal 108 and the LAN I / F 107. It is received by the control unit 110. The packet is supplied from the control unit 110 to the packet decomposing / generating unit 103, where the packet is disassembled, and then transmitted to the telephone network 7 through the telephone network I / F 104 and the connection terminal 105, and transmitted to the intended destination. To be done.

  Data from a terminal device connected to the telephone network 7 to a subordinate telephone terminal connected to the SIP server 1 through the LAN 2 is received by the control unit 110 through the connection terminal 105 and the telephone network I / F 104. The data is supplied from the control unit 110 to the packet decomposing / generating unit 103, where it is converted into a packet of a predetermined format, and then sent to the LAN 2 through the LAN I / F 107 and the connection terminal 108 to be sent to the target telephone terminal. To be sent.

  Packets are transmitted and received between a terminal connected to the IP network 6 and a telephone terminal connected to the SIP server 1 via the LAN 2. For this reason, the packet decomposition / generation unit 103 does not perform packet decomposition or generation, and the IP network I / F 102 and the LAN I / F 107 prepare the data format and transmit / receive it as it is. Similarly, since packets are transmitted and received between devices such as telephone terminals connected to the SIP server 1 via the LAN 2, the packet disassembly / generation unit 103 does not decompose or generate packets. Packets are transmitted and received through F107.

  The address management DB 106 is connected to the IP network 6 or the LAN 2 in order to realize a registrar server function, and stores and holds address information about a terminal device that may be called through the SIP server 1. Specifically, the control unit 110 of the SIP server 1 receives registration requests (register requests) from various terminal devices connected thereto through the IP network I / F 102 and the LAN I / F 107. In this case, the control unit 110 extracts address information and the like included in the received request. Then, the control unit 110 registers the extracted address information or the like in the address management DB 106, or updates the registration information in the address management DB 106 using the extracted address information or the like.

  In this way, the information registered and managed in the address management DB 106 is referred to, and the communication destination requested from the telephone terminal connected to the own device through the LAN 2 is surely specified. The SIP server 1 realizes a function as a proxy server that transfers information (packet data) to be transmitted to the specified partner. The information registered and managed in the address management DB 106 is also used for discrimination of incoming calls to telephone terminals connected to the own device through the LAN 2.

  FIG. 3 is a diagram for describing a configuration example of management information (database) formed in the address management DB 106. The address management DB 106 of the SIP server 1 manages address information about telephone terminals connected to the SIP server 1 through a LAN, in addition to address information of terminals of other IP telephone systems connected to the IP network 6. It is something that can be done.

  In the address management DB 106 of the SIP server 1 of this embodiment, as shown in FIG. 3, the extension number, IP address, port number, and other various information (for the telephone terminal connected to the SIP server 1 via the LAN) Extension registration data (extension information) can be registered and managed. Here, the extension number and the IP address are assigned in advance to the telephone terminal under the control of the SIP server 1. The port number is information for specifying a port used for transmission / reception of information between the SIP server 1 and the telephone terminal, and the information is also determined in advance. As other information, for example, a Uniform Resource Identifier (URI), a Media Access Control (MAC) address, and the like can be registered and managed.

  In addition, the management information about the terminal device connected to the IP network 6 managed in the address management DB 106 of the SIP server 1 of this embodiment includes the URI (SIP URI) transmitted from the terminal device and the IP address. It is. In addition, it is also possible to manage other transmitted information such as a MAC address.

  Then, it is assumed that the SIP server 1 receives a call request (call request) from a telephone terminal under the SIP server 1 to the terminal device connected to the IP network 6 in the telephone system of this embodiment. In this case, the control unit 110 of the SIP server 1 specifies a target destination terminal device based on the management information of its own address management DB 106, and transfers a message to the specified terminal device. .

  Similarly, a call request (call request) is made from a telephone terminal under the SIP server 1 to another telephone terminal under the SIP server 1 connected to the SIP server 1 from the telephone terminal under the SIP server 1 in this embodiment. It is assumed that the SIP server 1 has accepted. In this case, the control unit 110 of the SIP server 1 identifies the target telephone terminal of the other party based on the management information of its own address management DB 106, and forwards the message to the identified telephone terminal. .

  Further, it is assumed that the SIP server 1 accepts an incoming call request (outside line incoming call) to a telephone terminal connected to the local machine via the IP network 6 or the telephone network 7. In this case, the control unit 110 of the SIP server 1 receives the transmitted message and sends it to the own system. Note that even if the incoming call is an outside line, the SIP server 1 is used in the case of, for example, an individual incoming call (incoming call specifying a destination IP telephone terminal) or an outgoing / incoming call of an extension of a telephone terminal connected to the SIP server 1 via a LAN. Specify the other party and notify the incoming call. In other words, in this case, the control unit 110 of the SIP server 1 specifies the target telephone terminal of its own subordinate based on the management information of its own address management DB 106, and designates the specified telephone terminal of its own subordinate. On the other hand, the message is transferred.

  Further, when an IP telephone number is used for outgoing calls, although not shown in FIG. 1, a gateway or DNS (Domain Name System) connected to the IP network 6 is used to start from an IP telephone number. A URI or the like is retrieved and used. Similarly, when a call is made from the other party to the telephone terminal under the SIP server 1 of the telephone system of this embodiment using the IP telephone number, the gateway or DNS connected to the IP network 6 is also the same. Is used and a URI or the like is retrieved from the IP telephone number and used.

  In addition, the control unit 110 can grasp a communication line in use or an empty communication line through the IP network I / F 102, the telephone network I / F 104, and the LAN I / F 107 so that the circuit can be appropriately exchanged. ing. Further, the control unit 110 forms control information for controlling lighting and extinguishing of LEDs and the like to be supplied to each telephone terminal connected through the LAN 2 in accordance with the grasped usage state of the communication line. The control information is transmitted to the LAN 2 through the LAN I / F 107 and the connection terminal 108 and transmitted to each telephone terminal and the like.

  As described above, the SIP server 1 of this embodiment includes the packet decomposition / generation unit 103 and the address management DB 106, and relays messages between terminals connected to various networks to which the SIP server 1 is connected. It is something that can be done. Therefore, the main apparatus 1 of this embodiment can perform connection between external lines and internal lines, connection between internal lines, and can notify a subordinate radio communication terminal of the use status of a communication line.

  As described above, in this embodiment, when the mobile phone terminal 5 is connected to the dock device 4 connected to the SIP server 1 through the USB cable 8, the dock device 4 is connected to the dock device 4. The mobile phone terminal 5 becomes a phone terminal under the control of the SIP server 1. In this case, the dock device 4 provides extension registration data (extension number, IP address, port number) to the SIP server 1, and the mobile phone terminal 5 connected to the own device is connected to a telephone under the SIP server 1. Register as a terminal.

  As a result, in the SIP server 1, the extension management data from the dock device 4 is managed in the address management DB 106 as described with reference to FIG. That is, the mobile phone terminal 5 connected to the dock device 4 can be managed in the SIP server 1 as a telephone terminal under the control of the SIP server 1.

  Further, as will be described in detail later, the dock device 4 provides the extension registration data to the mobile phone terminal 5 connected to the own device to register it. In this way, the dock device 4 provides the extension registration data to the SIP server 1 and the mobile phone terminal 5 connected to the own device for registration, so that the mobile phone connected to the dock device 4 can be registered. The terminal 5 is made to function as an extension telephone terminal under the SIP server 1.

  When the mobile phone terminal 5 connected to the dock device 4 is disconnected, the dock device 4 requests the SIP server 1 to disconnect the mobile phone terminal 5 from the subordinate phone terminals. I will provide a. In this case, in the SIP server 1, the extension registration data of the dock device 4 is deleted from the address management DB 106, and the mobile phone terminal 5 leaves the subordinate of the SIP server 1.

  In FIG. 2, the packet decomposition / generation unit 103 is shown as an independent circuit part, but the present invention is not limited to this. The packet disassembly / generation unit 103 can of course be realized as a function of the control unit 110 by a program executed by the control unit 110.

[Configuration Example of Dock Device 4]
Next, the configuration of the dock device 4 used in the telephone system according to the first embodiment will be described. FIG. 4 is a block diagram for explaining a configuration example of the dock device 4 of the telephone system according to the first embodiment.

  As shown in FIG. 4, the dock device 4 according to the first embodiment includes a LAN connection terminal 401, a LAN I / F 402, an external terminal 411, an external interface (hereinafter abbreviated as an external I / F) 412, and a charging current. A supply unit 413, an AC outlet 414, a connection terminal registration memory 421, a terminal registration leaving processing unit 422, an extension information provision processing unit 423, a transmission / reception signal processing unit 424, an ID management memory 425, and a control unit 430 are provided. The control unit 430 controls each unit of the dock device 4 of this embodiment, and is a microcomputer configured by connecting a CPU 431, a ROM 432, a RAM 433, and an EEPROM 434 through a CPU bus 435.

  The CPU 431 reads out and executes a program stored in the ROM 432, forms a control signal to be supplied to each part and supplies it to each part, or processes data supplied from each part. is there. As described above, the ROM 432 stores and holds various programs executed by the CPU 431 and various data necessary for processing. The RAM 433 is mainly used as a work area, such as temporarily storing intermediate results of processing.

  The EEPROM 434 can also store and hold data that should be retained even when the power is turned off, such as various setting parameters and new programs provided for function enhancement. . Note that the EEPROM 434 also stores and holds the extension registration data (extension information) shown in FIG. 1, which includes an extension number, IP address, port number, etc. set in advance for the dock device 4.

  The LAN connection terminal 401 constitutes a connection end portion to the LAN 2. The LAN I / F 402 receives a packet supplied via the LAN 2, converts it into a packet in a format that can be processed by itself, and supplies the packet to the control unit 430. The LAN I / F 402 converts a packet to be transmitted supplied through the control unit 430 into a packet in a transmission format, and sends this to the LAN 2.

  The external terminal 411 constitutes a connection end portion with the mobile phone terminal 5 that is an external device, and has a data terminal and a charging terminal. For this reason, as shown in FIG. 4, an external I / F 412 and a charging current supply unit 413 are connected to the external terminal 411. When an external device such as the mobile phone terminal 5 is connected to the external terminal 411, the external I / F 412 exchanges signals at the time of connection with the mobile phone terminal 5, thereby connecting the mobile phone terminal 5. This is detected and notified to the control unit 430. Thereby, the control unit 430 can recognize that the mobile phone terminal 5 is connected to the own device through the external terminal 411.

  The external I / F 412 receives data from the mobile phone terminal 5 supplied through the external terminal 411, converts the data into data in a format that can be processed by the own device, and supplies the data to the control unit 430. Also, the external I / F 412 converts data from the control unit 430 supplied to the mobile phone terminal 5 connected to the external terminal 411 into data of a predetermined format for output, and outputs this through the external terminal 411. .

  The charging current supply unit 413 generates a DC charging current from the commercial AC voltage sent from the AC outlet 414. The charging current supply unit 413 is controlled to the driving state by the control of the control unit 430 based on the detection notification that the mobile phone terminal 5 is connected to the dock device 4 from the external I / F 412, and the charging current is The mobile phone terminal 5 is supplied through an external terminal.

  In this embodiment, the portion including the external terminal 411, the external I / F 412 and the charging current supply unit 413 of the dock device 4 conforms to the USB (Universal Serial Bus) standard. That is, in this embodiment, the external terminal 411 of the dock device 4 is a USB terminal.

  The connection terminal registration memory 421 stores and holds terminal identification information of the mobile phone terminal 5 that can be connected to the dock device 4 through the external terminal 411 and information indicating the connection state. By checking based on the registration information in the connection terminal registration memory 421, only a predetermined mobile phone terminal can be connected to the dock device 4, and an outsider's mobile phone terminal is connected to the dock device 4. Thus, it is possible to prevent a call from being made through the telephone system.

  FIG. 5 is a diagram for explaining an example of information managed in the connected terminal registration memory 421. As shown in FIG. (Sequence number), connection status, registration terminal, telephone number, and carrier (contract telephone company (contract operator)) are registered. No. Is a sequence number assigned in the order of registration. The connection status is information indicating which mobile phone terminal is connected to the dock device 4 and which mobile phone terminal is not connected.

  The registered terminal is information used to identify each mobile phone terminal 5 in the telephone system. For example, the MAC (Media Access Control) address of each mobile phone terminal is used. The information indicating the registered terminal may be information that can identify a connectable mobile phone terminal, and may be a user name registered in each mobile phone terminal, for example. The telephone number is a telephone number assigned to each mobile phone terminal 5, and the carrier connects the mobile phone terminal to the mobile phone network and provides a service that enables communication to be performed by a mobile phone company (operator ).

  Among these pieces of information, registered terminal, telephone number, and carrier information (terminal identification information) is, for example, a cellular phone of a user who can use the telephone system by the administrator of the telephone system of this embodiment. Information of the terminal 5 is registered in advance. The connection status is information that is updated in the dock device 4 in accordance with the actual connection status of the mobile phone terminal 5 to the dock device 4.

  In the case of the example shown in FIG. 5, the dock device 4 shows a case where ten different mobile phone terminals 5 from the terminal A to the terminal J are registered in advance as connectable. Yes. In the case of the example illustrated in FIG. 5, the terminal A among the terminals A to J is currently connected to the dock device 4.

  Then, when the mobile phone terminal 5 is connected to the dock device 4, the terminal registration removal processing unit 422 performs processing to register the mobile phone terminal 5 as a subordinate phone terminal with respect to the SIP server 1. . In addition, when the mobile phone terminal 5 connected to the dock device 4 is released, the terminal registration leaving processing unit 422 uses the mobile phone terminal 5 registered as the phone terminal under the SIP server 1 as the SIP. A process of leaving the server 1 under control is performed.

  Specifically, the control unit 430 detects that the mobile phone terminal 5 is connected to the external terminal 411 through the external I / F 412, and the same terminal identification information as the terminal identification information provided from the mobile phone terminal 5 is connected. It is assumed that it has been registered in the terminal registration memory 421. In this case, the control unit 430 controls the terminal registration / leaving processing unit 422 so that the mobile phone terminal 5 connected to the dock device 4 becomes a phone terminal under the control of the SIP server 1. Process.

  That is, the terminal registration removal processing unit 422 forms a registration request to the SIP server 1 according to the control of the control unit 430, and sends the registration request to the SIP server 1 through the control unit 430, the LAN I / F 402, and the LAN connection terminal 401. To send. Here, the registration request includes information indicating that the request is a registration request and extension registration data (extension number, IP address, port number) as described with reference to FIG. In the SIP server 1, based on the registration request from the dock device 4, the extension number, IP address, and port number for the requesting telephone terminal are registered in the address management DB 106. In this way, the mobile phone terminal 5 connected to the dock device 4 becomes a phone terminal under the control of the SIP server 1.

  Further, the terminal registration / removal processing unit 422 performs a separation process when the control unit 430 detects that the mobile phone terminal 5 connected to the external terminal 411 has left the external terminal 411 through the external I / F 412. . In this case, the terminal registration removal processing unit 422 generates a withdrawal request to the SIP server 1 according to the control of the control unit 430, and sends the request to the SIP server 1 through the control unit 430, the LAN I / F 402, and the LAN connection terminal 401. To send to. Here, the leaving request includes information indicating that the request is a leaving request and, for example, extension registration data. The SIP server 1 deletes the extension registration data for the requesting telephone terminal from the address management DB 106 based on the withdrawal request from the dock device 4. As a result, the mobile phone terminal 5 connected to the dock device 4 is removed from the subordinates of the SIP server 1.

  The extension information provision processing unit 423 provides extension registration data (extension information) for the mobile phone terminal 5 connected to the dock device 4 as information for the mobile phone terminal 5 to be a phone terminal under the SIP server 1. Information) is provided. That is, when the mobile phone terminal 5 is connected to the dock device 4 and detected by the control unit 430, the control unit 430 controls the extension information provision and causes the extension information provision processing unit 423 to function. In this case, the extension information provision processing unit 423 reads the extension registration data stored in the EEPROM 434 through the control unit 430 and converts it into data in a format to be supplied to the mobile phone terminal 5. Then, the extension information provision processing unit 423 supplies the converted extension registration data to the mobile phone terminal 5 through the control unit 430, the external I / F 412, and the external terminal 411. Thereby, extension registration data is provided to the mobile phone terminal 5 and registered.

  In this way, the terminal registration leaving processing unit 422 and the extension information provision processing unit 423 of the dock device 4 function, and the extension registration data (extension information) is transmitted to the SIP server 1 and the mobile phone terminal 5 connected to the dock device 4. And supply to. Thereby, the mobile phone terminal 5 connected to the dock device 4 can function as a phone terminal (extension phone) under the control of the SIP server 1.

  The transmission / reception signal processing unit 424 processes various signals transmitted and received between the SIP server 1 and the mobile phone terminal 5 connected to the external terminal 411. Specifically, a signal (data) from the SIP server 1 to the mobile phone terminal 5 connected to the dock device 4 is received through the LAN connection terminal 401 and the LAN I / F 402 and transmitted / received signal processing unit 424 via the control unit 430. To be supplied. The transmission / reception signal processing unit 424 converts the signal from the SIP server 1 into a signal of a format to be supplied to the mobile phone terminal 5 by packet decomposition or the like, and the mobile phone through the control unit 430, the external I / F 412, and the external terminal 411. Provided to the terminal 5.

  A signal (data) from the mobile phone terminal 5 connected to the dock device 4 to the SIP server 1 is received through the external terminal 411 and the external I / F 412 and supplied to the transmission / reception signal processing unit 424 through the control unit 430. . The transmission / reception signal processing unit 424 forms a packet in a format to be supplied to the SIP server 1 from the signal from the mobile phone terminal 5 and supplies the packet to the SIP server 1 through the control unit 430, the LAN I / F 402, and the LAN connection terminal 401. Here, the signals transmitted and received between the SIP server 1 and the mobile phone terminal 5 connected to the dock device 4 include various control signals as well as call voice transmitted and received after connecting the communication path. .

  The ID management memory 425 is used for storing and holding identification information provided by the mobile phone terminal 5 held by each mobile phone terminal and connected to the dock device 4. As described above, the identification information is information necessary for mobile phone communication with the mobile phone terminal and is different for each mobile phone terminal. For example, the SIM card information stored in the SIM card It is.

  FIG. 6 is a diagram for explaining an example of data stored and held in the ID management memory 425. As shown in FIG. 6, in the ID management memory 425, the SIM card identification information (card ID), the terminal used, the telephone number, the carrier (mobile phone operator), and the remaining amount are recorded. Further, as the information on the terminal used, the identification information of the mobile phone terminal 5 that has used the SIM card information of the SIM card, in this example, for example, the MAC address of the mobile phone terminal (described as MAC-A in FIG. 6) Is recorded.

  Further, as the telephone number, carrier, and remaining amount information, information related to the subscriber telephone number, mobile phone carrier, and communication fee settlement included in the SIM card information is recorded. When the remaining amount is recorded as “card”, it means that the communication fee is settled by credit card. Note that the remaining amount may be recorded as a numerical value such as “2300”. In such a case, the communication fee is settled by prepaid, which means that the remaining amount (2300 yen) remains.

  As described above, in the dock device 4 according to the first embodiment, the SIM card information and the MAC address of the mobile phone terminal 5 which are identification information used in the mobile phone terminal 5 connected to the own device. The ID management memory 425 can manage (information for identifying used terminals). As a result, the mobile phone terminal 5 connected to the dock device 4 can be used as a mobile phone terminal by erasing the used identification information from the memory so that communication through the mobile phone network cannot be performed. To be able to stop. Details of the mobile phone terminal 5 will be described later. Also, stopping the function as a mobile phone terminal mainly means that communication through the mobile phone network cannot be performed, but broadly, stopping the function that the mobile phone terminal 5 realizes alone. means.

  As described above, the dock device 4 according to the first embodiment functions so that the mobile phone terminal 5 connected to the own device becomes a phone terminal under the control of the SIP server 1. The mobile phone terminal 5 connected to the dock device 4 communicates with other phone terminals connected to the LAN 2, the phone network connected to the IP network 6, and the phone network 7 through the SIP server 1 and the dock device 4. You can make calls between them. In addition, when the mobile phone terminal 5 connected to the dock device 4 is disconnected from the own device, the dock device 4 uses the mobile phone terminal 5 as a phone terminal under the SIP server 1 as the SIP server 1. It can also be removed from subordinates.

  In FIG. 4, the terminal registration / leave processing unit 422, the extension information provision processing unit 423, and the transmission / reception signal processing unit 424 indicated by double lines are shown as independent circuit parts, but the control unit 430. Of course, it can be realized as a function of the control unit 430 by a program executed in the above. It is also possible to provide a dedicated memory for storing and holding extension registration data (extension information), or to have the functions of the connection terminal registration memory 421 and the ID management memory 425 in an existing memory or storage device such as the EEPROM 434. It is.

[Configuration example of mobile phone terminal 5]
Next, the configuration of the mobile phone terminal 5 used in the telephone system according to the first embodiment will be described. FIG. 7 is a block diagram for explaining a configuration example of the cellular phone terminal 5 of the telephone system according to the first embodiment.

  As shown in FIG. 7, the cellular phone terminal 5 of this embodiment includes a transmission / reception antenna 501, a telephone communication unit 502, a transmission / reception signal processing unit 503, and a call voice processing unit 504 as a wireless communication processing system. A telephone receiver (speaker) 506 is connected to the call voice processing unit 504 through a receiver amplifier 505, and a transmitter (microphone) 507 is connected through a transmitter amplifier 508.

  In addition, the mobile phone terminal 5 includes a SIM card information memory 510 that stores and holds SIM card information that is identification information necessary to function as a mobile phone terminal. In addition, when the mobile phone terminal 5 is connected to the dock device 4, the message processing unit 511, the extension information management unit 512, and the call voice conversion function as a part for functioning as a telephone terminal under the SIP server 1. Part 513.

  Further, the mobile phone terminal 5 includes an operation input unit 521, an operation input I / F 522, a display controller 523, a display 524, and a ringer 525 as parts constituting a user interface. In this example, the display 524 is an LCD (Liquid Crystal Display). In addition, a so-called thin display element such as an organic EL display (organic electroluminescence display) can also be used. Although not shown, the mobile phone terminal 5 is also provided with a vibrator for notifying incoming calls. Furthermore, the mobile phone terminal 5 includes an external terminal 531, an external I / F 532, a charging circuit 533, and a battery 534, and a control unit 540 that controls each unit of the mobile phone terminal 5.

  The control unit 540 is a microcomputer formed by connecting a CPU 541, ROM 542, RAM 543, and EEPROM 544 through a CPU bus 545. The CPU 541 reads out and executes a program stored in the ROM 542, forms a control signal to be supplied to each unit, supplies the signal to each unit, or receives data transmitted from each unit, and responds accordingly. Execute the process. The ROM 542 stores programs executed in the CPU 541 and various data necessary for processing in advance.

  The RAM 543 is mainly used as a work area, such as temporarily storing intermediate results of processing. The EEPROM 544 is a so-called nonvolatile memory, and stores and holds data and the like that should be retained even when the power of the cellular phone terminal 5 is turned off. The EEPROM 544 stores and holds various setting parameters, application programs, additional programs for improving functions, telephone directory data, and the like.

  The transmission / reception antenna 501 is an end for transmitting / receiving data to / from the mobile phone network. The telephone communication unit 502 is for communicating with the other party through a base station of a mobile phone network. The transmission / reception signal processing unit 503 analyzes the communication information received through the telephone communication unit 502 under the control of the control unit 540, decodes the call control message and the call signal, and supplies them to the control unit 540. A transmission signal to be transmitted through 502 is generated.

  The call voice processing unit 504 converts the received voice information from the transmission / reception signal processing unit 503 from a digital signal to an analog signal under the control of the control unit 540 and supplies the converted signal to the reception amplifier 505. The received voice signal supplied to the receiver amplifier 505 is amplified here, and then supplied to the receiver 506 for sound reproduction. The call voice processing unit 504 also converts a transmission voice signal collected by the transmitter 507 and amplified by the transmission amplifier 508 from an analog signal to a digital signal, and under the control of the control unit 540, The data is supplied to the transmission / reception signal processing unit 503. Then, as described above, the transmission / reception signal processing unit 503 generates a transmission signal to be transmitted from the digitized transmission voice signal from the call voice processing unit 504, and supplies the transmission signal to the telephone communication unit 502 for transmission. Like that.

  The operation input unit 521 is provided with a numeric key, an off-hook key, an on-hook key, and other various function keys, and is a part that receives an operation input from the user. The operation input from the user received through the operation input unit 521 is converted into an electric signal in the operation input I / F 522 and notified to the control unit 540. Thereby, the control unit 540 controls each unit in accordance with a signal from the operation input I / F 522, and can perform processing in accordance with a user instruction.

  The display controller 523 forms a display signal for displaying information on the display 524 under the control of the control unit 540, and supplies the display signal to the display 524. As a result, various information is displayed on the display 524. For example, when a call is received, the telephone number or name of the caller is displayed, and when calling, for example, phone book data registered in the phone book DB of the EEPROM 544 is displayed.

  In addition, during standby, a predetermined standby screen can be displayed on the display 524, and various error messages, guidance messages, and the like can be displayed. Note that the phone book DB can store and hold a large amount of information such as the telephone number, name, address, and e-mail address of the other party who frequently calls or frequently calls.

  The external terminal 531 constitutes a connection end with the dock device 4 that is an external device, and has a data terminal and a charging terminal. Therefore, as shown in FIG. 6, an external I / F 532 and a charging circuit 533 are connected to the external terminal 531.

  The external I / F 532 is for transmitting and receiving data to and from the dock device 4 connected through the external terminal 531. When the dock device 4 is connected to the external terminal 531, the external I / F 532 detects the connection to the dock device 4 by exchanging signals with the dock device 4 at the time of connection, The control unit 540 is notified. Thereby, the control unit 540 can recognize that the own device is connected to the dock device 4 through the external terminal 531.

  The external I / F 532 receives data from the dock device 4 supplied through the external terminal 531, converts the data into data in a format that can be processed by the own device, and supplies the data to the control unit 540. Further, the external I / F 532 converts data from the control unit 540 supplied to the dock device 4 connected to the external terminal 531 into data of a predetermined format for output, and outputs this through the external terminal 531.

  Charging circuit 533 generates a current to be supplied to the battery from the charging current sent from dock device 4 through the charging terminal of external terminal 531. Then, the charging circuit 533 is controlled to the driving state by the control of the control unit 540 based on the detection notification of connection to the dock device 4 from the external I / F 532, and supplies the current generated for charging to the battery 534. To do. Thereby, the battery 534 of the mobile phone terminal 5 is charged.

  In this embodiment, the part including the external terminal 531, the external I / F 532, and the charging circuit 533 of the mobile phone terminal 5 conforms to the USB (Universal Serial Bus) standard. That is, in this embodiment, the external terminal 531 of the mobile phone terminal 5 is a USB terminal.

  When the mobile phone terminal 5 of this embodiment is connected to the dock device 4 through the external terminal 531, the mobile phone terminal 5 becomes a phone terminal under the control of the SIP server 1. In this case, the use of information in the SIM card information memory 510 is prohibited, and the message processing unit 511, the extension information management unit 512, and the call voice conversion unit 513 function.

  As will be described in detail later, when the mobile phone terminal 5 is connected to the dock device 4, the control unit 540 sends necessary information such as identification information (SIM card information) in the SIM card information memory 510 to the dock device 4. Send to. Thereafter, the control unit 540 erases the SIM card information from the SIM card information memory 510. As a result, the SIM card information, which is identification information, cannot be used in the mobile phone terminal 5, so that the mobile phone terminal 5 cannot communicate through the mobile phone network. As described above, the SIM card itself is not mounted on the mobile phone terminal 5 of this embodiment, and when the SIM card information is recorded in the SIM card information memory 510, it can function as a mobile phone terminal. Is.

  Then, the message processing unit 511 sends a message (request) to / from the dock device 4 when the mobile phone terminal 5 is connected to the dock device 4 through the external terminal 531 under the control of the control unit 540. , Instructions, notifications, responses, etc.). Specifically, the message processing unit 511 receives message information from the dock device 4 connected through the external terminal 531 and supplies the message information to the control unit 540 so that the message information can be used by the control unit 540. As a result, the control unit 540 can perform processing corresponding to the message from the dock device 4.

  Further, the message processing unit 511 forms a message to be provided from its own device to the dock device 4, and supplies the message to the dock device 4 through the control unit 540, the external I / F 532, and the external terminal 531. Here, the message provided from the own device to the dock device 4 corresponds to, for example, a message that needs to be provided according to an instruction from the user received through the operation input unit 521 or a message provided from the dock device 4. Messages that need to be provided.

  The extension information management unit 512 receives extension management data (extension information) provided from the dock device 4 and manages the extension management data so that it can be stored and used in the memory of the extension information management unit 512 or the EEPROM 544. To do. Thus, when making a call from the own device, the message processing unit 511 forms a call message using the extension management data as the caller information, and transmits the call message to the SIP server 1 through the dock device 4. You will be able to make outgoing calls. In addition, based on the extension management data, the control unit 540 can determine an incoming call to the own device, notify the incoming call to the own device, and respond according to a user operation. To be done.

  The call voice conversion unit 513 processes call voice sent and received between the other party and the own device (mobile phone terminal 5) through the SIP server 1 and the dock device 4. Specifically, the call voice from the destination telephone terminal connected to the IP network 6 or the telephone network 7 provided through the SIP server 1 and the dock device 4 is transmitted from the external terminal 531, the external I / F 532, and the control unit 540. To the call voice conversion unit 513. The call voice conversion unit 513 forms voice data in a format to be supplied to the call voice processing unit 504 from the supplied call voice data of the other party, and supplies this to the call voice processing unit 504 through the control unit 540. As a result, voice data from the other party of the call is converted into an analog voice signal by the call voice processing unit 504, supplied to the receiver 506 through the receiver amplifier 505, and reproduced.

  Further, the call voice conversion unit 513 supplies call voice data from the user of the own device collected by the transmitter 507 and processed by the transmission amplifier 508 and the call voice processing unit 504 to the dock device 4. Convert to audio data in the format you want. The converted voice data from the user of the own device is supplied to the dock device 4 through the control unit 540, the external I / F 532, and the external terminal 531 and is transmitted from the dock device 4 to the other party of the call through the SIP server 1. To be done. As described above, the mobile phone terminal 5 functions as an extension telephone terminal through the dock device 4 by the function of the call voice conversion unit 513, and performs a call with the other party connected to the communication path through the SIP server 1. To be able to.

  As described above, the dock device 4 permits only connection of the mobile phone terminal 5 that matches the terminal identification information registered in advance in the connection terminal registration memory 421. Therefore, the function of the control unit 540 provides the terminal information (MAC address) and identification information (SIM card information) of the own device to the dock device 4 so that authentication can be performed.

  When the connection is permitted in the dock device 4, the mobile phone terminal 5 becomes a telephone terminal under the SIP server 1 through the dock device 4. For this reason, when connected to the dock device 4, the message processing unit 511, the extension information management unit 512, and the call voice conversion unit 513 function appropriately under the control of the control unit 540. Thereby, the mobile phone terminal 5 connected to the dock device 4 functions as a phone terminal under the control of the SIP server 1 and can make a call with a communication partner.

  In FIG. 6, the message processing unit 511, the extension information management unit 512, and the call voice conversion unit 513 indicated by double lines are shown as independent circuit parts, but the present invention is not limited to this. . Of course, each of the message processing unit 511, the extension information management unit 512, and the call voice conversion unit 513 can be realized as a function of the control unit 540 by a program executed in the control unit 540.

[Processing 1 from connection to disconnection of mobile phone terminal 5]
FIG. 8 is a sequence diagram for explaining processing from connection to disconnection of the mobile phone terminal 5 in the telephone system of the first embodiment. As described above, in the telephone system according to the first embodiment, the external terminal (USB terminal) 411 of the dock device 4 and the external terminal 531 of the mobile phone terminal 5 are connected by wire with the USB cable 8.

  Then, the control unit 540 of the mobile phone terminal 5 can detect that the own device is connected to the dock device 4 by communicating with the dock device 4 through the external terminal 411 and the external I / F 532 (steps). S1). Similarly, the control unit 430 of the dock device 4 can detect that the mobile phone terminal 5 is connected to its own device by communicating with the mobile phone terminal 5 through the external terminal 411 and the external I / F 412. (Step S2).

  In this case, the control unit 430 of the dock device 4 first requests the mobile phone terminal 5 connected to the own device to provide identification information (step S3). Here, the identification information is made up of card ID, telephone number, carrier, and balance information, which is SIM card information, and the MAC address (terminal information (terminal ID)) of the mobile phone terminal 5. The identification information provision request is transmitted to the mobile phone terminal 5 through the external I / F 412 and the external terminal 411.

  When receiving the identification information provision request, the control unit 540 of the mobile phone terminal 5 executes a process of providing the identification information of the own device to the dock device 4 (step S4). In step S4, the control unit 540 of the mobile phone terminal 4 reads the SIM card information from the SIM card information memory 510, for example, the MAC address from the ROM 542, and provides (transmits) these as identification information to the dock device 4. The identification information is transmitted to the dock device 4 through the control unit 540, the external I / F 532, and the external terminal 531.

  As described above, transmission and reception of various signals between the dock device 4 and the mobile phone terminal 5 are performed through the USB cable 8 that connects the external terminal 411 of the dock device 4 and the external terminal 531 of the mobile phone terminal 5.

  Then, the dock device 4 refers to the information in the connection terminal registration memory 421 based on the MAC address of the identification information from the mobile phone terminal 5, and whether or not the mobile phone terminal 5 is connectable to the own device. If it is connectable, each memory is updated (step S5). In this case, the control unit 430 of the dock device 4 updates information indicating that the mobile phone terminal 5 is “connected” in the connection status column of the information of the corresponding mobile phone terminal in the connection terminal registration memory 421. . Furthermore, in step S5, the control unit 430 of the dock device 4 registers (updates) the identification information from the mobile phone terminal 5 in the ID management memory 425 as described with reference to FIG.

  On the other hand, in the mobile phone terminal 5, the control unit 540 erases the identification information (SIM card information) stored in the SIM card information memory 510 and releases (disables) the identification information (step). S6). Thereby, the mobile phone terminal 5 is prevented from communicating through the mobile phone network. Note that the process of step S6 may be performed after receiving a registration completion notification of identification information from the dock device 4, for example.

  In step S5, it is assumed that the control unit 430 of the dock device 4 determines that the mobile phone terminal 5 connected to the own device cannot be connected to the own device. In this case, for example, the control unit 430 of the dock device 4 forms a message notifying that the connection is impossible, and transmits the message to the mobile phone terminal 5 so that the processing after step S5 is not performed. To do. As a result, a mobile phone terminal that is not previously permitted to connect to the dock device 4 is prevented from connecting to the telephone system through the dock device 4.

  Then, the terminal registration leaving process 422 of the dock device 4 functions, and sends information such as extension number, IP address, and port number, which is extension registration data (extension information) held in the EEPROM 434, to the SIP server 1, The extension information is registered (step S7). The extension registration data is transmitted to the LAN 2 through the LAN I / F 402 and the LAN connection terminal 401 and transmitted to the SIP server 1.

  When the SIP server 1 receives the extension registration data through the connection terminal 101 and the IP network I / F 102, the control unit 110 performs a process of registering in the address management memory 106 (step S8). When the registration processing is completed, the control unit 110 of the SIP server 1 forms a registration response (registration completion notification) addressed to the dock device 4 and sends it to the LAN 2 through the IP network I / F 102 and the connection terminal 101. It transmits to the apparatus 4 (step S9). Thereby, the dock device 4 can recognize that the extension registration data has been properly registered in the SIP server 1.

  As described above, transmission / reception of various signals between the SIP server 1 and the dock device 4 is performed through the LAN 2 that connects the connection terminal 101 of the SIP server 1 and the LAN connection terminal 401 of the dock device 4.

  Then, the extension information provision processing unit 423 of the dock device 4 functions, and converts the extension registration data (extension information) provided to the SIP server 1 into data in a format to be supplied to the mobile phone terminal 5, and uses this as its own device. It is also provided to the connected mobile phone terminal 5 (step S10). When receiving the extension registration data from the dock device 4, the control unit 540 of the mobile phone terminal 5 supplies the extension registration data to the extension information management unit 512. The extension information management unit 512 registers the provided extension registration data (extension information) in its own memory or in the EEPROM 544 (step S11).

  In step S11, the control unit 540 also controls the display controller 523 to display information indicating that the own device has become a telephone terminal under the control of the SIP server 1 on the display screen of the display 524. Is called. Specifically, instead of displaying the received electric field strength and the remaining battery level, for example, by displaying “extension number 2010”, “extension telephone”, etc., the mobile phone terminal 5 functions as an extension telephone of the telephone system. The user is notified that the status has been reached.

  Thus, by connecting the mobile phone terminal 5 to the dock device 4, the mobile phone terminal 5 is prevented from performing communication through the mobile phone network, and functions as a phone terminal under the control of the SIP server 1. (Step S12). Then, the mobile phone terminal 5 communicates with another communication terminal connected to the LAN 2 or another communication terminal connected to the IP network 6 or the telephone network 7 through the dock device 4 and the SIP server 1. Will be able to connect and make calls. In this case, the function as the mobile phone terminal is disabled by releasing the identification information, so that no telephone call is made to the own device through the mobile phone network. Therefore, the mobile phone terminal 5 connected to the telephone system can make a call through a communication network whose communication cost is lower than that of the mobile phone network.

  Thereafter, it is assumed that the mobile phone terminal 5 connected to the dock device 4 is taken out to the outside. That is, it is assumed that the USB cable 8 that connected the dock device 4 and the mobile phone terminal 5 is removed. In this case, since it becomes impossible for the mobile phone terminal 5 to transmit and receive data through the external terminal 531 and the external I / F 532, it is possible to detect separation from the dock device 4 (step S13).

  Then, the control unit 540 of the mobile phone terminal 5 cancels the state of functioning as its own extension telephone and returns to the state of functioning as the original mobile phone terminal (step S14). Specifically, the functions of the message processing unit 511, the extension information management unit 512, and the call voice conversion unit 513 are stopped so as to function as a mobile phone terminal. However, since the SIM card information, which is identification information, is deleted from the SIM card information memory 510 after being provided to the dock device 4, it becomes a mobile phone terminal without any identification information, and as it is, communication through the mobile phone network (Step S15).

  On the other hand, the control unit 430 of the dock device 4 also cannot transmit / receive data to / from the mobile phone terminal 5 through the external terminal 411 and the external I / F 412, so that the mobile phone terminal 5 connected to the own device can be disconnected. It can be detected (step S16). In this case, the terminal registration / removal processing unit 422 of the dock device 4 forms a withdrawal request from the SIP server 1 including extension registration data to the SIP server 1, and provides this to the SIP server 1 (step S17). .

  Then, the control unit 110 of the SIP server 1 that has received the withdrawal request executes a withdrawal process for deleting the corresponding extension registration data from its own address management memory 106 (step S18). Thereafter, the control unit 110 of the SIP server 1 forms a disconnection completion notification addressed to the dock device 4 and provides it to the dock device 4 (step S19).

  When receiving the disconnection completion notification from the SIP server 1, the control unit 430 of the dock device 4 displays a connection status column for information related to the mobile phone terminal 5 that has been connected to the latest device in the connection terminal registration memory 421. Update to information indicating unconnected (step S20). As a result, information for setting the mobile phone terminal 5 connected to the dock device 4 as a phone terminal under the SIP server 1 is deleted from the SIP server 1 and the dock device 4, and the mobile phone terminal 5 Is completely removed from the telephone system.

[Return processing of identification information from dock device 4 to mobile phone terminal 5]
By the way, as described with reference to FIG. 8, when the mobile phone terminal 5 connected to the dock device 4 is disconnected from the dock device 4, communication is performed through the mobile phone network if no identification information is returned. Can not return to the mobile phone terminal. Therefore, a process when the mobile phone terminal 5 that has not received the return of identification information receives the return of identification information from the dock device 4 will be described. FIG. 9 is a sequence diagram for explaining the recovery process of the identification information from the dock device 4 to the mobile phone terminal 5.

  In order to enable the mobile phone terminal 5 that has left the dock device 4 without receiving the identification information of its own device to communicate through the mobile phone network, the mobile phone terminal 5 is connected again. A wired connection is made through the USB cable 8 to the dock device 4 that has been used. Thereby, the process from step S1 to step S3 shown in FIG. 8 is performed in the same manner.

  Since the mobile phone terminal 5 reconnected to the dock device 4 does not have the identification information, the identification information cannot be provided to the dock device 4. In this case, the cellular phone terminal 5 accepts an operation input for making an identification information request (identification information conversion request) from the user (step S21).

  In step S21, the control unit 540 of the mobile phone terminal 5 that has received the identification information request operation forms a return request for identification information (SIM card information) including its own MAC address (terminal identification information). Is transmitted to the dock device 4 (step S22). The dock device 4 that has received the identification information return request refers to the information in the ID management memory 425 based on the MAC address included in the return request, and the identification information held in the ID management memory 425 is: A confirmation process is performed as to whether or not the information is provided from the mobile phone terminal 5 (step S23).

  In the confirmation process in step S23, it is assumed that the identification information held in the ID management memory 425 has been confirmed to be provided from the mobile phone terminal 5. In this case, the control unit 430 of the dock device 4 provides (returns) the identification information to the mobile phone terminal 5 connected to the own device, and performs a process of deleting the identification information from the ID management memory 425 ( Step S24). Note that the identification information from the ID management memory 425 may be deleted when confirmation is obtained, such as when an identification information reception response is received from the mobile phone terminal 5.

  When the mobile phone terminal 5 receives (returns) identification information from the dock device 4, the control unit 540 registers the identification information in the SIM card information memory 510 (step S25). Thereafter, when the USB connection between the dock device 4 and the mobile phone terminal 5 is released (separated), it is detected that the mobile phone terminal 5 is disconnected from the dock device 4 (step S26). Similarly, the dock device 4 also detects that the cellular phone terminal 5 has been disconnected (step S27).

  Then, the mobile phone terminal 5 stops the functions of the message processing unit 511, the extension information management unit 512, and the call voice conversion unit 513, and operates as a normal mobile phone terminal using the identification information in the SIM card information memory 510. Control is performed (step S28). As a result, the mobile phone terminal 5 returns to the normal mobile phone terminal, and can perform communication through the mobile phone network. Also, the dock device 4 transitions to a connection waiting state for the mobile phone terminal 5.

  As described above, the mobile phone terminal 5 that has left the dock device 4 without receiving the return of identification information is again connected to the dock device 4 through a wired connection and receives the return of identification information, thereby enabling the mobile phone network. It is possible to return to a normal mobile phone terminal capable of communication through the network.

  In the sequence diagram shown in FIG. 8, the processes in steps S21 to S25 shown in FIG. 9 can be performed before the steps S13 and S16. In this case, the mobile phone terminal 5 can leave the dock device 4 after receiving the return of its terminal identification information from the dock device 4. Therefore, the mobile phone terminal 5 can immediately return to the mobile phone terminal that can perform communication through the mobile phone network after leaving the dock device 4. In this case, instead of the state of step S15 shown in FIG. 8, the state becomes step S28 in FIG. 9, and the mobile phone terminal 5 can communicate via the mobile phone network immediately after leaving the dock device 4. It will be possible to return to the terminal.

[Processing 2 from connection to disconnection of the mobile phone terminal 5]
In the case of the processing described with reference to FIG. 8, the mobile phone terminal 5 can be detached from the dock device 4 without returning the identification information from the dock device 4 to the mobile phone terminal 5. For this reason, in order for the mobile phone terminal 5 to function as a normal mobile phone terminal after leaving the dock device 4, as described with reference to FIG. 9, identification information return processing is required. Accordingly, the identification information is managed only on the mobile phone terminal 5 side, so that it is not necessary to return the identification information from the dock device 4 to the mobile phone terminal 5, which will be described below with reference to FIG. It is processing.

  FIG. 10 shows a modification of processing from connection to disconnection of the mobile phone terminal 5 to the telephone system in the telephone system of the first embodiment (processing 2 from connection to disconnection of the mobile phone terminal 5 to the telephone system). Is a sequence diagram for explaining. As can be seen by comparing FIG. 8 and FIG. 10, the other processes are performed in the same manner except that the processes in steps S3A to S6A and the process in step S15A are different. For this reason, in the process shown in FIG. 10, the same reference numerals (step numbers) are assigned to the same parts as those shown in FIG.

  In the case of the process shown in FIG. 10, after the process of step S <b> 1 in the mobile phone terminal 5 and the process of step S <b> 2 in the dock device 4, the dock device 4 sends terminal information (terminal ID) to the mobile phone terminal 5. ) Is requested (step S3A). The terminal information is information that can uniquely identify the mobile phone terminal 5, and is the MAC address of the mobile phone terminal 5 in the first embodiment.

  When receiving the terminal information provision request from the dock device 4, the control unit 540 of the mobile phone terminal 5 reads the MAC address from the ROM 542 and provides it to the dock device 4 (step S4A). The control unit 430 of the dock device 4 refers to the connection terminal registration memory 421 based on the terminal information (MAC address) from the mobile phone terminal 5, and whether or not the mobile phone terminal 5 is connectable to the own device. Is determined. If the connection is possible, the connection terminal registration memory 421 is updated (step S5A). In the process of step S5A, the control unit 430 updates information indicating that the mobile phone terminal 5 is “connected” in the connection status column of the information of the corresponding mobile phone terminal in the connection terminal registration memory 421. Is.

  In the cellular phone terminal 5, the control unit 540 prohibits the use of identification information (SIM card information) stored in the SIM card information memory 510 (step S6A). The process in step S6A can be performed using various methods. For example, the control unit 540 prohibits the use of the identification information by moving the identification information in the SIM card information memory 510 to another memory such as the EEPROM 544 and deleting it from the SIM card information memory 510. Can do.

  Further, a use stop flag is provided in the identification information stored and held in the SIM card information memory 510, and this is turned on. Then, in the program executed in the control unit 540 of the mobile phone terminal 5, a program is created so that the identification information with the unusable flag turned on cannot be used. As a result, while the identification information unusable flag is on, the use of the identification information can be stopped (prohibited). Of course, in addition to this, it is possible to use various methods that prohibit the use and restart the use as necessary without deleting the identification information from the mobile phone terminal 5.

  Thereafter, in the dock device 4, the SIP server 1, and the mobile phone terminal 5, the processes in steps S <b> 7 to S <b> 12 are sequentially performed in FIG. 10. Thereby, the mobile phone terminal 5 is connected to the SIP server 1 through the dock device 4 and can function as a telephone terminal under the control of the SIP server 1.

  Then, it is assumed that the cellular phone terminal 5 connected to the dock device 4 is taken out to the outside. That is, it is assumed that the USB cable 8 that connected the dock device 4 and the mobile phone terminal 5 is removed. In this case, in the cellular phone terminal 5, as in the case described with reference to FIG. 8, the processing in step S <b> 13 and step S <b> 14 is performed, and finally the identification that has been stopped in step S <b> 6 </ b> A as described above. The usage information is resumed (step S15A).

  In the process of step S15A, as described above, when the use is prohibited by moving the identification information of the SIM card information memory 510 to another memory, the identification information is returned to the SIM card information memory 510. It becomes processing. In addition, when a use stop flag is provided in the identification information in the SIM card information memory 510 and the use of the identification information is stopped by turning it on, the use of the identification information is stopped. Processing to turn off the flag.

  In addition, the process of step S16, step S17, step S20 in the dock apparatus 4 and the process of step S18, step S19 in the SIP server 1 are performed similarly to the corresponding process shown in FIG.

  As described above, in the case of the processing described with reference to FIG. 10, the identification information, which is SIM card information, is managed only on the mobile phone terminal 5 side and not on the dock device 4 side. . As a result, even if the mobile phone terminal 5 that has become a telephone terminal under the SIP server 1 through the dock device 4 is disconnected from the dock device 4, communication via the mobile phone network can be performed independently of the dock device 4. Return to the original mobile phone terminal possible. That is, unlike the case of the processing described with reference to FIG. 8, the mobile phone terminal does not have the identification information.

[Effect of the first embodiment]
As described above, in the case of the telephone system according to the first embodiment, the mobile phone terminal 5 is connected to the dock device 4 by wire to connect the mobile phone terminal 5 to the phone terminal (under the SIP server 1). It can function as an extension telephone terminal. Since the mobile phone terminal 5 connected to the dock device 4 cannot use its own identification information (SIM card information), it can communicate with the dock device 4 through the mobile phone network. In such a manner that it can function only as a telephone terminal under the control of the SIP server 1.

  Therefore, a telephone system that can use the mobile phone terminal 5 as an extension telephone terminal under the SIP server 1 can be configured easily and appropriately. The SIP server 1 can also appropriately manage the mobile phone terminal 5. That is, it is possible to reliably manage which mobile phone terminal 5 is a phone terminal under the control of the SIP server 1. Therefore, there is no inconvenience such as managing the mobile phone terminal 5 that has left the subordinate of the SIP server 1 as a phone terminal under its own control.

[Second Embodiment]
[Outline of Telephone System of Second Embodiment]
FIG. 11 is a diagram for explaining the outline of the telephone system according to the second embodiment. In FIG. 11, parts that are configured in the same manner as the telephone system of the first embodiment described above with reference to FIG. 1 are given the same reference numerals, and detailed descriptions thereof are omitted because they are duplicated. As shown in FIG. 11, in the telephone system according to the second embodiment, the mobile phone terminals 5A (1), 5A are respectively connected to the dock devices 4A (1), 4A (2),. (2) is different from the telephone system of the first embodiment described above in that the wireless connection is correspondingly performed.

  As shown in FIG. 11, each of the dock devices 4A (1), 4A (2),... Has terminal registration data set in advance as in the case of the dock device 4 of the first embodiment described above. It is what. In the telephone system of the second embodiment, the mobile phone terminals 5A (1), 5A (2),... Are connected to the SIP server 1 through the dock devices 4A (1), 4A (2),. It can function as a subordinate phone terminal.

  In the second embodiment, each of the dock devices 4A (1), 4A (2),... Is basically configured similarly. For this reason, the dock devices 4A (1), 4A (2),... Connected to the LAN 2 are collectively referred to as a dock device 4A, unless otherwise specifically shown below. Also, each of the mobile phone terminals 5A (1), 5A (2),... Has the same basic configuration. For this reason, unless otherwise indicated, the mobile phone terminals 5A (1), 5A (2),... Are collectively referred to as the mobile phone terminal 5A.

  In the second embodiment, each of the dock devices 4A (1), 4A (2),... And the corresponding mobile phone terminals 5A (1), 5A (2),. .11a, 802.11b / g standard, or a successor standard wireless LAN. Hereinafter, the dock device 4A and the mobile phone terminal 5A, which are different from the telephone system of the first embodiment, will be described in detail.

[Configuration Example of Dock Device 4A]
First, the configuration of the dock device 4A used in the telephone system of the second embodiment will be described. FIG. 12 is a block diagram for explaining a configuration example of the dock device 4A of the telephone system according to the second embodiment. In FIG. 12, parts that are configured in the same manner as the dock device 4 of the first embodiment described with reference to FIG. 4 are given the same reference numerals, and descriptions thereof are omitted because they are duplicated.

  As can be seen from a comparison between FIG. 12 and FIG. 4, the dock device 4A of the second embodiment includes a wireless LAN transmission / reception antenna 451 and a wireless LAN interface (hereinafter abbreviated as wireless LAN I / F). 452). This point is greatly different from the dock device 4 of the first embodiment.

  The transmission / reception antenna 451 constitutes a connection end to the wireless LAN. The wireless LAN I / F 452 converts data received through the transmission / reception antenna 451 into data in a format that can be processed by the own device, and supplies the data to the control unit 430. In addition, the wireless LAN I / F 452 converts data to be transmitted through the wireless LAN supplied through the control unit 430 into data in a format to be transmitted to the wireless LAN, and transmits the data to the wireless LAN through the transmission / reception antenna 451. Send to the other party. The transmission / reception antenna 451 and the wireless LAN I / F 452 enable wireless connection with a cellular phone terminal 5A described later.

  The dock device 4A according to the second embodiment relays various data transmitted and received between the SIP server 1 connected through the wired LAN 2 and the mobile phone terminal 5A connected through the wireless LAN. In this case, both the SIP server 1 and the dock device 4A and between the dock device 4A and the mobile phone terminal 5A are connected by a LAN, and packetized data is transmitted and received. For this reason, in the case of the dock device 4A of the second embodiment, it is not necessary to perform packet disassembly or packet generation to form data to be transmitted to the other party. The transmission / reception signal processing unit 424 provided in the dock device 4 is not provided.

  In the case of the dock device 4A according to the second embodiment, the mobile phone terminal 5A that includes the charging terminal 441, the connection detection unit 442, the charging current supply unit 443, and the AC outlet 444 is connected to the charging terminal. It also has a function to charge the battery. In this configuration, since data transmission / reception between the dock device 4A and a cellular phone terminal 5A described later is performed through a wireless LAN, the charging device 4A can be configured to perform only charging separately from the data transmission / reception.

[Configuration example of mobile phone terminal 5A]
Next, the configuration of the cellular phone terminal 5A used in the telephone system according to the second embodiment will be described. FIG. 13 is a block diagram for explaining a configuration example of the cellular phone terminal 5A of the telephone system according to the second embodiment. In FIG. 13, the same reference numerals are given to the parts configured in the same way as the mobile phone terminal 5 of the first embodiment described with reference to FIG.

  As can be seen from a comparison between FIG. 13 and FIG. 7, the mobile phone terminal 5 </ b> A of the second embodiment includes a wireless LAN transmission / reception antenna 561 and a wireless LAN communication unit 562. This point is greatly different from the mobile phone terminal 5 of the first embodiment.

  The transmission / reception antenna 561 forms a connection end to the wireless LAN. The wireless LAN communication unit 562 converts the data received through the transmission / reception antenna 561 into data in a format that can be processed by the own device, and supplies the data to the control unit 540. Further, the wireless LAN communication unit 562 converts data to be transmitted through the wireless LAN supplied through the control unit 540 into data in a format to be transmitted to the wireless LAN, and transmits this to the wireless LAN through the transmission / reception antenna 561. To the other party. The transmission / reception antenna 561 and the wireless LAN communication unit 562 enable wireless connection with the dock device 4A described above.

  In the cellular phone terminal 5A of the second embodiment, when it is wirelessly connected to the dock device 4A through the transmission / reception antenna 561 and the wireless LAN communication unit 562, the cellular phone network will be described in detail later. The communication function through is stopped. As a telephone terminal under the SIP server 1, a call can be made through the transmission / reception antenna 561 and the wireless LAN communication unit 562.

  In this case, the data received through the transmission / reception antenna 561 and the wireless LAN communication unit 562 is supplied to the transmission / reception signal processing unit 503 through the control unit 540, where the control signal (control message) and the call signal are decoded. Then, the decoded control signal is supplied to the control unit 540 and used for controlling the own device, and the decoded call signal is supplied to the call voice processing unit 504 through the control unit 540, and the receiver 506 through the reception amplifier 505. The sound is supplied to and released.

  The user's voice collected by the transmitter 507 is supplied to the call voice processing unit 504 through the transmission amplifier 508, and converts the analog voice signal into a digital voice signal. The digital audio signal converted here is supplied to the transmission / reception signal processing unit 503 through the control unit 540, where it is converted into a transmission signal (packet data). This transmission signal is supplied to the wireless LAN communication unit 562 through the control unit 540, converted into a signal to be transmitted to the wireless LAN, transmitted to the wireless LAN through the transmission / reception antenna 561, and transmitted to the dock device 4A. .

  Note that various control signals and the like transmitted from the cellular phone terminal 5A of the second embodiment to the dock device 4A are also in the order of the control unit 540 → transmission / reception signal processing unit 503 → control unit 540 → wireless LAN communication unit 562. Processed and transmitted to the dock device 4A.

  As described above, in the cellular phone terminal 5A according to the second embodiment, the control unit 540, the transmission / reception signal processing unit 503, the telephone call, and the signals transmitted and received through the wireless LAN transmission / reception antenna 561 and the wireless LAN communication unit 562 Processing can be performed through the voice processing unit 504. For this reason, the message processing unit 511 and the call voice conversion unit 513 provided in the mobile phone terminal 5 of the first embodiment are not provided.

  In the case of the mobile phone terminal 5A of the second embodiment, the mobile phone terminal 5A includes a charging terminal 551, a connection detection unit 552, a charging circuit 553, and a battery 554, and a charging current is supplied from the dock device 4A through the charging terminal 551. In response, the battery 554 is also charged. As in the case of the dock device 4A, data transmission / reception between the mobile phone terminal 5A and the dock device 4A is performed through the wireless LAN, so that only charging can be performed separately from the data transmission / reception. It is a thing.

[Processing 1 from connection to disconnection of cellular phone terminal 5A to the telephone system 1]
FIG. 14 is a sequence diagram for explaining processing from connection to disconnection of the mobile phone terminal 5A in the telephone system of the second embodiment. In FIG. 14, the same reference numerals (step numbers) are assigned to the processes performed in the same way as the process 1 from the connection to the disconnection of the cellular phone terminal 5 of the first embodiment shown in FIG. The description of that part is redundant and will be omitted.

  14 and FIG. 8, the processing from step S31 to step S34 in FIG. 14 and the processing in step S41 and step S42 are the processing in the telephone system of the first embodiment. Is different. This is because in the case of the telephone system of the second embodiment, the dock device 4A and the mobile phone terminal 5A are wirelessly connected.

  That is, in step S31 and step S32, the mobile phone terminal 5A and the dock device 4A perform wireless connection by performing wireless connection processing (predetermined wireless LAN connection sequence). Specifically, the mobile phone terminal 5A searches for a beacon signal periodically transmitted from the dock device 4A, and if it can be detected, the mobile phone terminal 5A requests the dock device 4A to permit connection. To do.

  If the mobile phone terminal 5A is connectable, the dock device 4A transmits a response indicating permission for wireless connection to the mobile phone terminal 5A (step S33). As a result, the cellular phone terminal 5A is wirelessly connected to the dock device 4A, and becomes a device that is substantially within the range of the telephone system of the second embodiment (step S34). Thereafter, as described with reference to FIG. 8, the cellular phone terminal 5A is made a telephone terminal under the SIP server 1 through the dock device 4A by the processing in steps S3 to S12.

  Thereafter, it is assumed that the mobile phone terminal 5A is taken out. In this case, the cellular phone terminal 5A cannot communicate with the dock device 4A through the wireless LAN. The cellular phone terminal 5A can detect that the mobile phone terminal 5A has left the dock device 4A by being unable to receive a beacon signal or the like from the dock device 4A (step S41). In this case, in step S41, the mobile phone terminal 5A releases the extension telephone state and hooks it as the original mobile phone terminal.

  That is, in step S41, the control unit 540 of the mobile phone terminal 5A controls the wireless LAN communication unit 562 so as to return to the search process of the beacon signal of the dock device 4A and performs communication through the telephone communication unit 502. Make it possible. In this case, as described with reference to FIG. 8, the mobile phone terminal 5 </ b> A is not erased after providing its own identification information to the dock device 4 </ b> A and has not received the return information, so there is no identification information. It becomes the state of. That is, the cellular phone terminal 5 has left the subordinate of the SIP server 1, but cannot communicate through the cellular phone network as a cellular phone terminal.

  On the other hand, since the dock device 4A is also in a state in which wireless communication with the mobile phone terminal 5A that is wirelessly connected cannot be performed, the mobile phone terminal 5A is detected as having been detached when the state continues for a certain period of time. The process of leaving the subordinate of the 5A SIP server 1 is started (step S42).

  As described above, the process shown in FIG. 14 is the same as the process of the telephone system according to the first embodiment shown in FIG. 8 except that the dock device 4A and the mobile phone terminal 5A are wirelessly connected. Will be done.

[Return processing of identification information from dock device 4A to mobile phone terminal 5A]
In the telephone system of the second embodiment, the mobile phone terminal 5A performs the return processing of the identification information shown in FIG. 15 in order to return to the mobile phone terminal that can communicate through the mobile phone network. To do. FIG. 15 is a sequence diagram for explaining the process of returning the identification information from the dock device 4A to the mobile phone terminal 5A in the telephone system of the second embodiment.

  In FIG. 15, the process of step S31-step S34 is performed similarly to the process of step S31-step S34 demonstrated using FIG. That is, the mobile phone terminal 5A is again positioned in an area where the dock device 4A can be wirelessly connected, and the dock device 4A and the mobile phone terminal 5A are wirelessly connected. Thereafter, the process of steps S21 to S25 described with reference to FIG. 9 is executed, so that the identification information provided to the dock device 4A is received from the mobile phone terminal 5A.

  Thereafter, the processing of step S41 and step S42 described with reference to FIG. 14 is executed. That is, the wireless connection is canceled by taking the mobile phone terminal 5A out of the range of the dock device 4A. Thereafter, the cellular phone terminal 5A can communicate through the cellular phone network by controlling the wireless LAN communication unit 562 to perform a search process of the beacon signal and performing communication through the phone communication unit 502. Return to the mobile phone terminal (step S43).

  As described above, also in the telephone system of the second embodiment, the mobile phone terminal 5 is returned to the mobile phone by performing the return processing of the identification information from the dock device 4A to the mobile phone terminal 5A shown in FIG. It is possible to return to a mobile phone terminal that can communicate through the network.

  In the telephone system of the second embodiment as well, in the sequence diagram shown in FIG. 14, the processes of steps S21 to S25 shown in FIG. 15 are performed before steps S41 and S42. You can also In this case, the mobile phone terminal 5A can leave the drag operation 4A after receiving the return of its terminal identification information from the dock device 4A. Therefore, the mobile phone terminal 5A can return to the mobile phone terminal capable of performing communication through the mobile phone network immediately after leaving the dock device 4A. In this case, instead of the state of step S15 shown in FIG. 14, the state becomes step S43 in FIG. 15, so that the mobile phone terminal 5A can return to the normal mobile phone terminal immediately after leaving the dock device 4. To be.

[Process 2 from connection to disconnection of cellular phone terminal 5A]
Also in the case of the telephone system of the second embodiment, as in the case of the telephone system of the first embodiment, the identification information is managed on the mobile phone terminal 5A side until it gets tired. Return of identification information from the device 4A to the mobile phone terminal 5 can be made unnecessary. FIG. 16 shows a process from connection to disconnection of the mobile phone terminal 5A to the mobile phone terminal 5A that does not require return of identification information from the dock device 4A to the mobile phone terminal 5 in the telephone system of the second embodiment. FIG.

  In the sequence diagram shown in FIG. 16, the processes from step S31 to step S34 are performed in the same manner as the processes from step S31 to step S34 described with reference to FIG. That is, the cellular phone terminal 5A and the dock device 4A perform wireless communication with each other to establish a wireless connection. The processing from step S3A to step S6A performed thereafter is performed in the same manner as the processing from step S3A to step S6A described with reference to FIG. That is, only the terminal information (the MAC address of the mobile phone terminal 5A) is provided from the mobile phone terminal 5A to the dock device 4A without providing identification information, and the dock device 4A is wirelessly connected to its own device. The mobile phone terminal 5A can be recognized and managed.

  The process from step S7 to step S12 shown in FIG. 16 is the same process as the process from step S7 to step S12 shown in FIG. 8, FIG. 9, and FIG. That is, when the dock device 4A provides and registers extension registration data (extension information) to the SIP server 1 and the mobile phone terminal 5A, the mobile phone terminal 5A can function as a phone terminal terminal under the SIP server 1. Like that.

  In this way, the cellular phone terminal 5A of the second embodiment registers the own device as a telephone terminal under the SIP server 1 through the dock device 4A while holding the identification information in the own device. To be. The mobile phone terminal 5A can function as a phone terminal under the control of the SIP server 1 through the dock device 4A.

  Thereafter, it is assumed that the cellular phone terminal 5A is taken out and detached from the telephone system. In this case, the processes in steps S41 and S42 are performed in the same manner as the processes in steps S41 and S42 described with reference to FIG. That is, in the mobile phone terminal 5A, when it is detected that the mobile phone terminal 5A has left the wirelessly connected dock device 4A, the extension telephone state of the own device is released. In addition, when the dock device 4 </ b> A detects that the mobile phone terminal 5 </ b> A connected wirelessly is detected, the dock device 4 </ b> A starts a process of causing the mobile phone terminal 5 </ b> A to leave the SIP server 1.

  Then, in the mobile phone terminal 5A, the process of step S15A is executed after the process of step S41. The process of step S15A is the same as the process of step S15A shown in FIG. 10, and the use of the identification information that has been stopped (prohibited) on the own device is resumed, and the mobile phone network is used. To be able to communicate. That is, the mobile phone terminal 5A returns to a normal mobile phone terminal that performs communication through the mobile phone network.

  In FIG. 16, the processing from step S18 to step S20 is the same processing as the processing from step S18 to step S20 shown in FIG. 8, FIG. 10, and FIG. A process of detaching the cellular phone terminal 5A is performed.

  Thus, also in the case of the telephone system of the second embodiment, identification information is held and managed on the mobile phone terminal 5A side. Then, immediately after the mobile phone terminal 5A leaves the wirelessly connected dock device 4A, the mobile phone terminal 5A can return to a normal mobile phone terminal that can communicate independently through the mobile phone network. Is done.

[Effect of the second embodiment]
As described above, in the case of the telephone system according to the second embodiment, the mobile phone terminal 5A is wirelessly connected to the dock device 4A so that the mobile phone terminal 5A is connected to the telephone terminal (subordinate to the SIP server 1). It can function as an extension telephone terminal. And the effect similar to the effect in the case of the telephone system of 1st Embodiment mentioned above can be show | played.

[Third Embodiment]
FIG. 17 is a diagram for explaining the outline of the telephone system according to the third embodiment. In FIG. 17, parts that are configured in the same manner as the telephone systems of the first and second embodiments described above with reference to FIGS. 1 and 11 are given the same reference numerals, and detailed descriptions thereof are as follows. Since it overlaps, it abbreviate | omits.

  As shown in FIG. 17, the telephone system according to the third embodiment is configured by using a dock device 4 and a mobile phone terminal 5 that are connected in a wired manner, as in the case of the first embodiment. can do. The telephone system of the third embodiment can also be configured using the dock device 4A and the mobile phone terminal 5A that are wirelessly connected, as in the case of the second embodiment. Furthermore, the telephone system of the third embodiment can be configured by mixing the dock device 4 and the mobile phone terminal 5 that are connected by wire, and the dock device 4A and the mobile phone terminal 5A that are connected wirelessly. is there.

  As shown in FIG. 17, terminal registration data is set in advance in the dock apparatuses 4 and 4A, as in the case of the dock apparatuses 4 and 4A in the first and second embodiments described above. In the telephone system of the third embodiment, the mobile phone terminals 5 and 5A can function as telephone terminals under the SIP server 1 through the dock devices 4 and 4A.

  Further, in the case of the telephone system according to the third embodiment, a management server 9 connected to the LAN 2 is newly provided, and the management server 9 centrally manages a plurality of pieces of identification information (SIM card information). I am doing so. That is, in the above-described first and second embodiments, the identification information that is managed in the ID management memory 425 of the dock device 4 or 4A to which the mobile phone terminals 5 or 5A are connected is stored in the management server. 9 to manage. In this case, the management server 9 manages the identification information of all the cellular phone terminals 5 and 5A that are subordinate to the SIP server 1 through the dock devices 4 and 4A, and the cellular phone terminals 5 and 5A identify the identification information. Can also be exchanged.

  In other words, in each mobile phone company (operator providing mobile phone service) and mobile phone terminal manufacturers, the so-called SIM lock on the mobile phone terminal side is released, and various SIM cards can be used in one mobile phone terminal. Making it possible is being considered. Under such a background, in the telephone system according to the third embodiment, when the mobile phone terminals 5 and 5A connected to the dock devices 4 and 4A are detached from the dock devices 4 and 4A, the purpose is as follows. It is possible to receive information for identification of mobile phone companies.

  In this way, for example, when going to a region on a business trip or the like, information for identifying a mobile phone company with a more established mobile phone network in the region is used, and the mobile phone terminal is better at a business trip destination. It is possible to enable communication through the network. In addition, by using the identification information of the mobile phone company used by the other party that often communicates through the mobile phone terminal, it is possible to receive a service that reduces the communication cost. To be able to.

  In the following, for the sake of simplicity, the telephone system is configured using the dock device 4 and the mobile phone terminal 5 that are connected in a wired manner, as in the case of the telephone system of the first embodiment. Will be described as an example. Therefore, the telephone system according to the third embodiment will be described with reference to the block diagrams of the respective devices shown in FIGS. 4 and 7 as necessary.

[Configuration Example of Management Server 9]
The configuration of the management server 9 used in the telephone system according to the third embodiment will be described. FIG. 18 is a block diagram illustrating a configuration example of the management server 9 according to the third embodiment. The management server 9 in this example is configured by mounting a microcomputer, and a CPU 901, ROM 902, RAM 903, LAN interface (hereinafter abbreviated as LAN I / F) 905 with respect to the system bus 900, LAN connection terminal 906, LAN transmission / reception unit 907, card interface (hereinafter abbreviated as card I / F) 908 _{1 to} 908 _n , card management table memory 909, terminal management table memory 910, display information generation unit 911, Each of which is connected.

  The CPU 901 executes various processes executed by the management server 9 as described below as software processes by using the RAM 903 as a work area in accordance with a program stored in the ROM 902. That is, the CPU 901, ROM 902, and RAM 903 constitute a microcomputer and function as a control unit of the management server 9.

  Under the control of the CPU 901, the LAN transceiver 907 decodes and analyzes data received through the LAN I / F 905, sends the data to the system bus 900, and generates transmission data to be sent to the LAN 2 for the LAN. The data is passed to the I / F 905. The transmission data includes management server identification information.

Each card interface ₉₀₈ 1 _{~908 n,} is connected to the n-number of the SIM card connector card loading is provided on the SIM card loading portion capable ₉₁₂ 1 _{~912 n} of the management server 9. When the SIM card is loaded in the SIM card loading section of the management server 9, the contact terminals of the SIM card and the contact terminals of the card connectors 912 _{1 to} 912 _n are electrically connected, and the card interfaces 908 _{1 to} 908 _n Through each, the SIM card information can be read from the SIM card.

  The card management table memory 909 stores information of a card management table in which management information about all SIM cards loaded in the SIM card loading unit of the management server 9 is recorded. An example of management information recorded in the card management table is shown in FIG.

  That is, in the example of FIG. 19, each of the SIM card identification information (card ID), usage status, terminal used, telephone number, carrier (mobile phone carrier), and remaining amount is recorded in the card management table. The

  As usage status information, the SIM card information of the SIM card is passed to the mobile phone terminal 5 and is “in use” or “unused”, or the SIM card information is passed to the mobile phone terminal 5. Whether it is in a “waiting use” state is recorded.

  As the information on the used terminal, the SIM card information of the SIM card is used or identification information of the mobile phone terminal 5 that is in a standby state, in this example, the MAC address of the mobile phone terminal (in FIG. 19, MAC-A or Recorded as MAC-B). The identification information of the mobile phone terminal 5 is hereinafter referred to as a terminal ID.

  As the telephone number, carrier, and remaining amount information, information related to the subscriber telephone number, mobile phone carrier, and communication charge settlement included in the SIM card information is recorded. When the remaining amount is recorded as “card”, it means that the communication fee is settled by credit card. Further, when the remaining amount is recorded as a numerical value such as “2300”, it means that the communication fee is settled by prepaid and the remaining amount (2300 yen) remains as the remaining amount.

  In the terminal management table memory 910, information of a terminal management table in which management information including terminal information (MAC address and manufacturing number) of the mobile phone terminal 5 registered in the management server 9 and information related to other mobile phone terminals is recorded. It is remembered. When the mobile phone terminal 5 is connected to the dock device 4 with the USB cable 8 (hereinafter referred to as USB connection), the terminal information is sent from the mobile phone terminal 5 to the management server 9. Registered in An example of management information recorded in the terminal management table is shown in FIG.

  That is, in the example of FIG. 20, the terminal management table includes the MAC address (terminal ID) of the mobile phone terminal 5, the manufacturing number, the model code, the usable SIM card, and the identification information of the dock device 4 (hereinafter referred to as “the identification number”). , Called dock ID) is recorded as management information.

  The model code and usable SIM card information are acquired from the Web page by the management server 9 through the SIP server 1 and the IP network 6, for example. That is, in this embodiment, the mobile phone terminal manufacturer, on the Web page, corresponds to the serial number and MAC address of the mobile phone terminal manufactured by the company, its model code, and information on usable SIM cards, Shall be posted. Although not shown, the management server 9 stores a URL (Uniform Resource Locator) of the Web page of each manufacturing company.

  Then, the management server 9 determines the manufacturer of the mobile phone terminal from the company code included in the received MAC address of the mobile phone terminal 5. Then, the management server 9 reads the URL of the determined manufacturer's Web page and accesses the Web page through the SIP server 1 and the IP network 6. Furthermore, the management server 9 sends the MAC address and serial number of the mobile phone terminal 5 to the Web page as a searcher, and as a search result, from the Web page, the model code of the mobile phone terminal and the usable SIM card And get information. Then, the acquired model code of the mobile phone terminal 5 and information on the usable SIM card are registered in the terminal management table.

  The dock ID is provided from the dock device 4 and recorded in the terminal management table when the mobile phone terminal 5 is connected to the dock device 4 through the USB cable 8. Then, when the USB connection between the mobile phone terminal 5 and the dock device 4 is released, the management server 9 deletes the record of the dock ID in response to the notification from the dock device 4.

  The display information generation unit 911 generates display information (see FIG. 19) of the card management table stored in the card management table memory 909 every time the management information of the card management table is updated. The management server 9 is capable of transmitting the generated card management table display information to all the mobile phone terminals 5 connected to the dock device 4 through the USB cable 8.

  The LAN transmission / reception unit 907 and the display information generation unit 911 can also be configured as software processing by the CPU 901.

[Telephone system processing according to the third embodiment]
Next, processing from connection to disconnection of the cellular phone terminal 5 performed in the telephone system of the third embodiment will be described. The sequence diagrams shown in FIGS. 21 to 23 are sequence diagrams for explaining processing from connection to disconnection of the mobile phone terminal 5 to the telephone system performed in the telephone system of the third embodiment. In the sequence diagrams shown in FIGS. 21 to 23, the same reference numerals (step numbers) are assigned to processes performed in the same manner as in the sequence diagram shown in FIG. Is omitted.

  First, in FIG. 21, the processes from step S1 to step S4 are the same processes as the processes of step S1 to step S4 described with reference to FIG. That is, the mobile phone terminal 5 is USB-connected to the dock device 4, and the connection is detected in each of the mobile phone terminal 5 and the dock device 4 (steps S1 and S2). In response to a request from the dock device 4 (step S3), the identification information (SIM card information) stored in the SIM card information memory 510 by the mobile phone terminal 5 and the MAC address stored in the ROM 542 Is provided to the dock device 4 (step S4).

  Then, the dock device 4 determines whether or not the mobile phone terminal 5 can be connected to its own device based on the MAC address from the mobile phone terminal 5 by the process of step S5B. When it is determined that the connection is possible, the dock device 4 updates the information indicating the connection state of the information related to the corresponding mobile phone terminal in the connection terminal registration memory 421 to the information indicating “connected” (step). S5B). If it is determined in step S5B that connection is not possible, the mobile phone terminal 5 is notified to that effect, and the processing after step S5B is not performed.

  On the other hand, in the cellular phone terminal 5, the identification information (SIM card information) stored in the SIM card information memory 510 is erased by the process of step S6, so that the identification information cannot be used ( Step S6).

  In the telephone system according to the third embodiment, identification information (SIM card information) of the mobile phone terminal 5 connected to the dock device 4 is collectively managed by the management server 9. For this reason, the dock device 4 forms a registration request addressed to the management server 9 including the identification information, the MAC address, and the dock ID of the own device from the mobile phone terminal 5 connected by USB to the own device. 9 (step S51). The dock device 4 transmits the formed registration request to the LAN 2 through the LAN I / F 402 and the LAN connection terminal 401 and transmits it to the management server 9.

  The management server 9 receives the registration request for identification information from the mobile phone terminal 5 transmitted via the dock device 4 through the LAN connection terminal 906 and the LAN I / F 905. Then, the CPU 901 of the management server 9 updates the card management table in the card management table memory 909 based on the identification information included in the registration request (step S52). In step S52, since the identification information is returned to the management server 9 through the dock device 4, the usage status column of the corresponding card management table information in the card management table memory 909 is changed from “in use”, for example. Updated to information indicating “unused”. In the management server 9, the dock ID of the corresponding terminal management table information in the terminal management table memory 910 is also updated. As a result, the management server 9 can grasp which identification information (SIM card information) can be used and which mobile phone terminal 5 is connected to the telephone system through which dock device 4. To be.

  Thereafter, the processing from step S7 to step S12 is performed in the same manner as the processing from step S7 to step S12 shown in FIG. 8, and the mobile phone terminal 5 is connected to the telephone terminal under the SIP server 1 through the dock device 4. To be. That is, the dock device 4 registers the extension information held by the dock device 4 in the SIP server 1 and the mobile phone terminal 5 connected to the own device (steps S7 to S11), and the mobile phone terminal 5 is registered. The telephone terminal is under the control of the SIP server 1 (step S12). Accordingly, the mobile phone terminal 5 connected to the dock device 4 can perform telephone communication through the SIP server 1 and the dock device 4.

  Then, it is assumed that the user of the mobile phone terminal 5 that is USB-connected to the dock device 4 needs to take out the mobile phone terminal 5 in order to go out. In this case, as shown in the upper right end portion of FIG. 22, the user performs a requesting operation (an operation for requesting provision) of identification information through the operation input unit 521 of the mobile phone terminal 5 (step S53). Upon receiving the request operation, the control unit 540 of the mobile phone terminal 5 forms an identification information request and transmits it to the dock device 4 through the USB cable 8 (step S54). The dock device 4 sends the identification information request from the mobile phone terminal 5 to the LAN 2 and transfers it to the management server 9.

  When the management server 9 receives the identification information request, as described above, the display information generation unit 911 functions to form display information for the card management table, which is sent to the request source via the dock device 4. To the mobile phone terminal 5 (step S55). In the mobile phone terminal 5, when receiving the card management table display information from the management server 9, the control unit 540 and the display controller 523 function and display the display information on the display 524 (step S 56).

  The user confirms the display information of the card management table displayed on the display 524, and inputs the selection operation of the identification information provided to the own device through the operation input unit 521 of the mobile phone terminal 5 (step S57). Upon receiving the selection operation, the control unit 540 of the mobile phone terminal 5 forms selection information for identification information and transmits it to the dock device 4 through the USB cable 8 (step S58). Based on the selection information from the mobile phone terminal 5, the dock device 4 forms a request for permission to use the target identification information, sends it to the LAN 2, and sends it to the management server 9 (step S59). .

  When the CPU 901 of the management server 9 receives the identification information use permission request from the dock device 4, the CPU 901 checks the information in the card management table memory 909 and the terminal management table memory 910, and the identification information for which the use permission is requested is obtained. It is determined whether or not the license can be used. Then, if the identification information for which use permission is requested can be used, the identification information for which use permission is requested is transmitted to the requesting mobile phone terminal 5 through the LAN 2 (step S60). ). As a result, the identification information is transmitted (provided) to the requesting mobile phone terminal 5 through the dock device 4.

  If the identification information requested from the mobile phone terminal 5 cannot be provided, such as information that cannot be used in the requesting mobile phone terminal 5, the requested identification information Processing to notify that it is impossible to provide. Specifically, a process for forming a message notifying that the requested identification information cannot be provided and transmitting the message to the requesting mobile phone terminal 5 and prompting the user to select another identification information is performed. Will do.

  Thereafter, in the case of the telephone system of the third embodiment, the process proceeds to the process shown in FIG. 23, and the mobile phone terminal 5 that is the transmission source of the selection information uses the identification information provided from the management server 9 as the SIM card. The information is written in the information memory 510 (step S61). Then, the control unit 540 of the mobile phone terminal 5 forms a write completion notification and transmits it to the management server 9 through the external I / F 532, the external terminal 531 and the USB cable 8 (step S62). As a result, the completion notification is sent to the LAN 2 through the dock device 4 as described above, and transmitted to the management server 9.

  The management server 9 that has received the write completion notification sets the usage status column of the corresponding data in the card management table memory 909 for the identification information provided to the mobile phone terminal 5 in step S60 based on the write completion notification. It is updated from “in use” to “in use” (step S63).

  Then, the user of the mobile phone terminal 5 disconnects (releases) the USB connection between the mobile phone terminal 5 and the dock device 4 (step S64). As a result, the control unit 540 of the mobile phone terminal 5 becomes unable to communicate with the dock device 4 through the external terminal 531 and the external I / F 532, and can detect that the own device has been disconnected from the dock device 4. Then, the control unit 540 of the mobile phone terminal 5 normally cancels the extension telephone state and can perform communication through the mobile phone network using the identification information written in the SIM card information memory 510 in step S61. Return to the mobile phone terminal (step S65).

  Similarly, since the control unit 430 of the dock device 4 cannot communicate with the mobile phone terminal 5 through the external terminal 411 and the external I / F 412, the mobile phone terminal 5 is disconnected (disconnected) from its own device. This can be detected (step S66). In this case, the terminal registration / removal processing unit 422 of the dock device 4 forms a withdrawal notification of the mobile phone terminal 5 including the extension registration data and the dock ID held by the own device under the control of the control unit 430, This is provided to the server 1 and the management server 9 (step S67).

  Thereby, in the SIP server 1, the corresponding extension registration data is deleted from the address management DB 106, and the mobile phone terminal 5 connected to the dock device 4 is removed from the subordinate of the own device (step S68). Then, the SIP server 1 transmits a disconnection completion notification to the dock device 4 (step S69).

  On the other hand, the management server 9 deletes the dock ID column of the corresponding data in the terminal management table memory 910 based on the dock ID from the dock device 4 (step S70). Thereby, the management server 9 manages that the mobile phone terminal that has been managed to be connected to the dock device 4 specified by the dock ID has been detached from the dock device 4. To be done. Then, an update completion notification of the terminal management table memory 910 is formed and provided to the dock device 4 (step S71).

  Thereby, in the SIP server 1 and the management device 9, it is grasped that the mobile phone terminal 5 connected to the dock device 4 is disconnected from the dock device 4 and detached from the telephone system. The dock device 4 waits for connection of the mobile phone terminal 5.

  In the third embodiment, the case where the dock device 4 and the mobile phone terminal 5 are connected by wire is described as an example. However, the present invention is not limited to this. Even when the dock device 4A and the mobile phone terminal 5A are wirelessly connected, the same processing can be performed.

[Effect of the third embodiment]
Thus, in the case of the telephone system of the third embodiment, the management server 9 manages a plurality of pieces of identification information (SIM card information) that can be used by the mobile phone terminal 5 that can be connected to the dock device 4. To be able to. When the mobile phone terminal 5 is connected to the dock device 4, the mobile phone terminal 5 can function only as a phone terminal under the SIP server 1 through the dock device 4.

  And when the said mobile telephone terminal 5 detaches | leaves from the dock apparatus 4, provision of the identification information which the user of the said mobile telephone terminal 5 selected from the some information for identification managed by the management server 9 is provided. In response, the mobile phone terminal can return to a mobile phone terminal capable of communication through the mobile phone network. Therefore, according to the place of use, the communication partner, etc., it is possible to receive provision of appropriate identification information (SIM card information) and use it.

  Needless to say, the same effect as that of the first and second telephone systems described above can be obtained in the telephone system of the third embodiment.

[Method and program of the present invention]
In the embodiment described above, the processing of the telephone system described using the sequence diagrams of FIGS. 8 to 10, 14 to 16, and 21 to 23 is realized by applying the method according to the present invention. It is a thing. Further, a program for executing the processing to be executed by the dock device 4 described with reference to the sequence diagrams of FIGS. 8 to 10, 14 to 16, and 21 to 23 is formed, and the program is executed as the dock device. The dock device of the present invention can be realized by being mounted on the dock device 4 so as to be executed by the control unit 430. Similarly, a program for executing a process to be executed by the mobile phone terminal 5 described with reference to the sequence diagrams of FIGS. 8 to 10, 14 to 16, and 21 to 23 is formed, and this is executed as the mobile phone terminal. The mobile phone terminal of the present invention can be realized by mounting the mobile phone terminal 5 so as to be executed by the control unit 540 of No. 5.

[Correspondence between Apparatus and Circuit Unit of Embodiment and Apparatus and Means of Claim]
Further, as is clear from the above-described embodiment, the SIP server 1 realizes a function as an exchange device, the dock device 4 realizes a function as a dock device, and the mobile phone terminal 5 functions as a mobile terminal. Is realized.

  The LAN connection terminal 401 of the dock device 4 realizes a function as a first connection end, and the external terminal 411 realizes a function as a second connection end. In addition, the EEPROM 434 of the dock device 4 realizes a function as extension information storage means, and the terminal registration leaving processing unit 422 of the dock device 4 realizes a function as terminal registration processing means. The extension information provision processing unit 423 of the dock device 4 realizes a function as extension information provision means, and the transmission / reception signal processing unit 424 realizes a function as signal processing means. In addition, the control unit 430 realizes a function as a reception unit in cooperation with the external I / F 412, and the ID management memory 425 of the dock device 4 realizes a function as an identification information storage unit. In addition, the terminal registration / removal processing unit 422 realizes a function as an identification information providing unit.

  In addition, the external terminal 531 of the mobile phone terminal 5 realizes a function as a connection end for an external device, and the control unit 540 mainly serves as a use prohibition unit, a use resumption unit, an identification information providing unit, and an identification information erasing unit. The function is realized. Also, the extension information management unit 512 of the mobile phone terminal 5 realizes a function as extension information management means, and the SIM card information memory 510 realizes a function as identification information storage means.

[Others]
In the above-described embodiment, the case where the present invention is applied to the IP telephone system has been described as an example. However, the present invention is not limited to this. The present invention can also be applied to a button telephone system configured using a main device instead of the SIP server 1.

  In the above-described embodiment, the case where the dock device 4A and the mobile phone terminal 5A are connected by the wireless LAN has been described as an example. However, the present invention is not limited to this. For example, the dock device and the mobile phone terminal can be connected by various short-range wireless communication interfaces such as the Bluetooth standard or an optical wireless data communication interface using infrared light based on the IrDA (Infrared Data Association) standard. .

  Moreover, as the mobile phone terminal 5, in addition to a conventional mobile phone terminal, a high-function mobile phone terminal called a smart phone or the like can be used. That is, various communication devices having a function capable of performing communication through the mobile phone network can be used as the mobile phone terminal 5 of the above-described embodiment.

  In addition, the operation input unit 521 of the mobile phone terminal 5 may be configured as a so-called software keyboard realized by display information displayed on the display screen and a touch panel attached to the display screen.

DESCRIPTION OF SYMBOLS 1 ... SIP server, 101 ... Connection terminal to IP network, 102 ... IP network I / F, 103 ... Packet disassembly / generation part, 104 ... Telephone network I / F, 105 ... Connection terminal to telephone network, 106 ... Address Management DB 107 ... LAN I / F 108 Connection terminal to LAN 110 Control unit 2 LAN 3 IP phone terminal 4 Dock device 401 LAN connection terminal 402 LAN I / F 411 ... external terminal, 412 ... external I / F, 413 ... charge current supply unit, 414 ... AC outlet, 421 ... connection terminal registration memory, 422 ... terminal registration leaving processing unit, 423 ... extension information provision processing unit, 424 ... transmission / reception signal Processing unit, 425 ... ID management memory, 430 ... control unit, 5 ... mobile phone terminal, 501 ... transmission / reception antenna, 502 ... telephone communication unit, 503 ... transmission / reception signal processing unit, 504 ... communication Voice processing unit, 505 ... receiver amplifier, 506 ... receiver, 507 ... transmitter, 508 ... transmitter amplifier, 510 ... SIM card information memory, 511 ... message processing unit, 512 ... extension information management unit, 513 ... call voice conversion , 521 ... operation input unit, 522 ... operation input I / F, 523 ... display controller, 524 ... display, 525 ... ringer, 531 ... external terminal, 532 ... external I / F, 533 ... charging circuit, 534 ... battery, 540 ... Control unit, 6 ... IP network, 7 ... Telephone network, 9 ... Management server, 900 ... System bus, 901 ... CPU, 902 ... ROM, 903 ... RAM, 905 ... LAN I / F, 906 ... LAN connection terminal, transmitting and receiving unit for _{907 ... LAN, 908 1 ~908 n} ... card I / F, 909 ... card management table memory, 910 ... terminal Management table memory, 911 ... display information generating unit

Claims (8)

A telephone system formed by connecting a dock device to an exchange device connected to a wide area network and connecting a mobile phone terminal to the dock device,
The dock device is
A first connection end enabling connection to the exchange device;
A second connection end for enabling connection of the mobile communication terminal;
Extension information storage means for storing and holding extension information for setting the mobile communication terminal connected to the second connection end as an extension telephone terminal under the switching device;
When a mobile phone terminal is connected to the second connection end, a registration process is performed in which the mobile phone terminal is an extension telephone terminal under the switching device, using the extension information in the extension information storage means. Terminal registration processing means to perform;
Extension information providing means for providing the extension information of the extension information storage means to the mobile phone terminal when a mobile phone terminal is connected to the second connection end;
Signal processing means for processing a signal transmitted and received between the exchange device connected through the first connection end and the portable communication terminal connected through the second connection end;
The mobile phone terminal
A connection end for an external device that allows connection to the dock device;
When connected to the dock device via the external device connection end, information necessary for mobile phone communication with a mobile phone terminal and different identification information for each mobile phone terminal cannot be used. Use prohibition means,
An extension information management means for receiving the extension information provided from the dock device and registering it in the storage means of the own device when connected to the dock device through the connection end for the external device. And phone system. The telephone system according to claim 1,
The mobile phone terminal
And a use resuming unit for resuming use of the identification information whose use is prohibited by the use prohibiting unit when disconnected from the dock device connected through the connection end for the external device. Phone system. The telephone system according to claim 1,
The dock device is
Receiving means for receiving the identification information from the mobile phone terminal connected to the second connection end;
The mobile phone terminal
An identification information storage means for storing and holding the identification information;
The use prohibition means of the mobile phone terminal is:
Identification information providing means for reading the identification information from the identification information storage means and providing it to the dock device;
A telephone system comprising: identification information erasure means for erasing the identification information stored and held in the identification information storage means. The telephone system according to claim 3,
The dock device is
A telephone system comprising: identification information storage means for storing and holding the identification information received through the reception means. The telephone system according to claim 3,
The dock device is
A telephone system comprising identification information providing means for providing and managing the identification information received through the receiving means to a management device configured to be connected through the first connection end. . The dock device of the telephone system formed by connecting a dock device to an exchange device connected to a wide area network and connecting a mobile phone terminal to the dock device,
A first connection end enabling connection to the exchange device;
A second connection end for enabling connection of the mobile communication terminal;
Extension information storage means for storing and holding extension information for setting the mobile communication terminal connected to the second connection end as an extension telephone terminal under the switching device;
When a mobile phone terminal is connected to the second connection end, a registration process is performed in which the mobile phone terminal is an extension telephone terminal under the switching device, using the extension information in the extension information storage means. Terminal registration processing means to perform;
Extension information providing means for providing the extension information of the extension information storage means to the mobile phone terminal when a mobile phone terminal is connected to the second connection end;
Signal processing means for processing a signal transmitted and received between the exchange device connected through the first connection end and the portable communication terminal connected through the second connection end. Dock device to do. The mobile phone terminal of the telephone system formed by connecting a dock device to an exchange device connected to a wide area network and connecting a mobile phone terminal to the dock device,
A connection end for an external device that allows connection to the dock device;
When connected to the dock device via the external device connection end, information necessary for mobile phone communication with a mobile phone terminal and different identification information for each mobile phone terminal cannot be used. Use prohibition means,
An extension information management means for receiving the extension information provided from the dock device and registering it in the storage means of the own device when connected to the dock device through the connection end for the external device. A mobile phone terminal. There is a device connection method used in a telephone system formed by connecting a dock device to an exchange device connected to a wide area network and connecting a mobile phone terminal to the dock device,
The dock device is connected to a first connection end that enables connection to the exchange device, a second connection end that enables connection of the mobile communication terminal, and the second connection end. Extension information storage means for storing and holding extension information for making the mobile communication terminal that has been made an extension telephone terminal under the switching device,
In the dock device,
When a mobile phone terminal is connected to the second connection end, the terminal registration processing means uses the extension information in the extension information storage means to connect the mobile phone terminal to an extension telephone under the switch. A terminal registration processing step for performing registration processing as a terminal;
An extension information providing step in which, when a mobile phone terminal is connected to the second connection end, an extension information providing means provides the extension information of the extension information storage means to the mobile phone terminal;
A signal processing step in which a signal processing unit processes a signal transmitted and received between the exchange device connected through the first connection end and the portable communication terminal connected through the second connection end. Have
In the mobile phone terminal,
Information required for mobile phone communication with a mobile phone terminal when connected to the dock device through an external device connection end that enables connection to the dock device, and differs for each mobile phone terminal A use prohibition process for preventing the use prohibition means from using the identification information; and
An extension information management step in which extension information management means receives the extension information provided from the dock apparatus and registers it in its own storage means when connected to the dock device through the external device connection end. And a device connection method characterized by comprising:

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