JP2015073220A - Telephone control device and program - Google Patents

Abstract

PROBLEM TO BE SOLVED: To control a wireless telephone terminal, having an accommodated extension line, without a complicated setting operation.SOLUTION: In response to a registration message, transmitted from a wireless telephone terminal 30 to an IP telephone network NW, for registering the wireless telephone terminal 30, an information acquisition unit 14A requests the wireless telephone terminal 30 for authentication information to be used for the registration, to preserve into a storage unit 13 the acquired authentication information in association with the wireless telephone terminal 30. A registration processing unit 14B, when performing registration processing of the wireless telephone terminal 30 to the IP telephone network NW, transmits to the IP telephone network NW the registration message including the authentication information of the wireless telephone terminal 30 read out from the storage unit 13.

Description

  The present invention relates to a telephone control technique, and more particularly to a telephone control technique for accommodating a radio telephone terminal.

  In business phones and PBX systems, along with the widespread use of IP telephone functions using wireless LAN in wireless telephone terminals such as smart phones and mobile phones, these wireless telephone terminals are connected via a wireless LAN base station to a main device or a telephone control device such as a PBX. In the same way as an extension telephone terminal accommodated in a telephone line and accommodated via an extension line, a technology for controlling as a telephone terminal under a telephone control apparatus is being put into practical use.

  Conventionally, as a telephone control technology for one user to use such an extension telephone terminal and a radio telephone terminal properly, one individual incoming call number is assigned to the extension telephone terminal and the radio telephone terminal that are related to each other. Thus, there has been proposed a terminal cooperation function capable of responding to an incoming call for the individual incoming call number by either an extension telephone terminal or a wireless telephone terminal (see, for example, Patent Document 1).

JP 2011-188160 A

In general, wireless telephone terminals such as smartphones and mobile phones having an IP telephone function use a number of call control servers provided in the IP telephone network as in the case of IP telephone terminals when making a call using the IP telephone network. Of these, it is necessary to execute a registration process for requesting call control to a call control server specified in advance.
For this reason, when realizing the conventional terminal cooperation function, the telephone control device executes registration processing of the wireless telephone terminal instead of the wireless telephone terminal.

  In such a registration process, it is necessary to respond to an authentication request from the IP telephone network. For this reason, in order for the telephone control device to execute the registration process on behalf of the wireless telephone terminal, an ID or password required for authentication may be returned from the telephone control device to the IP telephone network. Therefore, a method is conceivable in which an individual ID and a password are set in advance in the telephone control device for each IP telephone terminal.

  However, since the ID and password for the IP telephone network of such a wireless telephone terminal suppress unauthorized use, it is necessary to sufficiently consider security in the setting. For this reason, there is a problem in that a complicated setting operation is required when setting an ID and a password in the telephone control device.

  An object of the present invention is to provide a telephone control technology capable of controlling a radio telephone terminal accommodated in an extension without requiring a complicated setting operation.

  In order to achieve such an object, a telephone control device according to the present invention includes at least one extension telephone terminal accommodated via an extension line and at least one radio telephone terminal accommodated via a radio base station. A telephone control device for switching connection to an IP telephone network, wherein the wireless telephone terminal responds to a registration message transmitted from the wireless telephone terminal for registering the wireless telephone terminal to the IP telephone network. An information acquisition unit that requests authentication information used for the registration from the telephone terminal, stores the obtained authentication information in the storage unit in association with the wireless telephone terminal, and a registration process of the wireless telephone terminal with respect to the IP telephone network A registration processing unit that transmits a registration message including the authentication information of the wireless telephone terminal read from the storage unit to the IP telephone network.

  Further, in one configuration example of the telephone system according to the present invention, when the information acquisition unit acquires authentication information from the wireless telephone terminal, it confirms whether the transmission destination of the registration message is the telephone control device, Only when it is confirmed that the transmission destination is the telephone control device, information is requested to the radio telephone terminal.

  Also, one configuration example of the telephone system according to the present invention is provided in an extension telephone terminal having a cooperative relationship sharing one cooperative telephone number with the wireless telephone terminal upon completion of registration processing by the registration processing unit. A cooperation control unit that assigns a cooperation line key for selecting a line of the cooperation telephone number to any of the function keys is further provided.

  Also, in one configuration example of the telephone system according to the present invention, the registration processing unit reads out from the storage unit in response to a registration update message transmitted from the wireless telephone terminal for updating the registration. A registration update message including authentication information of the wireless telephone terminal is transmitted to the IP telephone network.

  Also, in one configuration example of the telephone system according to the present invention, even if a predetermined monitoring time has elapsed since the registration processing unit received the registration update message from the wireless telephone terminal, the wireless telephone terminal When a new registration update message is not received, authentication information related to the wireless telephone terminal is deleted from the storage unit.

  Further, the program according to the present invention is a program for causing a computer to function as each unit constituting any one of the above-described telephone control devices.

According to the present invention, when the telephone control device registers a wireless telephone terminal to the IP telephone network, the authentication information acquired and stored from the wireless telephone terminal in response to a registration message from the wireless telephone terminal is stored. Used.
Therefore, it is not necessary to set the IP telephone network ID and password of the wireless telephone terminal in advance for the telephone control device, so that the wireless telephone terminal accommodated in the extension can be controlled without requiring a complicated setting operation. can do.

It is a block diagram which shows the structure of the telephone system concerning 1st Embodiment. It is a structural example of terminal cooperation information. It is an external view of an extension telephone terminal. It is a sequence diagram which shows the radio | wireless telephone terminal registration operation | movement of the telephone system concerning 1st Embodiment. It is a sequence diagram which shows the radio | wireless telephone terminal transmission operation | movement of the telephone control apparatus concerning 1st Embodiment. It is a sequence diagram which shows the registration update operation | movement of the telephone control apparatus 10 concerning 2nd Embodiment.

Next, embodiments of the present invention will be described with reference to the drawings.
[First Embodiment]
First, a telephone system 1 according to a first embodiment of the present invention will be described with reference to FIG. FIG. 1 is a block diagram showing the configuration of the telephone system according to the first embodiment.

  The telephone system 1 includes a telephone system such as a business phone or a PBX system, and includes a telephone control device 10, an extension telephone terminal 20, a radio base station AP, and a radio telephone terminal 30.

The telephone control device 10 includes a telephone control device used as a main device of a business phone or a PBX of a PBX system, and accommodates a plurality of extension telephone terminals 20 via an extension line 21 and is connected via a radio base station AP. A plurality of wireless telephone terminals 30 are accommodated, and the extension telephone terminal 20 and the wireless telephone terminal 30 are exchanged and connected to the IP telephone network NW via the network line L1. The number of extension telephone terminals 20 and radio telephone terminals 30 is not limited to a plurality, and the present invention can be applied if at least one is accommodated.
The extension telephone terminal 20 is a general extension telephone that is used by being placed on the desk of a user's seat in a telephone system such as a business phone or a PBX system.

The wireless base station AP is a general wireless base station connected to the telephone control apparatus 10 via the LAN line L2, and has a function of connecting a plurality of wireless telephone terminals 30 accommodated via the wireless LAN to the LAN line L2. have.
The radio telephone terminal 30 is a general radio telephone terminal such as a smartphone or a mobile phone, and in addition to a call using a public radio telephone network, for example, an IP telephone number (secondary telephone number) starting with “050” is used for radio communication. It has an IP telephone function for making a call using a LAN.

The IP telephone network NW includes an IP telephone network that provides an IP telephone service by exchanging call control messages with various IP telephone terminals using a plurality of call control servers (not shown).
The partner telephone terminal 40 is a general IP telephone terminal connected to the IP telephone network NW. Specifically, the telephone terminal 40 is a single telephone terminal, an extension telephone terminal accommodated in the telephone system, or a call using a wireless LAN. There are wireless telephone terminals such as smart phones and mobile phones having an IP telephone function.

[Telephone control device]
The telephone control device 10 is provided with a network I / F unit 11, an extension I / F unit 12, a storage unit 13, and a control unit 14 as main functional units.

  The network I / F unit 11 includes an interface circuit for communication, a function for exchanging various call control messages such as transmission, reception, and registration with the IP telephone network NW via the network line L1, and the network line L1. Call control messages such as outgoing call, incoming call, registration, etc. and call voice between the function of exchanging call voice with the other party telephone terminal 40 via the LAN and the radio telephone terminal 30 via the LAN line L2 and the radio base station AP. Has a function to exchange data.

  The extension I / F unit 12 is composed of a dedicated communication circuit and has a function of exchanging data such as call control messages such as outgoing calls and incoming calls and data such as call voices with the extension telephone terminal 20 via the extension line 21. doing.

The storage unit 13 includes a storage device such as a hard disk or a semiconductor memory, and has a function of storing processing data and a program 13P used for control processing in the control unit 14.
The program 13P is a program that implements various processing units by being read and executed by the CPU of the control unit 14.

  The main processing data stored in the storage unit 13 is call control data 13A. The call control data 13A includes status data indicating various operation states and setting data indicating various setting contents for the network line L1, the LAN line L2, the extension telephone terminal 20, and the radio telephone terminal 30, as well as the extension telephone terminal 20 And terminal cooperation information in which a cooperation relationship between the wireless telephone terminal 30 and the wireless telephone terminal 30 is registered.

  FIG. 2 is a configuration example of terminal cooperation information. Here, the identification information of the extension telephone terminal 20 and the wireless telephone terminal 30 that form a cooperative relationship is registered as a set for each cooperative telephone number that is an IP telephone number of the wireless telephone terminal 30 used as a cooperative line. As a result, the IP telephone number of the wireless telephone terminal 30 is assigned as the individual telephone number of the extension telephone terminal 20, that is, the external telephone number (network side telephone number) that can be used individually when making and receiving calls and calls on the extension telephone terminal 20. It is done. In this example, authentication information acquired from the wireless telephone terminal 30 is also registered in association with it.

The control unit 14 is composed of a computer having a CPU and its peripheral circuits, and implements various processing units by reading and executing the program 13P of the storage unit 13, and between the IP telephone network NW and the radio telephone terminal 30. Thus, by exchanging various call control messages based on a call control protocol such as SIP (Session Initiation Protocol), and by exchanging control messages based on various control protocols with the extension telephone terminal 20, the extension telephone terminal 20 and a function of performing call control related to the radio telephone terminal 30.
As main processing units realized by the control unit 14, there are an information acquisition unit 14A, a registration processing unit 14B, and a cooperation control unit 14C.

  In response to the registration message (REGISTER) for registering the radio telephone terminal 30 with respect to the IP telephone network NW transmitted from the radio telephone terminal 30, the information acquisition unit 14A performs the registration to the radio telephone terminal 30. A function of requesting authentication information to be used, a function of associating the obtained authentication information with the wireless telephone terminal 30 and storing it in the terminal cooperation information in the call control data 13A of the storage unit 13, and an authentication from the wireless telephone terminal 30 When acquiring information, it is confirmed whether or not the transmission destination of the registration message is the telephone control device 10, and only when it is confirmed that the transmission destination is the telephone control device 10, information is transmitted to the wireless telephone terminal 30. It has the required function.

  When the registration processing unit 14B performs registration processing of the radio telephone terminal 30 on the IP telephone network NW, the registration processing unit 14B sends a registration message including the authentication information of the radio telephone terminal 30 read from the storage unit 13 to the IP telephone network NW. It has a function to transmit.

  When the registration processing unit 14B completes the registration process, the cooperation control unit 14C is one of the function keys of the extension telephone terminal 20 that has a cooperative relationship sharing one cooperation telephone number with the wireless telephone terminal 30. And a function of assigning a link line key for selecting the link of the link phone number.

  FIG. 3 is an external view of the extension telephone terminal. In addition to dial keys, the extension telephone terminal 20 is provided with a plurality of function keys 20A that can be used by arbitrarily assigning various functions. The cooperation control unit 14C assigns the cooperation line key 20B to any one of these function keys 20A. Each function key 20A is provided with a lamp such as an LED for performing display related to the function, and the cooperation control unit 14C controls the display state of the lamp of the cooperation line key 20B to indicate the use state of the cooperation line. Identification display. Thereby, it is possible to notify the user not only of the usage status of the cooperative line by the extension telephone terminal 20 but also the usage status of the cooperative line by the wireless telephone terminal 30 having a cooperative relationship.

[Operation of First Embodiment]
Next, the radio telephone terminal registration operation of the telephone system 1 according to the present embodiment will be described with reference to FIG. FIG. 4 is a sequence diagram showing a radio telephone terminal registration operation of the telephone system according to the first embodiment.
Here, a registration process to the IP telephone network NW by the wireless telephone terminal 30 which is a target for cooperation control will be described.

  In order to perform registration processing for the IP telephone network NW, the radio telephone terminal 30 intermittently transmits a call control message related to the registration processing, that is, a registration message (REGISTER) (step 100).

  In response to the registration message (REGISTER) transmitted from the wireless telephone terminal 30, the information acquisition unit 14A of the telephone control device 10 receives address information such as an IP address and a MAC address indicating the transmission destination of the registration message (REGISTER). It is confirmed whether or not it is the control device 10 (step 101). Only when it is confirmed that the transmission destination is the telephone control device 10, a registration success message (200 OK) is sent from the network I / F unit 11 to the LAN line. The information is transmitted to the wireless telephone terminal 30 via L2 and the wireless base station AP (step 102), and an information request message for requesting authentication information used for registration processing is transmitted (step 103).

At this time, if the destination is not the telephone control device 10, it is transferred from the network I / F unit 11 to the IP telephone network NW via the network line L 1.
Further, based on the terminal link information of the call control data 13A, it is also confirmed whether or not the wireless telephone terminal 30 that is the transmission source of the registration message (REGISTER) is a target for cooperative control, and is also confirmed as a target for cooperative control. The information request may be made to the wireless telephone terminal 30 only when it is made.

  When an information response is returned from the wireless telephone terminal 30 in response to the information request message (step 104), the information acquisition unit 14A acquires the authentication information included in the information response and associates it with the wireless telephone terminal 30. It is stored in the terminal link information of the call control data 13A (step 105).

Subsequently, the registration processing unit 14B sends a registration message for registration processing of the wireless telephone terminal 30 from the network I / F unit 11 to the IP telephone network NW via the network line L1 in response to the acquisition of the authentication information. Transmit (step 110).
In response to this, when the authentication request message (407) is transmitted from the IP telephone network NW (step 111), the registration processing unit 14B obtains the authentication information of the wireless telephone terminal 30 from the terminal association information of the call control data 13A. Obtaining (step 112), generating a registration message with authentication including this authentication information and transmitting it to the IP telephone network NW (step 113).

Thereafter, when the authentication is successful in the IP telephone network NW, a registration success message (200 OK) is transmitted from the IP telephone network NW (step 114).
The link control unit 14C selects a link line for selecting one of the function keys provided on the extension telephone terminal 20 that controls the link with the radio telephone terminal 30 in response to the registration success message (200 OK). A key assignment instruction for assigning a key and a lamp turn-off instruction corresponding to the link line key are transmitted from the extension I / F unit 12 to the extension telephone terminal 20 via the extension line 21 (steps 115 and 116). As a result, the link line key is assigned as one of the function keys of the extension telephone terminal 20, and the lamp is turned off.

[Radio phone terminal calling]
Next, referring to FIG. 5, a radio telephone terminal calling operation in the telephone control device 10 according to the present embodiment will be described. FIG. 5 is a sequence diagram illustrating a radio telephone terminal transmission operation of the telephone control device according to the first embodiment.
Here, a case will be described in which a transmission request is notified to the IP telephone network NW in response to a transmission request from the wireless telephone terminal 30 that is the target of cooperation control.

  In the radio telephone terminal 30, when a call operation to the other telephone terminal 40 is performed (step 200), a call request message (INVITE) is transmitted from the radio telephone terminal 30 (step 201).

The link control unit 14C of the telephone control device 10 generates and transmits a call request message (INVITE) to the IP telephone network NW in response to the call request message (INVITE) from the wireless telephone terminal 30 (step 202).
When the authentication request message (407) is transmitted from the IP telephone network NW in response to the call request message (INVITE) (step 203), the cooperation control unit 14C determines the registration request included in the authentication request message (407). Based on the identification information such as the original telephone number, the wireless telephone terminal 30 as the registration request source is specified, and the authentication information of the wireless telephone terminal 30 is acquired from the terminal link information of the call control data 13A (step 204). A registration message with authentication (INVITE) including authentication information is generated and transmitted to the IP telephone network NW (step 205).

  Further, the cooperation control unit 14C specifies the extension telephone terminal 20 that is in cooperation with the radio telephone terminal 30 based on the terminal cooperation information of the call control data 13A in response to the transmission of the registration message with authentication, and the cooperation line key. Is transmitted to the extension telephone terminal 20 (step 206).

  As a result, the incoming call display is started at the destination telephone terminal 40, and the incoming call message (180) is transmitted from the IP telephone network NW (step 210). In response to this incoming call message (180), the link control unit 14C generates an incoming call incoming message (180) and transmits it to the wireless telephone terminal 30 (step 211).

  Thereafter, a response message (200 OK) is transmitted from the IP telephone network NW in response to a response operation at the other party telephone terminal 40 (step 220). In response to this response message (200 OK), cooperation control unit 14C generates an extension response message (200 OK) and transmits it to radio telephone terminal 30 (step 221).

  In this way, an incoming call response at the other party telephone terminal 40 is notified from the IP telephone network NW to the radio telephone terminal 30 via the telephone control device 10, and a call is started between the other party telephone terminal 40 and the radio telephone terminal 30. (Step 222).

  In FIG. 5, the call operation according to the call operation at the radio telephone terminal 30 has been described as an example. However, the call request from the extension telephone terminal 20 is made according to the call operation at the extension telephone terminal 20 using, for example, the link line key. Is sent to the extension telephone terminal 20, the destination of the incoming call message or response message is replaced by the extension telephone terminal 20, and the link line key lamp is lit in green (the call of the terminal itself). The transmission operation is the same as in FIG.

[Effect of the first embodiment]
Thus, in the present embodiment, the information acquisition unit 14A responds to the registration message for registering the wireless telephone terminal 30 with respect to the IP telephone network NW transmitted from the wireless telephone terminal 30. The authentication information used for the registration is requested from the telephone terminal 30, the obtained authentication information is stored in the storage unit 13 in association with the wireless telephone terminal 30, and the registration processing unit 14B makes a wireless telephone call to the IP telephone network NW. When the registration process of the terminal 30 is performed, a registration message including the authentication information of the wireless telephone terminal 30 read from the storage unit 13 is transmitted to the IP telephone network NW.

Thus, when the telephone control device 10 registers the wireless telephone terminal 30 with the IP telephone network NW, the authentication acquired and stored from the wireless telephone terminal 30 in response to the registration message from the wireless telephone terminal 30 Information is used.
Therefore, since it is not necessary to set the IP telephone network ID and password of the radio telephone terminal 30 in advance for the telephone control device 10, the radio telephone terminal accommodated in the extension without requiring a complicated setting operation. 30 can be controlled.

  In the present embodiment, when the information acquisition unit 14A acquires authentication information from the radio telephone terminal 30, the information acquisition unit 14A confirms whether the transmission destination of the registration message is the telephone control device 10, and the transmission destination is the telephone control. The information request may be made to the wireless telephone terminal 30 only when the device 10 is confirmed. Thereby, only the registration message from the radio telephone terminal 30 accommodated in the telephone control device 10 can be correctly selected, and the registration request from the unauthorized radio telephone terminal can be blocked.

  In the present embodiment, when the cooperation control unit 14C completes the registration process by the registration processing unit 14B, the extension telephone terminal 20 having a cooperation relationship sharing one cooperation telephone number with the wireless telephone terminal 30 is You may make it allocate the cooperation line key for selecting the line of the said cooperation telephone number to any of the function keys which have. As a result, the radio telephone terminal 30 can be used, and at the same time, the extension line key 20 is automatically provided to the extension telephone terminal 20 that is linked to the radio telephone terminal 30, so that the radio telephone terminal 30 can be connected to the radio telephone terminal 30 very smoothly. You can start sharing shared lines.

[Second Embodiment]
Next, with reference to FIG. 6, the telephone control apparatus 10 concerning the 2nd Embodiment of this invention is demonstrated. FIG. 6 is a sequence diagram illustrating a registration update operation of the telephone control device 10 according to the second embodiment.

  In the present embodiment, the registration processing unit 14B of the telephone control device 10 receives the wireless telephone terminal 30 read from the storage unit 13 in response to a registration update message transmitted from the wireless telephone terminal 30 for updating registration. The function of transmitting a registration update message including the authentication information to the IP telephone network NW, and even if a predetermined monitoring time elapses after receiving the registration update message from the radio telephone terminal 30, When a new registration update message has not been received, the authentication information related to the wireless telephone terminal 30 is deleted from the storage unit 13.

[Operation of Second Embodiment]
Next, the registration update operation of the telephone control device 10 according to the present embodiment will be described with reference to FIG.

  The radio telephone terminal 30 intermittently transmits a registration update message (LifeCheck [reREG]) in order to perform registration update processing for the telephone control apparatus 10 after registration processing to the telephone control apparatus 10 (step 300).

  In response to the registration update message (LifeCheck [reREG]) from the radio telephone terminal 30, the registration processing unit 14B of the telephone control device 10 sets the registration update date and time of the radio telephone terminal 30 stored in the storage unit 13 at the current time. The date and time are updated (step 301), and a registration update success message indicating the success of the registration update is returned to the wireless telephone terminal 30 (step 302).

Also, the registration processing unit 14B acquires the authentication information of the wireless telephone terminal 30 from the terminal cooperation information of the call control data 13A in response to the registration update message (LifeCheck [reREG]) from the wireless telephone terminal 30 (step 310). ), A registration update message (reREG) including this authentication information is transmitted to the IP telephone network NW (step 311).
In response to this, a registration update success message (200 OK) is transmitted from the IP telephone network NW (step 312).

  On the other hand, the registration processing unit 14B periodically checks the elapsed time after the registration update based on the registration update date and time of the wireless telephone terminal 30 stored in the storage unit 13 (step 320).

  Here, even if this elapsed time has passed from the predetermined monitoring time and the predetermined monitoring time has elapsed after receiving the registration update message from the wireless telephone terminal 30, a new registration update is performed from the wireless telephone terminal 30. When the message is not received (step 321), the registration processing unit 14B deletes the authentication information related to the wireless telephone terminal 30 from the terminal association information of the call control data 13A (step 322) and cooperates with the wireless telephone terminal 30. A key assignment message indicating deletion of the link line key is transmitted to the extension telephone terminal 20 in the relationship (step 323).

  As a result, when the radio telephone terminal 30 moves out of the range of the radio base station AP due to the user's going out, the authentication information is automatically deleted, and the cooperation line is used in the extension telephone terminal 20 having the cooperation relation. It becomes impossible.

[Effect of the second embodiment]
As described above, according to the present embodiment, the registration processing unit 14B transmits the wireless telephone terminal 30 read from the storage unit 13 in response to the registration update message transmitted from the wireless telephone terminal 30 to update the registration. A registration update message including authentication information is transmitted to the IP telephone network NW.
Thereby, the registration update process of the radio telephone terminal 30 for the IP telephone network NW is automatically executed based on the authentication information stored in the storage unit 13 triggered by the registration update message from the radio telephone terminal 30. Each time, it is not necessary to transmit authentication information from the radio telephone terminal 30.

In the present embodiment, the registration processing unit 14B receives a new registration update message from the radio telephone terminal 30 even if a predetermined monitoring time has elapsed since the registration update message was received from the radio telephone terminal 30. If not, the authentication information regarding the wireless telephone terminal 30 may be deleted from the storage unit 13.
As a result, when the radio telephone terminal 30 moves out of the range of the radio base station AP due to the user's going out, the authentication information is automatically deleted, and the cooperation line is used in the extension telephone terminal 20 having the cooperation relation. It becomes impossible, and high security can be obtained for the management of authentication information in the telephone control device 10.

[Extended embodiment]
The present invention has been described above with reference to the embodiments, but the present invention is not limited to the above embodiments. Various changes that can be understood by those skilled in the art can be made to the configuration and details of the present invention within the scope of the present invention. In addition, each embodiment can be implemented in any combination within a consistent range.

  DESCRIPTION OF SYMBOLS 1 ... Telephone system, 10 ... Telephone control apparatus, 11 ... Network I / F part, 12 ... Extension I / F part, 13 ... Memory | storage part, 13A ... Call control data, 13P ... Program, 14A ... Information acquisition part, 14B ... Registration processing unit, 14C ... cooperation control unit, 20 ... extension telephone terminal, 21 ... extension line, 30 ... wireless telephone terminal, 40 ... partner telephone terminal, NW ... IP telephone network, L1 ... network line, L2 ... LAN line.

Claims (6)

A telephone control device for switching and connecting at least one extension telephone terminal accommodated via an extension line and at least one radio telephone terminal accommodated via a radio base station to an IP telephone network,
In response to a registration message transmitted from the wireless telephone terminal for registering the wireless telephone terminal to the IP telephone network, the wireless telephone terminal is requested for authentication information used for the registration, and the obtained authentication An information acquisition unit that stores information in the storage unit in association with the wireless telephone terminal;
A registration processing unit that transmits a registration message including authentication information of the wireless telephone terminal read from the storage unit to the IP telephone network when performing registration processing of the wireless telephone terminal with respect to the IP telephone network; A telephone control device comprising the telephone control device. The telephone control device according to claim 1, wherein
When the information acquisition unit acquires authentication information from the wireless telephone terminal, the information acquisition unit checks whether the transmission destination of the registration message is the telephone control device, and confirms that the transmission destination is the telephone control device A telephone control apparatus that requests information from the wireless telephone terminal only. The telephone control device according to claim 1 or 2,
In response to the completion of the registration process by the registration processing unit, the line corresponding to the link telephone number is set to one of the function keys of the extension telephone terminals that have a link relationship with the radio telephone terminal and share one link telephone number. A telephone control apparatus further comprising a cooperation control section for assigning a cooperation line key for selecting a telephone number. The telephone control device according to any one of claims 1 to 3,
The registration processing unit sends a registration update message including authentication information of the wireless telephone terminal read from the storage unit in response to a registration update message transmitted from the wireless telephone terminal to update the registration. A telephone control device for transmitting to a telephone network. The telephone control device according to claim 4, wherein
If the registration processing unit does not receive a new registration update message from the wireless telephone terminal even after a predetermined monitoring time has elapsed since receiving the registration update message from the wireless telephone terminal, A telephone control apparatus, wherein authentication information about a terminal is deleted from the storage unit.   The program for functioning a computer as each part which comprises the telephone control apparatus in any one of Claims 1-5.

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