JPH0993630A - Terminal control system for private branch exchange - Google Patents

Abstract

PROBLEM TO BE SOLVED: To allow the system to flexibly cope with change or the like of the system. SOLUTION: A private branch exchange 1 is provided with a telephone terminal management memory 11 which conducts call control of telephone terminal sets T1-T4 and stores management information to identify corresponding control terminal equipments PC1-PC4. In the case of making communication with the control terminal equipments PC1-PC4, the telephone terminal equipment management section 13 of the private branch of exchange 1 writes communication management data to a connection management memory 12 and sends/receives the information of the control terminal equipments PC1-PC4 and the telephone terminal sets T1-T4 corresponding to the control terminal equipments PC1-PC4 and writes the management information to the telephone terminal set management memory 11 when the management information to the telephone terminal sets T1-T4 is inputted.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a terminal control system for a private branch exchange which manages a telephone terminal housed in the private branch exchange and a control terminal for controlling the telephone terminal.

[0002]

2. Description of the Related Art In a conventional private branch exchange terminal control system, when a plurality of personal computers as control terminals for controlling telephone terminals accommodated in a private branch exchange (PBX) are accommodated, the personal computers are used as client / server models. The server is configured as a client of the form and is controlled by one server connected to the private branch exchange.

[0003]

However, for example, a LAN (local area
In the case of newly building an application using a personal computer of each user and a telephone terminal in a network, a server for controlling the telephone terminal accommodated in the private branch exchange is newly accommodated in the LAN. There was a problem that there was little freedom as a system, such as having to do it. Further, the number of personal computers accommodated as a system is limited by the client control capability of the server, and there is little flexibility in this respect as well. From this point,
It has been desired to realize a terminal control system for a private branch exchange that has a flexible system configuration.

[0004]

The present invention uses the following constitution in order to solve the above-mentioned problems. <Structure of Claim 1> A private branch exchange, a telephone terminal accommodated in this private branch exchange, and a control terminal provided in correspondence with this telephone terminal. The private branch exchange calls the telephone terminal in which it is housed. A telephone terminal management memory for storing control information for controlling and identifying a control terminal corresponding to the telephone terminal, a connection management memory for storing connection information for managing a connection with the control terminal, and a control terminal. When communication is performed, the communication management data is written in the connection management memory, and information regarding the control terminal and the telephone terminal corresponding to the control terminal is exchanged, and the control terminal transmits the management information to the telephone terminal. When there is an input, a telephone terminal management unit for writing the management information into the telephone terminal management memory is provided.

<Explanation of Claim 1> In the management information stored in the telephone terminal management memory of the private branch exchange, as the information for call control, for example, the telephone terminal is absent or in that case. It includes all information specified by the control terminal, such as transfer destination information and mailbox information. Also, the connection information of the connection management memory is set for each connection with the control terminal, and is information that is temporarily held during the connection when the telephone terminal management unit communicates with the control terminal.

The telephone terminal management section has a function as an application for communicating with the control terminal and performing various processes. For example, when the control terminal operates on behalf of the telephone terminal, the control terminal operates from the control terminal. It receives and responds to the request and notifies the control terminal of the state of the telephone terminal. Further, various functions of the telephone terminal management unit can be realized in addition to these, and when various functions are required as a system, they can be easily realized by using this telephone terminal management unit as the function. be able to.

As described above, various functions of the system can be dealt with by the function of the telephone terminal management unit, so that a conventional server is not necessary and the system can be flexibly dealt with.

[0008]

BEST MODE FOR CARRYING OUT THE INVENTION Embodiments of the present invention will be described in detail below with reference to the drawings. [Configuration] FIG. 1 is a configuration diagram showing a terminal control system of a private branch exchange of the present invention. The system in the figure is a private branch exchange (P
BX) 1, telephone terminals T1 to T4, control terminals PC1 to PC
4 and a LAN 100 to which the private branch exchange 1 and the control terminals PC1 to PC4 are connected.

The private branch exchange 1 has the functions of accommodating the telephone terminals T1 to T4, controlling the calls of the telephone terminals T1 to T4, and communicating with the control terminals PC1 to PC4 via the LAN 100. Telephone terminal management memory 1
1, connection management memory 12, telephone terminal management unit 13
It has. The telephone terminal management memory 11 is a memory that stores management information for performing call control of each of the telephone terminals T1 to T4.

FIG. 2 is a block diagram of the telephone terminal management memory 11. As shown in the figure, the telephone terminal management memory 11 is
Management information of each of the telephone terminals T1 to T4 is stored, and the management information includes information such as an internet protocol address (IPAD) and a socket number. The socket number is a logical connection number and is a number for establishing a connection with an application for each process.

Returning to FIG. 1, the connection management memory 1
Reference numeral 2 is a memory for storing connection information for managing the connection with the control terminals PC1 to PC4.
FIG. 3 is a configuration diagram of the connection management memory 12. As shown in the figure, the connection management memory 12 generates connection information for each connection, and the connection information includes information such as telephone terminal identification data, internet protocol address, socket number, and connection state. . still,
The telephone terminal identification data indicates which telephone terminal T1 to T4, and the connection state indicates a state such as whether a connection is established or not yet established to the control terminals PC1 to PC4 of the Internet protocol address. ing.

Returning to FIG. 1 again, the telephone terminal management unit 13
When communicating with the control terminals PC1 to PC4, the communication management data is written in the connection management memory 12, and the control terminals PC1 to PC4 and the control terminal P are connected.
It has a function of transmitting and receiving information on the telephone terminals T1 to T4 corresponding to C1 to PC4 and writing the management information to the telephone terminal management memory 11 when the management information is input to the telephone terminals T1 to T4. ing. That is, the telephone terminal management unit 13 is an application that executes various processes.

The control terminals PC1 to PC4 are data terminals composed of personal computers or the like, and the respective control terminals PC1 to PC4 control the corresponding telephone terminals T1 to T4. The private branch exchange 1 and the control terminals PC1 to PC4 are designated with Internet protocol addresses for communication respectively. The private branch exchange 1 is IPAD1, and the control terminals PC1 to PC4 are IPAD2 to 5.

[Operation] First, the proxy operation of the telephone terminals T1 to T4 by the control terminals PC1 to PC4 will be described.

FIG. 4 is a sequence chart of each part when performing a proxy operation. When performing a substitute operation, first,
The proxy operation is performed on the screen of any of the control terminals PC1 to PC4. The proxy operation is an operation for displaying a phonebook screen or the like on the control terminals PC1 to PC4, selecting a callee terminal, and performing a call operation on the phone terminals T1 to T4.
Here, as an example, the telephone terminals T1 to T4 acting as agents will be described as the telephone terminal T1, and the control terminals PC1 to PC4 acting as agents will be described as the control terminal PC1.

The control terminal PC1 sends a connection request to the private branch exchange 1 to establish a connection for communicating with the private branch exchange 1 (connection request). In the private branch exchange 1, the telephone terminal management unit 13 sets information (Internet protocol address (IPAD), socket number, connection state) in the connection management memory 12 and returns a response (connection response).

When the connection is established, the control terminal PC
1 transmits a call request (calling telephone number, dial information) of its own telephone terminal T1 to the private branch exchange 1 (call request). In the private branch exchange 1, the telephone terminal management unit 13 sets the outgoing telephone number information in the connection management memory 12, and if the request instruction telephone terminal T1 is in the outgoing state, returns a calling request response to the control terminal PC1 ( (Call request response), and also issues a call instruction to the telephone terminal T1 (call instruction),
1 is in the calling state of the other party (call notification). That is, the telephone terminal T1 is in a so-called on-hook dial operation state.

The private branch exchange 1 analyzes the telephone terminal T1 instructed to make a call to connect to the other terminal (telephone or public network) according to the dial information instructed from the control terminal PC1 (validity of the number). , The other party is empty / closed, etc., and connection processing is performed. Then, at the time of calling the partner terminal, the calling is notified to the control terminal PC1 by a calling event (additional information: caller information, callee information, dial information) (call event notification), and the control terminal PC1 Displays the partner information on the screen. Also, the other party answers and the telephone terminal T
When a call is started at 1 (connection notification), private branch exchange 1
Notifies the control terminal PC1 of the completion of the connection with a connection event (additional information: sender information, responder information) (connection event notification), and the control terminal PC1 displays the other party information and starts a call.

Since no connection is required during a call, the control terminal PC1 transmits connection release information to the private branch exchange 1 (connection release request), and the private branch exchange 1 clears the connection management information in the connection management memory 12. Returns a connection release response (connection release response).

Next, a description will be given of the operation of notifying the control terminals PC1 to PC4 of the telephone status when receiving an incoming call to the telephone terminals T1 to T4. FIG. 5 is a sequence chart of each unit when the telephone status notification is performed. This is because in the telephone terminal management unit 13 of the private branch exchange 1, the user controls terminals PC1 to P1.
While working at C4, own telephone terminals T1 to T4
This is a case of realizing a function of confirming caller information and acting as a substitute when an incoming call arrives. In addition, hereinafter, the telephone terminals T1 to T4 having received the call are assumed to be the telephone terminal T1.

First, when an incoming call arrives at the telephone terminal T1 at the private branch exchange 1 (incoming call notification), the telephone terminal management section 13 refers to the telephone terminal management memory 11. That is, if the IP address (IPAD) and the socket number are set as the management information of the telephone terminal T1, the information (IP address, IP address, A socket number, a telephone number, a connection state) are set, and a connection request is transmitted to the control terminal PC1 (connection request).

The control terminal PC1 returns a connection response (connection response) and displays an incoming call on the screen. When the connection is established, the telephone terminal management unit 13 of the private branch exchange 1 sets the state of the connection management memory 12 and sets the callee information as an incoming call event (additional information: caller information, callee (own phone) information). Notify (incoming event notification). In the control terminal PC1, the incoming call display screen switching operation is performed to display the calling party information. When the other party is confirmed and a substitute response operation is performed, a response request is transmitted to the private branch exchange 1 (response request).

In the private branch exchange 1, if the request telephone terminal T1 is in a response-enabled state, a response request response is returned to the control terminal PC1 (response request response), and the telephone terminal T1 performs response processing (response instruction, response notification). ). In the private branch exchange 1, the control terminal PC1 indicates that the connection (response) is completed at the telephone terminal T1.
Connected event (additional information: sender information, responder information)
To notify (connection event notification) and start the call.

Since no connection is required during a call, a control release request is sent from the control terminal PC1 to the private branch exchange 1 (connection release request), and the private branch exchange 1 clears the connection management memory 12 and sends a connection release response. Return (connection release response).

In the above example, the case where the telephone terminal management unit 13 of the private branch exchange 1 performs the proxy operation and the notification of the telephone status has been described, but it is possible to have various functions other than this. For example, when the user of the telephone terminal T1 leaves,
The control terminal PC1 sends the information to the private branch exchange 1.
That is, when the control terminal PC1 transmits information to the effect that the user will leave, the telephone terminal management unit 13 causes the telephone terminal management memory 1
In the management information of the telephone terminal T1 in No. 1, information indicating absence is written. Further, in this case, a function of designating a transfer destination telephone number, a mailbox, or the like from the control terminal PC1 and also designating this as management information can also be realized.

[Effect] As described above, various processes which conventionally required the server can be realized by the telephone terminal management unit 13, the telephone terminal management memory 11 and the connection management memory 12 of the private branch exchange 1. No need for a server, and by flexibly coping with system changes such as an increase or decrease in the number of accommodated telephone terminals T1 to T4 and control terminals PC1 to PC4 by selecting various functions of the telephone terminal management unit 13. You can

[0027]

As described above, according to the terminal control system for the private branch exchange of the present invention, the conventional server is not required, and it is possible to flexibly cope with the change in the configuration of the system.

[Brief description of drawings]

FIG. 1 is a block diagram showing a terminal control system of a private branch exchange of the present invention.

FIG. 2 is a configuration diagram of a telephone terminal management memory of the terminal control system of the private branch exchange of the present invention.

FIG. 3 is a configuration diagram of a connection management memory of the terminal control system of the private branch exchange of the present invention.

FIG. 4 is a sequence chart of each part when performing a proxy operation in the terminal control system of the private branch exchange of the present invention.

FIG. 5 is a sequence chart of each part when performing a telephone status notification in the private branch exchange terminal control system of the present invention.

[Explanation of symbols]

 1 Private branch exchange 11 Telephone terminal management memory 12 Connection management memory 13 Telephone terminal management unit T1 to T4 Telephone terminals PC1 to PC4 Control terminal 100 LAN (local area network)

Claims (1)

[Claims] 1. A private branch exchange, a telephone terminal accommodated in the private branch exchange, and a control terminal provided in correspondence with the telephone terminal. The private branch exchange performs call control of the accommodated telephone terminal. A telephone terminal management memory for storing management information for identifying a control terminal corresponding to the telephone terminal, a connection management memory for storing connection information for managing a connection with the control terminal, and the control terminal When communicating with the communication terminal, the communication management data is written in the connection management memory, and information regarding the control terminal and the telephone terminal corresponding to the control terminal is exchanged, and the telephone terminal is transmitted from the control terminal. When the management information is input to the telephone terminal management memory, the management information is written in the telephone terminal management memory. The terminal control system of the private branch exchange to symptoms.