JPH0310594A - Automatic terminal connection control system - Google Patents

Abstract

PURPOSE:To realize the automatic terminal connection service without using a special terminal by retrieving a telephone number of a called subscriber brought to access from a data terminal to a data base of a computer connected to a private branch exchange, and connecting a calling subscriber telephone set and a called subscriber telephone set by a result of its retrieval and calling side information from the data terminal. CONSTITUTION:When a user requests a service, a data terminal 10 and a host computer 13 are connected by a connecting line 111. Subsequently, when the user requests to retrieve a subscriber information data base to the host computer 13 from the data terminal 10, the host computer 13 fetches the request contents from a data base 14 and transfers them to the data terminal 10 through a PBX 11. When the user selects a specific subscriber from the data terminal 10, and also, inputs telephone number information of a calling subscriber, those selecting information and the calling subscriber number are sent to the host computer 13 through the PBX 11, the host computer 13 outputs a connecting instruction to a call instruction execution control part 12 of the PBX 11 together with outgoing subscriber information and called subscriber information, and connects telephone sets A, B of the calling subscriber and the called subscriber.

Description

[Detailed Description of the Invention] [Summary] To provide an automatic terminal connection control method that can realize an automatic terminal connection service without using special terminals regarding a private branch exchange that has an interface with a host computer and accommodates telephones and data terminals. The purpose is to provide a connection path that accesses the host convenience store when the data terminal starts up, and the host computer searches the built-in subscriber terminal information database in response to a request from the data terminal and sends the obtained results to the data terminal. When the data is transferred to the terminal and there is a connection request from the data terminal, the host computer outputs the connection instruction together with the calling subscriber information and the called subscriber information to the calling instruction execution control section of the private branch exchange, and the calling instruction execution control section , the telephones of the originating subscriber and the called subscriber are called based on each piece of information, and when both parties respond, the respective communication paths are connected.

[Industrial Application Field 1] The present invention relates to a private branch exchange having an interface with a host computer and accommodating a telephone and a data terminal.

In recent years, telephone exchange technology has advanced, and digital electronic exchanges have become widely used.

To perform an automatic terminal connection service from a telephone terminal housed in a private branch exchange, a data terminal and a special terminal to connect to it are installed, a search is performed using the data terminal's database, and the results are used. A connection request is made to a private branch exchange, and since the mechanism provided in the terminal is special, it has the drawback of increasing costs, and an improvement is desired.

[Conventional technology] FIG. 4 is a configuration diagram of a conventional example.

In FIG. 4, 40 is a data terminal with functions similar to that of a personal computer, 41 is a special terminal with an interface to a telephone and a data terminal, 42 is a private branch exchange (represented as a PBX), and 43, 44, and 47 are respective receiving terminals. Call subscriber B, CD telephone, 45 is another PBX, 4
6 represents a trunk line trunk, 48 represents a public network, and 49 represents a central office line trunk.

To explain the operation of the conventional automatic terminal connection service, when the user first operates the keyboard of the data terminal 40 to request the automatic terminal connection service, the subscriber information database 401 built into the data terminal can be searched. state. The subscriber information database 401 stores the names, addresses, and telephone numbers of a large number of telephone subscribers, as well as the company name, two positions, and telephone numbers of sales customers.

When the database 401 is searched by a user's operation, the information is displayed on the screen. When a person to call is selected on the screen, the telephone number of the selected called party is entered into the special terminal 41 manually. When the special terminal 41 receives the telephone number information through the interface 411, the number is converted into a dial signal (push button dial signal or DC dial signal) in dial signal generation [412] and sent to the PBX 42.

When the PBX 42 receives this dial signal, it performs the connection operation in the same way as making a call from a normal telephone, and if the called party is a subscriber of the same P, B Person B 43 is called and a conversation is made using the handset of the special terminal 41.

Furthermore, when subscriber C of another PBX 45 is the called subscriber, the connection is made via the trunk line trunk 46, and the connection with the subscriber C of the public network 48 is made via the central office line trunk 49. Ru.

[Problems to be Solved by the Invention] According to the above-described conventional automatic terminal connection control system, a special terminal is required to receive this service. However, this special terminal (41 in FIG. 4) has a different configuration from a general telephone terminal and is not mass-produced, resulting in high costs.Moreover, there are problems in that the calling side extension is limited to the special terminal.

An object of the present invention is to provide an automatic terminal connection control method that can realize an automatic terminal connection service without using a special terminal.

[Means to solve the problem] FIG. 1 is a diagram showing the basic configuration of the present invention.

In FIG. 1, 10 is a data terminal, 11 is a branch exchange, 12 is a call instruction execution control unit, 13 is a host computer, 14 is a database, and 15 is a subscriber's telephone A
216 represents telephone B of the subscriber.

The present invention searches the database of a host computer connected to a private branch exchange for the telephone number of a called subscriber accessed from a data terminal, and inputs the search results and calling party information from the data terminal into the private branch exchange. Under the control of the exchange, a calling subscriber's telephone and a called subscriber's telephone, which are located near the data terminal, are called and connected.

[Operation] The data terminal IO is housed in the PBXII, and when the user turns on the power and requests service, the connection path 1 connects the data terminal IO line and the host computer 13 line.
11 is formed within the PBXII to connect the two.

Next, when the user operates the data terminal 10 to request the host computer 13 to search for his or her private or shared subscriber information database, the search means 131 of the host computer 13 retrieves the requested content from the database 1.
PBX from the host computer 13.
II to the data terminal 10, and the data terminal 1
0 is displayed on the display means 101.

When the user operates the manual means 102 to select a particular subscriber and enter the calling subscriber's telephone number information, the selection information and the calling subscriber number are sent to the host computer 13 via the PBXII. . Upon receiving this, the host computer 13 activates the connection instruction generating means 132 and retrieves the telephone number of the selected subscriber based on the information in the database 14 and the selection information from the user.
A connection instruction is output to the calling instruction execution control unit 12 of the PBXII with the calling subscriber number added thereto.

In the calling instruction execution control unit 12, the host computer 13
Based on the calling subscriber number input from , the calling subscriber calling means 121 operates to call telephone A using the calling subscriber number, and calls the called subscriber using the called subscriber number. The means 122 calls the telephone B of the called party. When both telephones A and B respond to the call, the both response detection means 123 operates and the next communication path forming means 124 is activated.
operates to connect the subscriber lines of both telephones A and B, forming a communication path and making a telephone conversation possible.

Connection can be made in the same way even if the called subscriber is accommodated in another PBX or public network.

[Embodiment] FIG. 2 is a block diagram of the embodiment, and FIG. 3 is an operation sequence diagram between the host combinator and the PBX.

In FIG. 2, 20 is a data terminal, 21 is a private branch exchange (PBX), and 22 is a connection control unit (including 12 in FIG. 1).
, 23 is a host computer, 24 is a telephone of subscriber A near the data terminal 20, 25.26 is a telephone of subscribers B and C, 27 is another PBX, 28 is a trunk line trunk, 2
9 represents a subscriber's telephone, 30 represents a public network, and 31 represents a trunk trunk.

To explain the operation of the embodiment, when a user starts up the data terminal 20 and requests automatic terminal connection service, the PBX
It is connected to the host computer 23 via 21 and retrieves requested subscriber list data from the database 231 and transfers it to the data terminal 20. In the data terminal 20, the transferred data is displayed on a display device such as a display, and the user looks at the data and operates the keyboard to select a desired calling party. The selected content and the telephone number of subscriber A's telephone (telephone used by the user of data terminal 20) 24 near the data terminal are data terminal 2.
0 to the host computer 23.

When the host computer 23 receives the telephone number of the other party (called subscriber) selected on the data terminal 20 and the telephone number of the calling subscriber input, it issues a connection instruction to the connection control unit 22 of the PBX 21. It is sent via interface 210.

To explain with reference to the operation sequence between the host computer and PBX shown in FIG. 3, when a connection instruction signal is input from the host computer to the PBX 21, the connection control 1 section 22 is activated.

Then, the connection control unit 22 sends a connection instruction signal reception confirmation signal to the host computer 23.

When the host computer 23 receives this, it prepares to send out the digits of the telephone number, and then starts sending out the digits.

In this case, the numbers sent are the telephone number of the calling subscriber A and the called subscriber number B input from the data terminal.
(determined by the selection signal from the data terminal).

When all the digits of these telephone numbers are manually entered into the connection control section 22, the connection control section 22 first performs control to call the calling tone A (FIG. 2 24), and sends a ringing signal (ringing) to the telephone. signal). In parallel with this, control is performed to call the called subscriber. PBX with the same called party
If it is subscriber B within the network, the connection control section selects subscriber B's telephone and sends out a calling signal.

When both jaw sounds A and B respond, the communication path is switched by the control n of the connection control section 22 to connect the respective subscriber lines, and a call is made.

In this case, subscriber A's telephone 24 is normally connected to data terminal 2.
It is used by the user who operated 0, but it can also be used by another person.

FIG. 1 is a diagram showing the basic configuration of the present invention, FIG. 2 is a diagram showing the configuration of an embodiment, FIG. 3 is a diagram showing an operation sequence between a host computer and a PBX, and FIG. 4 is a diagram showing a configuration of a conventional example.

In FIG. 1, lO: data terminal 11: PBX 12: call instruction execution control unit 13: host computer 14: database 15: subscriber's telephone A 16: subscriber's telephone B [Effects of the invention] Book According to the invention, it is possible to call a terminal without using a special terminal by using the existing communication between a host computer and a PBX, and the automatic terminal connection service can be generalized.

Claims (1)

[Claims] In a private branch exchange having an interface with a host computer and accommodating data terminals, the data terminals (10
) has a connection path (111) that accesses the host computer (13) when started, and the host computer searches the built-in subscriber terminal information database (14) in response to a request from the data terminal and uses the obtained results. When the host computer transfers the data to the data terminal and receives a connection request from the data terminal, the host computer sends the connection instruction together with the calling subscriber information and called subscriber information to the call instruction execution control unit (12) of the private branch exchange.
The calling instruction execution control unit (12) calls the telephones of the originating subscriber and the called subscriber based on each piece of information, and connects the respective communication paths when both parties respond. Automatic terminal connection control method.