JPH03268659A - Attendant board channel connection system - Google Patents

Abstract

PURPOSE:To allow other attendant board to listen to a handling state of an attendant board or a talking interrupt with simple control by providing a connection terminal of a 4-th party to a multi-party speech trunk corresponding to the attendant board. CONSTITUTION:Attendant boards 101,103 are always connected to 1st party connection terminals 102-1,104-1 of multi-party speech trunks 102,104 and the attendant boards 101,103 and an office line trunk 106 or an extension subscriber 1-7 are connected by using 2nd connection terminals 102-4,104-2 of the multi- party speech trunks 102,104 corresponding to the attendant board or 3rd party connection terminals 102-3,104-3. Moreover, in the 3-party speech state among the attendant board 101, the office line trunk 106 and the extension subscriber 107, when the attendant board 103 applies interrupt operation to the attendant board 101, the attendant board 103 applies talking of interrupt to the 3-party speech among the attendant board 101, the office line trunk 106 and the extension subscriber 107 by connecting the 2nd party connection terminal 104-2 of the multi-party speech trunk 104 and the 4th party connection terminal 102-4 of the multi-party speech trunk 102.

Description

DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a communication path connection system for a relay stand in an automatic private branch exchange.

[Prior Art] Conventionally, one of the functions of an automatic private branch exchange is an inter-stand communication service function that connects relay stations with each other, and an inter-stand communication service function that connects calls handled by one relay stand to another relay stand. There is a transfer service function.

[Problems to be Solved by the Invention] The inter-machine communication service of the above-mentioned conventional system calls the relay console of the other party by operating the relay console, and responds by operating the relay console of the other party when it is not handling calls. , it is now possible to make calls between relay stations. In addition, the inter-machine transfer service allows calls handled by the attendant to be called by the attendant's attendant, and the attendant's attendant responds when the attendant's attendant is not handling calls. The call becomes a mutual call, and then by operating either relay console, the call can be transferred to the other party's relay console.

However, such conventional systems do not take into consideration the fact that the handling status of the attendant console can be listened to or interrupt calls are made on other attendant consoles, and the handling status of the attendant console cannot be listened to or interrupt calls made on other attendant consoles. There was a problem.

SUMMARY OF THE INVENTION An object of the present invention is to provide a relay stand communication path connection system that allows another relay stand to listen to the handling status of a relay stand or make an interrupt call through simple control.

[Means to solve the problem]

In order to achieve the above objective, a 4th party connection terminal is provided on the multiparty trunk, and the communication path between the relay console and the 1st party connection terminal of the multiparty trunk compatible with the relay console is always connected, and the relay console and The communication line connection for the central office line trunk or extension subscriber is connected to the second party connection terminal or third party connection terminal of the multi-party trunk compatible with the attendant console, and the connection with the attendant console for listening or interrupting calls is as follows: It is designed to be connected to a fourth party connection terminal of a multi-party call trunk compatible with an interrupt receiving stand.

[Effect]

The first-party connection terminal of the multi-party call trunk compatible with the attendant console is always connected to the attendant console, and the connection between the attendant console and the office line trunk or extension subscriber is connected to the second or third party connection terminal of the multi-party call trunk compatible with the attendant console. Connected to the other connection terminal. As a result, the voices of the attendant, the office line trunk, and the extension subscriber are always synthesized using the multi-party call trunk that supports the attendant, and the multi-party call trunk that supports the attendant or the interrupt attendant By connecting the fourth party connection terminal of the call trunk, it is possible to listen to the handling status of the relay stand or make an interrupt call at another relay stand.

[Example] Hereinafter, one embodiment of the present invention will be described in detail.

FIG. 1 shows a part of the block configuration of the main parts of an automatic private branch exchange for realizing the present invention.

In FIG. 1, ]01 and 103 are relay stations.

102 and 104 are multiparty call trunks, 1o5 is a network, 106 is a central office line trunk, 107 is an extension subscriber,
108 is a central control device.

The central control device 108 connects the relay stand 1゜l and the first party connection terminal 102-1 of the multi-party call trunk 102 in advance,
The relay console 103 and the first party connection terminal 101-1 of the multiparty call trunk 104 are connected to each other by controlling the network 105.

When there is an incoming call on the office line trunk 106 and the relay stand 101 responds, the central control unit 108 controls the network 105 and connects the office line trunk 106 and the second multiparty trunk 102.
By connecting the multi-party connection terminal 102-2, a call can be made between the relay stand 101 and the office line trunk 106 via the multi-party call trunk 102.

When the relay console 101 calls the extension subscriber 107 and the extension subscriber 107 responds, the central control unit 108 controls the network 105 and connects the extension subscriber 107 and the third party connection terminal 102-3 of the multiparty call trunk 102. By connecting, the relay stand 101
A three-way call can be made between the extension subscriber 107 and the central office trunk 1.06.

Relay console 101, office line trunk 106, and extension subscriber 10
7, when the relay console 103 performs an interrupt operation to the relay console 101, the central control unit 108 connects the second party connection terminal 104-2 of the multiparty trunk 104 and the multiparty trunk 1'. By controlling and connecting the fourth party connection terminal 102-4 of 02 to the network 105, the relay console 103 can interrupt a three-party call between the relay console 101, the office line trunk 106, and the extension subscriber 107.

FIG. 2 shows part of a state transition diagram for implementing the present invention.

In FIG. 2, 201 and 206 indicate the vacant state of the attendant, 202 indicates the communication state between the attendant and the central trunk, 203 indicates the state where the attendant is calling an extension subscriber, and 204 indicates the attendant has joined the extension. 205 is the status of the telephone call between the relay stand, central office trunk, and extension subscriber; 20
7 indicates a state in which the relay console is interrupting the call of another relay console, 208 is the network, and 209 is the relay console to be interrupted.

210 is a multi-party call trunk compatible with the relay console 209.

211 is a central office line trunk, 212 is a hold tone, 213 is a ringing tone, 214 is an extension subscriber, 215 is a relay console that interrupts the call on the relay console 209, and 216 is a multiparty call trunk compatible with the relay console 215.

In state 201, when relay stand 209 responds to an incoming call from office line trunk 211, network 208 is controlled to connect multiparty call trunk 210 and office line trunk 211, and transition is made to state 202.

In the situation @202, the relay console 209 connects the extension subscriber 214.
When the extension number is dialed, the network 208 is controlled to connect the holding tone 212 and the office line trunk 211, connect the multiparty call trunk 210 and the ringing tone 213, and transition the extension subscriber 214 to the ringing state 203.

In state 203, when extension subscriber 214 responds,
It controls the network 208, connects the multiparty call trunk 210 and the extension subscriber 214, stops calling the extension subscriber 214, and transitions to state 204.

In state 204, the relay board performs a champion call operation to control the network 208, connect the multiparty call trunk and the office line trunk 211, and transition to state 11B205.

The relay console 215 in state 206 performs an interrupt operation on the relay console 209 to control the network 208 and connect the multi-party call trunk 210 corresponding to the relay console 209 and the multi-party call trunk 216 corresponding to the relay console 210.
Transition to 07.

Interrupted relay console 209 is in an empty state 9201. .

State of the call status between the relay console and the central office trunk 202゜ State where the relay stand is calling an extension subscriber 203゜ State where the relay stand is talking with an extension subscriber 204゜ State between the relay stand and the central office line trunk and extension subscriber Even in the state 205 where the king is making a call, the interrupt relay console is changed from the state 206 to the state 207.
By switching to , you can make an interrupt call.

[Effects of the Invention] According to the present invention, since it is possible to listen in on the handling status of a relay console or make an interrupt call on another relay console, there is an effect of improving the business efficiency of the relay console.

Further, there is no need for a response operation on the relay stand to be interrupted, which has the effect of improving operability.

Furthermore, since the interrupt control can be performed without depending on the communication path connection state of the relay stand to be interrupted, there is an effect that the interrupt control can be simplified.

[Brief explanation of drawings]

FIG. 1 is a block diagram of an embodiment of the present invention, and FIG. 2 is a state transition diagram of the embodiment of the present invention. Fig. 2 101--One relay stand. 102---Multi-party trunk. 103---m-Relay stand. 104--Multi-party trunk. 105-----Network. 106----- Central office trunk. 107-----Extension subscriber. 108 - one central control unit.

Claims (1)

[Claims] 1. Always connect the call path between the relay stand and the multiparty trunk,
Connect the call path connections between the relay stand and the office line trunk and between the relay stand and the extension subscriber via the multi-party trunk, and connect the interrupt relay stand and the interrupted relay stand to the multi-party call trunk of the interrupted relay stand. A relay stand communication path connection method characterized by connecting to a fourth party connection terminal provided.