JP2853668B2 - Electronic switching system with call back proxy setting function - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an electronic switching system, and more particularly, to an electronic exchange system in which a caller requests a substitute caller to make a call, and when the caller makes a call, the other party is busy. In the recall processing method, the caller is set to the caller by the operation of the proxy caller, and the caller returns to the caller when the callee becomes free. .

[0002]

2. Description of the Related Art For example, Japanese Patent Laid-Open Publication No.
No. 136,754 discloses that when a caller encounters during the other party's talk and then leaves his / her seat and moves to another place, he / she dials the special number for automatic call back and the destination phone number, and when the other party's call becomes free. Calls can be made to the destination phone instead of the original seat, so that the caller does not need to call back again even if the other party is busy and moves immediately. There has been proposed a call forwarding call recall system that can automatically receive a call recall.

[0003]

The above-mentioned conventional call forwarding / callback system has the following problems.

[0004] The first problem is that, since a telephone number to be called back is set by a dialing operation, when a call is made by a substitute caller associated with a plurality of call requesters, the caller receives the call request. This means that there is a possibility of making an error in the setting of the dialing destination when setting the dialing by determining the telephone number of the dialing destination.

[0005] The second problem is that since the call is fixed to be recalled to the destination telephone number, the call requester is busy when the call is returned to the call requester. If that happens, the recall will fail.

Accordingly, the present invention has been made in view of the above circumstances, and has as its object the purpose of making a call destination party busy when a substitute caller makes a call in response to a call request from a call requester. It is an object of the present invention to provide an electronic switching system in which a subscriber number of a caller is specified by a simple method as a destination to be called back in order to avoid occurrence of a wrong setting of a called back destination.

Further, according to the present invention, when a call requester of a call-back destination is busy at the time of a call-back, the call-back is switched to a substitute call-source, and an electronic call which enables a more reliable call-back response. It is intended to provide a switching system.

[0008]

In order to achieve the above object, an electronic exchange system according to the present invention is provided in an electronic exchange system having storage means for registering the correspondence between a call requester and a proxy caller. Means for calling the proxy caller and requesting a call, means for storing the number of the call requester who has been called for the proxy caller, and when the proxy caller makes a call instead of the caller In the case where the other party is busy, by pressing a service number or a predetermined service designation button of the terminal, a call back to the caller is set when the destination becomes idle. Means for calling the caller when the callee becomes idle.

The principle and operation of the present invention will be described below. The present invention relates to a method in which, when a proxy caller makes a call in response to a call request from a call requester, the callee becomes busy due to a predetermined operation of the caller when the callee is busy. Is set to the caller's telephone as the destination of the call.

More specifically, according to the present invention, when a caller calls a substitute caller, means for storing the number of the caller who has been called in response to the substitute caller, If the other party is busy when the call is made, press the service number or the service designation button to set up a call back to the caller when the destination becomes free. Have.

Another feature is that, when the terminal of the caller to be called back is busy, the call is switched to the terminal of the substitute caller.

More specifically, it includes means for switching the call back destination to the substitute caller when the call back to the call requester has elapsed for a predetermined time.

According to the present invention, when a caller calls a substitute caller, the caller who has received the call is stored in correspondence with the substitute caller so that the caller can call back. When registering, there is no need to specify the dial number of the caller as the destination to call back. In addition, when a certain period of time elapses after returning to the call requester, the call destination is switched to the substitute caller, so that it is possible to respond to the call back even when the call requester is busy.

According to the present invention, for example, when there are a plurality of call requesters for a substitute caller, when the substitute caller sets up a call back during the calling party, the call back destination is set to the call requester. This is more effective in preventing a transfer error than a case in which a substitute caller receives a call back and determines and transmits a caller.

[0015]

Embodiments of the present invention will be described in detail with reference to the drawings. FIG. 1 is a diagram showing a configuration of the first exemplary embodiment of the present invention.

Referring to FIG. 1, in a first embodiment of the present invention, a call control device 2 controls call connection to an electronic exchange 1, and a storage device 3 stores subscriber information and service information. The information is stored and the call control device 2
Works.

The call control device 2 controls a protocol control device 4 for controlling a protocol with the terminal, and through a terminal interface device 5 for realizing an interface with the terminal, a terminal 6 of the call requester and a caller of the proxy caller. The terminal 7 and the destination terminal 8 are controlled.

By pressing the substitute sender line key 9 of the originator terminal 6, the substitute sender terminal 7 can be called.

Then, by depressing the transmission requester line key 10 of the terminal 7 of the proxy transmitter, the subscriber number of the terminal 6 of the transmission requester is changed at the time of receiving the request. The information is recorded in the storage device 3 in association with the terminal 7 of the caller.

An example for more specifically describing the above-described embodiment of the present invention will be described below with reference to a processing flow shown as a flowchart in FIG.

First, when an incoming call is received from the terminal 6 of the caller to the terminal 7 of the substitute caller (step S21), the storage device 3 stores the caller's The subscriber number is stored (step S22).

After the substitute sender terminal 7 is restored, the subscriber number of the destination terminal 8 is designated by using the substitute sender terminal line key 9 of the substitute sender terminal 7 and the call is transmitted (step S23).

When the destination terminal 8 is busy (step S24), the agent terminal 7 listens for a busy tone.

Return call designation key 11 of proxy sender terminal 7
To start the call back service (step S
25).

The monitoring is continued until the destination terminal 8 becomes empty (step S27). When the terminal becomes empty, the storage device 3 is searched, and a call request corresponding to the substitute caller number which has started the call back is requested. Obtain the subscriber number of the user (step S2
8), it is determined whether the outgoing caller terminal 6 is busy (step S29).

If the transmission request terminal 6 is empty,
Call back to the caller terminal 6 (step S3)
0).

On the other hand, if the call originator terminal is busy, it is determined whether the substitute caller terminal is busy (step S33), and if it is free, a process of calling back to the substitute caller terminal is performed (step S33). Step S34).

In the determination process of step S34, if the substitute transmission terminal is busy, after waiting for a predetermined time (step S32), the determination whether the transmission requester terminal is busy is repeated again.

Next, a second embodiment of the present invention will be described with reference to FIG.

In this embodiment, the destination terminal 8
Are connected to the destination electronic exchange 12 by a trunk line interface device 13. Thus, the destination terminal 8
However, even when connected to the destination electronic exchange 12, the same operation as in the first embodiment can be performed.

[0031]

As described above, according to the present invention,
The following effects are obtained.

The first effect is that when a caller is set as a call-back destination, the caller can be set without setting the telephone number of the caller. This makes it possible to prevent setting errors.

The reason is that, in the present invention, when a caller calls a substitute caller and requests a call, the dial number of the caller is stored in the storage unit in association with the substitute caller. This is because the storage destination is used to determine the recall destination.

The second effect is that, when a certain period of time elapses after a call back to the caller, the call back destination can be switched to the substitute caller. Thereby, reception omission can be prevented.

The reason is that in the present invention, the relationship between the call requester and the proxy caller is stored in the electronic exchange system, and the connection can be switched using the information. It depends.

[Brief description of the drawings]

FIG. 1 is a block diagram showing a main part of an electronic exchange system according to an embodiment of the present invention.

FIG. 2 is a flowchart for explaining the operation of one embodiment of the present invention.

FIG. 3 is a block diagram showing a main part of an electronic exchange system according to another embodiment of the present invention.

[Explanation of symbols]

 REFERENCE SIGNS LIST 1 electronic exchange 2 call control device 3 storage device 4 protocol control device 5 terminal interface device 6 terminal of caller 7 terminal of substitute caller 8 destination terminal 9 substitute caller line key of caller terminal 10 substitute caller terminal Caller's requester's line key 11 Recall designation key 12 Destination electronic exchange 13 Transit line interface device

Continuation of the front page (58) Field surveyed (Int.Cl. ⁶ , DB name) H04M 1/00 H04M 1/24 H04M 1/58-1/62 H04M 1/66-1/78 H04M 3/42-3 / 58 H04M 3/60 H04M 11/00-11/10 H04Q 3/58-3/62

Claims (5)

(57) [Claims] When 1. A caller requester requests the outgoing call proxy caller stores the subscriber number of the originating requester in the storage unit in association with said proxy caller, calling tip
If the end is busy, operation from the proxy caller terminal
By using the information stored in the storage unit, the caller of the call destination is automatically determined, and the caller
When the terminal becomes available, the call is sent from the destination terminal
An electronic exchange system that returns a call to a client . 2. An electronic exchange system having storage means for registering a correspondence relationship between a caller and a proxy caller, wherein when the caller calls the proxy caller and requests transmission, the caller responds to the caller request. Means for storing the number of the caller who received the call, and when the proxy caller made a call on behalf of the caller, if the other party was busy, the service number or the predetermined number of the terminal Means for setting a call back to the caller when the callee becomes idle by pressing the service designation button, and when the callee becomes idle, An electronic exchange system for calling a caller. 3. A system according to claim 2, further comprising means for switching a return destination to said call requester to said proxy caller when said call back to said call requester has passed a predetermined time. An electronic exchange system according to claim 1. 4. The electronic exchange system according to claim 2, wherein one or a plurality of said call requesters are set for said proxy caller. 5. The electronic exchange system according to claim 2, wherein one or more of the proxy transmission requesters are set for the transmission requestor.