JPH05236129A - Call system for incoming call at busy state - Google Patents

Abstract

PURPOSE:To allow the system to reply to a 3rd party without interrupting an important conversation by calling a transfer destination registered in advance through the operation of a prescribed transfer button even when a called party subjected to individual incoming call is in an important talking. CONSTITUTION:An extension telephone set code such as a telephone number of a transfer destination for each telephone number or an accommodated position code of a channel switch 1 is registered to a transfer destination number memory 8 for a busy state incoming call from an extension having the telephone set code and stored. Then, a call controller 5 receiving the incoming call to a busy pushbutton telephone set 41 sends the incoming call information to the pushbutton telephone set 41. Character information included in the incoming call information is displayed on a character display device of the pushbutton telephone set 41 and a talker is informed of the character display by an audible signal. The call controller 5 receiving the control information of a transfer button operated by the pushbutton telephone set 41 retrieves the transfer destination number from the transfer destination number memory 8 to call the retrieved telephone set 42.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a call control unit of a telephone apparatus which connects a plurality of telephones with buttons as extensions, and notifies the telephone being connected to another telephone that there is another incoming call. This is related to the call system for incoming calls.

[0002]

2. Description of the Related Art In recent years, telephone devices such as a private automatic switching device and a key telephone device having a plurality of extension telephones have an individual call reception service in which a telephone line of the telephone exchange device is used as an external line to directly receive an extension telephone, or a so-called dial-in service. It is equipped with services and additional dial services.

FIG. 3 is a flow chart showing an example of a processing procedure for making an incoming call to a busy extension when an individual call is made to the telephone device from an outside line. The telephone device identifies the called extension of the connection destination by the incoming call from the outside line (step S11), and when the busy state of the called extension is detected (step S12), the call extension by the incoming call when the called extension is busy is permitted. After confirming that the call is registered in advance (step S13), the incoming call information is sent to the called extension being busy (step S14).

The incoming call information received by the telephone of the called extension is
It is an incoming call waiting tone when a call is connected to the handset via the communication path and character display information on the character display board. Step S
Depending on the telephone device, 13 does not have special registration and sends incoming call information to all extensions, so that the process may directly proceed from step S12 to step S14.

FIG. 4 is a flowchart showing an example of a processing procedure in which the called extension, which receives the information of the incoming call during busy, responds to the incoming call. The switching device receives the hold designation of the busy call from the busy extension, disconnects the call path, sends a hold waiting tone, and receives response information to the incoming call to connect the call path (step S
21) Do.

When the dialogue formed in step S21 is completed (step S22), the exchange receives the request for re-calling the hold call from the extension (step S23), restores the state, and ends the procedure. When the dialogue is interrupted in step S22, the switching device holds the dialogue call by a request from the extension, calls the held call until then, and connects (step S24).
Return to.

[0007] In the conventional ringing method for incoming call during busy, when there is an incoming call by an individual call in the busy extension and the called party does not answer the incoming call, the calling party who is calling gives up the call. Has no means of contacting the caller until the call is disconnected.

FIG. 5 is a flow chart showing an example of a conventional main procedure. In FIG. 5, the procedure S91 of the call extension of the individual call of the individual call is the procedure from step S11 to step S14 in FIG. 3, and the response procedure S20 to the call reception during busy is the procedure S21 to step S23 shown in FIG. Up to the procedure.

According to FIG. 5, when a busy extension has an incoming call by an individual call (procedure S91) and the called extension responds (procedure S92), a procedure for responding to the incoming call during busy (procedure S2).
After 0), the procedure ends.

If there is no response in step S92 and the caller gives up the call connection and disconnects (step S93), the incoming call to the busy extension is released (step S94) and the system status is Restore.

[0011]

As described above, according to the conventional call-in-call system during busy call, if the called party does not answer, whether the calling party waits for a response or gives up and calls again. , Either of the procedures is required, so to notify the calling party of the information that the called party is present and busy, you must hold the interactive call and accept the incoming call even during an important dialog. There was a problem in service operation that the caller could not get the information, or the caller could not convey the emergency requirement.

An object of the present invention is to solve the above-mentioned problems by operating a predetermined transfer button of a telephone to transfer an incoming call when the telephone is busy to a telephone set in advance and answering the call. To provide a calling method of.

[0013]

In the calling system for incoming call during busy according to the present invention, a telephone device accommodating and connecting a plurality of telephones with buttons as extensions has a forwarding number memory, and this forwarding memory is The transfer destination for transferring an incoming call during mid-time is registered and stored in advance for each extension telephone, and the call control unit of the telephone device notifies another extension call to the extension telephone that is connected to the call, and the extension telephone sets a predetermined transfer button. When the operation information is received, the transfer destination number corresponding to the telephone is indexed from the transfer destination memory and the telephone having the indexed number is called.

[0014]

The present invention will be described below with reference to the drawings.

FIG. 1 is a block diagram showing an embodiment of the present invention, and FIG. 2 is a flow chart showing an example of a main operation procedure according to FIG.

Referring to FIG. 1, the telephone device comprises a speech path switch 1, an outside line circuit 2, an extension line circuit 3, telephones with buttons 41 and 42,
The call control device 5, the line state memory 6, the busy incoming call service registration memory 7, and the forwarding number memory 8 of the incoming call during busy
have.

The call path switch 1 accommodates and connects the telephone line of the telephone exchange device via the outside line circuit 2 and the plurality of button telephone sets 41 and 42 via the extension line circuit 3, respectively. Mutual call connections are controlled.

The call control device 5 exchanges signal information with a telephone exchange device (not shown) via the outside line circuit 2, and exchanges signal information with the telephones with buttons 41 and 42 via the extension circuit 3. By doing so, the line states of the outside line and the extension line are recorded in the line state memory 6 together with the connection information and used for call connection control.

The busy incoming call service registration memory 7 is necessary when a part of the extension telephones 41 and 42 with buttons does not receive the incoming call indicating service when busy. At least one of an audible notification that "there is a call by an individual incoming call", a lamp display, and a character display is transmitted by the call control device 5 to an extension for which the busy incoming call service is registered even if the extension is busy. It

The transfer destination number memory 8 for incoming call during busy is preregistered with the extension telephone code, for example, the telephone number of the transfer destination for each telephone number or accommodation position code of the communication path switch 1. Be remembered. In the present invention, the transfer destination number memory 8 is provided, and the call control device 5 makes full use of the program and data to execute the procedure of FIG.

Next, referring to FIG. 2 together with FIG. 1, the main operation procedure of this embodiment will be described.

In FIG. 2, an incoming call procedure S1 to the busy extension of the individual call and a response procedure S20 to the busy incoming call that responds to the incoming call (step S2) are shown in FIGS. 3 and 4, respectively.
Since the procedure is the same as that described with reference to, the description thereof is omitted here.

Upon receipt of the incoming call to the telephone set with button 41 that is busy in step S1, the call control device 5 sends the incoming call information to the telephone set with button 41. The button-equipped telephone 41 having multiple functions displays the character information included in the incoming call information on the character display and notifies the caller of the character display by the audible signal. With a single-function telephone with a button, a predetermined audible sound is transmitted to the line in use.

When a predetermined response operation is performed by receiving the incoming call information, the call control device 5 receives the response operation information from the telephone with a button (step S2) and responds to the incoming call during busy (step S2).
0) Perform the operation. The call control device 5 that has not received the incoming call information in step S2 and has received the operation information of the transfer button for which the predetermined transfer button was operated by the button-equipped telephone 41 (step S3).
Refers to the transfer destination number (for example) 42 corresponding to the telephone 41 that has transmitted the transfer button operation information from the transfer destination number memory 8 (step S4), and calls the telephone 42 with the indexed transfer destination number (step S5). To end the procedure.

If the transfer button is not operated in step S3, the call control device 5 releases the incoming call (step S7) after waiting for disconnection of the calling party (step S6).

Although not shown, if the transfer destination is a reception telephone or a reception stand and the display of a transfer call can be displayed in text or an audible notification can be made, even if the transfer destination is busy, an internal regulation can be set once.

[0027]

As described above, according to the present invention, the telephone device has the transfer destination number memory, and when the operation information of the predetermined transfer button of the button telephone which is the extension is received, the call control device transfers the information. It has a configuration to transfer an incoming call to the extension telephone of the destination number, and by calling the transfer destination registered in advance by operating the predetermined transfer button even when the called party who received an individual call is in an important conversation. , The improvement effect of the operation service that the response of the third party can be dealt with without interrupting the important dialogue can be obtained.

[Brief description of drawings]

FIG. 1 is a block diagram showing an embodiment of a calling system for an incoming call during a call according to the present invention.

FIG. 2 is a flowchart showing an example of a main operation procedure of the present embodiment.

FIG. 3 is a flowchart showing an example of details of a conventional operation.

FIG. 4 is a flowchart showing an example of details of a conventional operation.

FIG. 5 is a flowchart showing an example of the entire conventional operation.

[Explanation of symbols]

 1 call path switch 2 outside line circuit 3 extension line circuit 5 call control device 6 line state memory 8 transfer destination number memory 41, 42 telephone with button

Claims (1)

[Claims] 1. A call-in-call method for a busy-end call in which a call control unit of a telephone device accommodating and connecting a plurality of telephones with buttons as an extension notifies a telephone being connected to another telephone that there is another incoming call. In the telephone call, the telephone device has a transfer destination number memory for preregistering a transfer destination number for transferring an incoming call when the telephone is busy, and the call control unit notifies another incoming call. When receiving the operation information of a predetermined transfer button from the extension telephone being connected, the transfer destination number corresponding to the telephone is indexed from the transfer destination number memory to call the telephone with the index number. Call method.