JPH0879809A - Telephone switching equipment - Google Patents

Abstract

(57) [Summary] [Purpose] Setting a busy for a new incoming call by a telephone number during an incoming call by automatic incoming call distribution processing, and prompting the disconnection of the incoming call line when the calling side cannot answer, Eliminate unnecessary waiting time on the calling side and improve its usability. [Structure] The extension telephone 2a is being extended to the extension telephones 2a to 2n of the ACD group through the exchange body 1 and during the call by the operator pressing the ACD key 21.
Send a busy signal for an incoming call to a unique telephone number or extension number of ~ 2n. This busy signal causes the calling party to quickly stop calling.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention provides a busy signal (busy signal) to an extension telephone that has received a call by automatic call distribution processing (ACD) when the call is received by a unique telephone number. The present invention relates to a telephone exchange device for sending.

[0002]

2. Description of the Related Art Conventionally, telephone exchanges have been equipped with automatic incoming call distribution processing (ACD), which is used for receiving mails for mail order, divides extension telephones into a plurality of groups, and evenly distributes incoming calls. There is an example. This telephone exchange is a private branch exchange that performs automatic incoming call distribution processing for incoming calls.
A plurality of extension telephones are connected, and the extension telephones answer the incoming call by the automatic incoming call distribution processing. In this case, the extension telephone is required to respond to an incoming call with the telephone number assigned to this extension telephone or the extension number together with the ACD key that is pressed when the incoming call is answered by the automatic incoming call distribution process. A prime key to press is provided.

In a telephone exchange equipped with such automatic incoming call distribution processing, the operator mainly presses the ACD key to respond to an incoming call to an extension telephone by the automatic incoming call distribution processing, and the extension An incoming call to the telephone number or extension number given to the telephone is not made in advance. For example, it is often the case that the telephone number or extension number given to the extension telephone set for which this automatic incoming call distribution processing is performed is not announced. In other words, it was general that no response was made by pressing the prime key.

In this way, the telephone number or extension number assigned to the extension telephone is not used. When an incoming call arrives at the extension telephone by the automatic incoming call distribution processing, the telephone number or extension number can be received. However, when the incoming call is made, the prime key is pressed after the automatic incoming call distribution process to make a response. In other words, if an incoming call arrives at the unique telephone number of this extension telephone during an incoming call by the automatic incoming call distribution process, a ringing tone will be continuously output to the calling side, and the calling side will wait for a long time. ,
It does not respond with a prime key.

[0005]

As described above, in the telephone exchange device of the above-mentioned conventional example, an incoming call to a telephone number or an extension number,
That is, although the incoming call to the prime key can be answered, the incoming call is sent after the incoming call by the automatic incoming call distribution process, which causes the calling side to wait for a long time. Therefore, in this type of telephone exchange, A
Focusing on the use of reception work by a dedicated operator by automatic incoming call distribution processing that responds by pressing the CD key, this automatic incoming call distribution processing business and other business using the unique telephone number of the extension telephone It was unsuitable to serve concurrently.

The present invention solves the above-mentioned drawbacks of the prior art, and it is an automatic incoming call distribution process (AC).
While receiving a call from D), you can also set busy (busy) for the call from the unique telephone number of this extension telephone, and promptly disconnect the call when it cannot answer, which is wasteful on the calling side. It is an object of the present invention to provide a telephone exchange device that eliminates unnecessary waiting time and improves its usability.

[0007]

In order to achieve the above object, a telephone exchange apparatus according to claim 1 accommodates a plurality of telephones to which telephone numbers are individually assigned, a central office line and a plurality of telephones. An exchange main body that processes outgoing and incoming calls and distributes incoming calls from the central office line evenly to the grouped extension telephones, and the extension that received the call by the automatic incoming call distribution processing on the exchange main body. The telephone is further provided with busy signal sending means for sending a busy signal to the incoming call when the incoming call is made at the unique telephone number of the extension telephone.

According to a second aspect of the present invention, there is provided a telephone exchange device in which the busy sending means is provided in each of the plurality of telephones or in the main body of the exchange.

According to another aspect of the present invention, in the telephone exchange apparatus, the exchange main body is provided with a storage means having a table for storing operation states of a plurality of telephones, and an extension telephone set which receives an incoming call by automatic incoming call distribution processing in the exchange main body. In addition, when an incoming call is made at the unique telephone number of this extension telephone, the contents stored in the table of this extension telephone are set to other than empty, and the busy sending means responds to the incoming call based on this setting. ,
A busy signal is transmitted.

According to another aspect of the present invention, there is provided a telephone exchange apparatus, wherein the plurality of telephones are provided with push-down keys for accepting incoming calls to individually assigned telephone numbers, and the extension telephones that receive an incoming call by an automatic incoming call distribution process, Furthermore, when an incoming call is made to the telephone number unique to this extension telephone, a busy signal is transmitted to this incoming call, and when this connection line is disconnected, the exchange main body and the extension telephone Is configured to accept incoming calls by pressing the key.

[0011]

According to the telephone exchange apparatus of the present invention having the above-mentioned structure, the extension telephone set which has received the call by the automatic incoming call distribution process in the exchange main body can receive the incoming call at the telephone number unique to the extension telephone set. If so, the stored contents of the table of the extension telephone that received the call are set to other than empty. Based on the settings other than the vacancy of this table, the busy signal sending means provided in each of the plurality of telephones or in the main body of the exchange sends the busy signal for the incoming call. Then, when the line connection is broken, the exchange main body and the extension telephone are set so that the incoming call can be accepted by the push key.

Therefore, the automatic incoming call distribution processing (AC
During the incoming call by D), the busy is set for the incoming call by the unique telephone number of this extension telephone, and promptly disconnects the incoming call line when the calling side cannot answer, and the calling side is useless. I try to eliminate the waiting time.

[0013]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Next, an embodiment of a telephone exchange device of the present invention will be described in detail with reference to the drawings. FIG. 1 is a block diagram showing the configuration of an embodiment of a telephone exchange device of the present invention. In FIG. 1, in this example, an exchange main body 1 accommodating a plurality of office lines La, Lb ... Ln, and an internal telephone call or an external telephone call is connected to the exchange main body 1 and will be described in detail with reference to FIGS. The extension telephones 2a, 2b, ...

The exchange main body 1 is connected to the office lines La to Ln, and is connected between the trunk circuits 3a, 3b ... 3n for processing incoming call detection, DC loop closure for line supplement, and the extension telephones 2a to 2n. Line circuits 5a and 5b for processing signals
.. 5n and the extension telephone 2 which controls the entire device and is divided into, for example, an automatic incoming call distribution processing (ACD) group.
A central control device 6 is provided for controlling the incoming calls to a, 2b ... 2n evenly.

Further, the control program and various regulation contents, for example, a memory 7 for storing setting data such as outside call regulation in advance, a maintenance terminal 8 for setting various regulation contents, and a central control unit. A switching circuit 9 for switching connection between the trunk circuits 3a to 3n and the line circuits 5a to 5n under the control of 6 to form a communication path, and for sending a signal sound signal or the like associated with various processes is provided. .

FIG. 2 is a block diagram showing an electrical configuration of the extension telephones 2a to 2n, and FIG. 3 is an extension telephones 2a to 2n.
It is a top view which shows the external appearance structure of n. 2 and 3, the extension telephones 2a to 2n include an input / output (I / O) signal processing circuit 12 for performing input / output processing of signals with the line circuits 5a to 5n, respectively, and a transmission signal. And a telephone circuit 13 for amplifying the received signal and performing side tone processing. Further, a microphone 14 that outputs a call transmission signal and a speaker 1 that outputs a received voice of an incoming call
5 and a handset 16 having

Further, a control unit 17 for controlling each unit of the extension telephones 2a to 2n and a memory 18 for storing various regulation contents and operation states of the extension telephones 2a to 2n in advance are provided. Further, a liquid crystal display (LCD) 19 for displaying an input telephone number and processing contents on a screen, a numeric keypad for inputting a telephone number, a keyboard 20 having a selection key for selecting a function, and an automatic incoming call distribution processing Blinks for an incoming call, and is pressed when answering A
A CD key 21 is provided. In addition, extension telephone 2
There are provided a prime key 22 that blinks when an incoming call is received to a telephone number or extension number assigned to a to 2n and is pressed when answering the incoming call, and a ringer 23 that emits a ringing tone.

Next, the operation of this embodiment will be described. In this telephone exchange device, the extension telephones 2a to 2n are divided into a plurality of ACD groups so as to receive calls evenly. The central control unit 6 controls the connection (call path formation) in the switching circuit 9 so that the extension telephones 2a to 2n of the ACD group receive calls evenly. The extension telephones 2a to 2n receiving the call by this ACD group are
A response can be made by pressing the D key 21. Also, AC
If there is no vacancy in the extension telephones 2a to 2n that have received a call in the D group, the central control unit 6 controls to hold the incoming call until the vacancy is made.

Next, a description will be given of the busy setting and cancellation of the incoming call by the unique telephone number of this extension telephone during the incoming call by the automatic incoming call distribution processing (ACD). FIG. 4 is a flowchart showing a processing procedure for performing busy setting when the extension telephones 2a to 2n receiving the call in the automatic incoming call distribution process further receive a call with a unique telephone number or extension number. In FIG. 4, when an incoming call arrives at the exchange main body 1 from the office lines La to Ln, the central control unit 6 of the exchange main body 1 controls the trunk circuits 3a to 3n, the exchange circuit 9 and the line circuits 5a to 5n, and the ACD group thereof. The extension telephones 2a to 2n are controlled to receive an incoming call. In the extension telephones 2a to 2n, the incoming call signal is sent to the ACD key 21 through the I / O signal processing circuit 12 and the control unit 17,
The lamp provided on the ACD key 21 blinks (step 11).

At the same time, the extension telephones 2a to 2n are set to busy. This setting is performed by setting "restricted" other than "vacant" in the operation state table for each of the extension telephones 2a to 2n (telephone numbers) provided in the memory 7 shown in FIG.

FIG. 5 is a diagram showing an operation state table for each of the extension telephones 2a to 2n (telephone numbers) provided in the memory 7 shown in FIG. In FIG. 5, in this example, the unique telephone numbers “3000, 3001,” of the extension telephones 2a to 2n are used.
", 3002, 3003 ..." The operating states thereof are set to "empty, busy, restricted, free ..." (step 12).

Further, the exchange main body 1 sends a call signal to the extension telephones 2a to 2n of the ACD group. In the extension telephones 2a to 2n, this call signal is I / O
The signal is sent to the ringer 23 through the O signal processing circuit 12 and the control unit 17, and a ringing sound is emitted (step 1).
3). Extension telephones 2a to 2n based on this ringing tone
The operator depresses the ACD key 21 to respond to the automatic incoming call distribution process (step 14). This response is notified to the exchange main body 1 through the control unit 17 and the I / O signal processing circuit 12 (step 15).

In the exchange main body 1, the central control unit 6 controls to stop calling and the trunk circuits 3a ...
3n, the switching circuit 9 and the line circuits 5a to 5n are controlled to form a speech path (step 16). After that, the extension telephones 2a to 2n make a call for automatic incoming call distribution processing. The call on the extension telephones 2a to 2n is completed,
The on-hook signal is notified to the exchange main body 1 (steps 17 and 18).

In the exchange main body 1, the central control unit 6 has a trunk circuit 3a to 3n, an exchange circuit 9 and line circuits 5a to 5n.
n is controlled to disconnect the communication path, and the on-hook signal is sent to the exchange station of the circuit network (not shown) through the office lines La to Ln (step 19). At the same time, under the control of the central control unit 6, the setting of the operation state table provided in the memory 7 shown in FIG. 5 of the extension telephones 2a to 2n receiving the call is returned to "empty" (step 20).

The above steps 13 to 20 are processes for setting the extension telephones 2a to 2n receiving the call by the automatic incoming call distribution process to busy for the call to the unique telephone number or extension number. Is. Therefore,
During a call to the extension telephones 2a to 2n of the ACD group and during a call when the operator presses the ACD key 21, a new incoming call (calling side) by a unique telephone number or extension number of the extension telephones 2a to 2n is made. ) To the busy signal. As a result, the incoming call to the lime key 22 is quickly stopped on the calling side. In other words, the incoming call when the extension telephones 2a to 2n of the incoming ACD group cannot answer is set to busy. That is, the caller side is prompted to disconnect the connection line, eliminating unnecessary waiting time and improving its usability.

FIG. 6 shows restrictions on incoming calls at the unique telephone numbers or extension numbers of the extension telephones 2a to 2n during the incoming call regulation shown in FIG. 5 (see the telephone number "3002" of the extension telephone in FIG. 5). It is a flow chart which shows the processing procedure of cancellation. In FIG. 6, the extension telephone 2 under incoming call regulation
When an incoming call is made with a unique telephone number or extension number a to 2n, the operation state table provided in the memory 7 shown in FIG. 5 is referred to (steps 41 and 42).

In the case of "restricted", that is, other than "vacant", the exchange main body 1 sends a busy signal from the office lines La to Ln to the calling side through the exchange station of the line network (not shown) ( Step 43). In addition, if it is not "restricted" in step 42 and the incoming call is not made with the unique telephone number or extension number of the extension telephones 2a to 2n, that is, if there is no incoming call to the prime key 22, this The extension telephones 2a to 2n are "vacant", and the extension telephone 2
Incoming calls with telephone numbers a to 2n or extensions are processed (step 44).

[0028]

As is apparent from the above description, according to the telephone exchange device of the first to fourth aspects, the extension telephone set which has received the call by the automatic incoming call distribution process in the exchange main body is further When there is an incoming call with a unique telephone number, the stored contents of the table of the extension telephone that received the call are set to other than empty, and based on this setting, it is provided for each of the multiple telephones or in the main body of the switchboard and busy. The sending means sends a busy signal for the incoming call. When the line connection is cut off, the switch body and the extension telephone are set so that the incoming call can be accepted by pressing the key. It can be set to busy for an incoming call by telephone number, and promptly disconnects the incoming call when the calling party cannot answer, eliminating unnecessary waiting time on the calling side and improving the usability. Have.

[Brief description of drawings]

FIG. 1 is a block diagram showing a configuration of an embodiment of a telephone exchange device of the present invention.

FIG. 2 is a block diagram showing an electrical configuration of the extension telephone set shown in FIG.

FIG. 3 is a top view showing an external configuration of the extension telephone set shown in FIG.

FIG. 4 is a flowchart showing a processing procedure in the operation of the embodiment for performing busy setting when an extension telephone set that has received an incoming call by the automatic incoming call distribution process is further received by a unique telephone number or extension number. .

5 is a diagram showing an operation state table for each extension telephone set provided in the memory shown in FIG.

FIG. 6 is a flowchart showing a processing procedure for releasing the restriction of an extension telephone set which is under incoming call restriction in the embodiment.

[Explanation of symbols]

 1 Switch main body 2a to 2n Extension telephone 3a to 3n Trunk circuit 5a to 5n Line circuit 6 Central control unit 7,18 Memory 9 Exchange circuit 13 Telephone circuit 17 Control unit 21 ACD key 22 Prime key

Claims (4)

[Claims] 1. An extension telephone in which a plurality of telephones to which telephone numbers are individually assigned, a central office line and the plurality of telephones are accommodated to process outgoing and incoming calls, and incoming calls from the central office line are grouped. The exchange main body that performs automatic incoming call distribution processing that evenly distributes calls to the extension and the extension telephone that received the call through the automatic incoming call distribution processing on the exchange main body, and the incoming call was received at the unique telephone number of this extension telephone. In this case, the telephone exchange device is provided with: busy sending means for sending a busy signal to the incoming call. 2. The telephone exchange device according to claim 1, wherein the busy transmission means is provided in each of the plurality of telephones or in the exchange main body. 3. The main body of the exchange is provided with a storage means having a table for storing the operating states of a plurality of telephones, and the extension telephones received by the automatic incoming call distribution processing in the main body of the exchange are further provided. When an incoming call is made with a unique telephone number, the stored contents of the table of this extension telephone are set to other than empty, and the busy sending means sends a busy signal to the incoming call based on this setting. The telephone exchange apparatus according to claim 1, wherein the telephone exchange apparatus is a telephone exchange apparatus. 4. The plurality of telephones are provided with push keys for accepting incoming calls to individually assigned telephone numbers,
When an extension telephone that has received a call by the automatic incoming call distribution process receives an incoming call at a unique telephone number of this extension telephone, a busy signal is sent to this extension and this connection line 2. The telephone exchange apparatus according to claim 1, wherein when the call is disconnected, the main body of the exchange and the extension telephone set are set so as to be able to receive an incoming call with the push key.