JPH03195165A - Holding and transferring system for exchange - Google Patents

Abstract

PURPOSE:To execute transfer by vocally notifying a self-extension number and to make an operation easy by storing the extension number of an extension telephone set holding a trunk line corresponding to the trunk line to be held. CONSTITUTION:A memory 5 is provided to store the extension numbers of extension telephone sets T1-Tn holding trunk lines L1-Ln corresponding to the trunk lines L1-Ln to be held. When the extension telephone sets T1-Tn execute holding operations, the extension numbers are stored in the memory 5 and when a responding operation is executed to the held trunk line, the extension number is dialed. Then, the held trunk line is retrieved from the dialed number and the trunk lines L1-Ln are connected with the extension telephone sets T1-Tn executing the responding operations. Thus, by dialing the extension number notified from the extension on a holding side at the time of the responding operation, the held trunk line is retrieved while being collated with the extension number stored at the time of holding, and can be connected with the extension telephone set executing the responding operation, and the operation is made easy.

Description

DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a hold transfer system in a private branch exchange.

[Conventional technology]

In the conventional central office line hold transfer system, when an extension telephone that is talking to a central office line performs a hold operation, the central office line is put on hold.

The extension telephone attempting to answer the second held central office line shall:
By dialing the relevant office line number when answering,
It becomes possible to respond to the hold station line.

In order to know the above-mentioned station line number at this time, it is normal to have a station line display board, etc. that clearly indicates the station line number and indicates the status of the station line by blinking, etc. There were restrictions such as that it had to be installed in a place where it could be easily seen.

[Problem that the invention seeks to solve]

In order to solve the above-mentioned problems, the present invention has the following objectives:
The attempt was made to allow the user to answer by dialing the extension number of the extension telephone that placed the caller on hold.

[Means for solving problems]

Therefore, the present invention provides a memory that stores the extension number of the extension telephone that has put the office line on hold in association with the office line that is put on hold, and stores the extension number in the memory when the extension telephone is put on hold. When answering a central office line, an extension number is dialed, the corresponding holding office line is searched from the dialed number, and the political office line and the extension telephone on which the above answering operation was performed are connected.

[Effect]

According to the above configuration, when an answer operation is performed, if the extension number given from the extension on the holding side is dialed, the extension number stored at the time of the hold is checked, the corresponding holding station line is searched, and the answer operation is performed. The extension phone you used will be connected.

〔Example〕

FIG. 1 is a schematic diagram of an exchange showing an embodiment of the present invention;
FIG. 2 is a hold memory that stores held trunks, FIG. 3 is a flowchart of the hold operation, and FIG. 4 is a flowchart of the response operation.

L1 to L, , are the office lines, 1 is the office line interface, 2 is the exchange switch, 3 is the extension interface, T1 to T are the telephones, 4 is the central processing unit, 5 is the holding memory, and 6 is for signal tone transmission. A sound source, 7 is a control bus. The central processing unit 4 controls the office line interface 1, exchange switch 2, extension line interface 3, and sound source 6 via the control bus 7 using programs and system data stored in internal memory (ROM and RAM), and the telephone TI -Tn performs operations as an exchange, such as making calls to the office line Ll-L, and responding to incoming calls from the office line L1 to L1 through telephones @T and -T.

Now, for example, while telephone T1 is talking to central office line L2, this -
If you put it on hold and try to transfer it to phone T2,
, when a specific operation for holding is performed (for example, flashing with a hook switch), the central processing unit 4 detects this through the extension interface 3, and
The central office line (number) in use is identified from the control information for the exchange switch 2. (In this case, the office line L2 is identified.) Next, the central processing unit 4 controls the office line interface l to put the office line L2 on hold, and also controls the exchange switch 2 to connect the sound source to the office line L2. Connect 6. This causes the hold tone to be sent to the other party.

On the other hand, the central processing unit 4 controls the reservation memory 5 and
The extension number (for example, r31J) of the telephone T that performed the above-mentioned hold operation is stored in the memory area corresponding to No. 2. (See Figure 2) At the telephone T that performed the hold operation, the telephone T that should be transferred
2, verbally inform him of the transfer along with his own extension number ``31j.''

Next, telephone T2 performs a specific operation for receiving the transfer (for example, dialing number "9") and then dials the extension number "3".
1" by dialing. As a result, the central processing unit 4
reads the hold memory 5, identifies the office line L2 from the memory area where the extension number "31" is stored, and controls the office line interface 1 and exchange switch 2,
The station line L2 is released from hold and connected to the telephone II Tz.

Furthermore, the central processing unit 4 sets "31" in the memory area corresponding to the office line L2 of the holding memory 5 to the extension number "3" of the telephone adz.
2”. This allows retransfer by repeating the same operations as described above. The operation of the central processing unit 4 described above is as shown in FIGS. 3 and 4.

Note that if the central processing unit 4 is set so that the central office line number and extension number do not overlap, even if the central processing unit 4 receives the central processing unit 4 the central processing unit 4 when the central processing unit 4 receives the central office line number during a hold response operation, it will be possible to capture the central office line, which is different from the conventional transfer method. It can also be used in conjunction with a key telephone, and even if a combination of key telephones and stand-alone telephones are accommodated in an extension, the advantages of hold transfers using key telephones can also be utilized.

〔Effect of the invention〕

As explained above, according to the present invention, transfer is performed by verbally announcing one's own extension number, so there is no need to know the central office line (number) where the call is being made, which eliminates the drawbacks of conventional transfer methods. be able to.

[Brief explanation of drawings]

FIG. 1 is a block diagram of an exchange showing an embodiment of the present invention, FIG. 2 is a reservation memory for storing reserved trunks, and FIG.
The figure is a flowchart of the hold operation, and FIG. 4 is the flowchart of the response operation. L, ~L7...Station line, 1...Station line interface, 2
・・Exchange switch, 3・・Extension interface, 4・・・
Central processing unit, 5. Holding memory, 6. Sound source for signal tone transmission, 79. control bus

Claims (1)

[Claims] A memory is provided to store the extension number of the extension telephone that has put the telephone line on hold in association with the telephone line that is put on hold, and when the telephone extension is operated on hold, the extension number is stored in the memory and a response to the telephone line is answered. A hold transfer system for an exchange, characterized in that an extension number is dialed at the time of operation, a corresponding holding office line is searched from the dialed number, and the office line is connected to the extension telephone that has performed the answering operation.