JPH01162045A - Automatic dial system in telephone set - Google Patents

Abstract

PURPOSE:To eliminate necessity for a user to execute dial operation every time and to allow the operation to be convenient by connecting a busy tone detecting device to a telephone circuit after a subscriber executes a dialing, reading another telephone number from a telephone number storage when a busy tone is detected and automatically executing the dialing. CONSTITUTION:When the user executes the off-hook of a transmitter-receiver 8, a hooking device 6 connects a manual dialing equipment 2 and a busy tone detecting device 5 through a circuit connecting device 7 to a trunk line 10. The user dials the called telephone number with manual operation, however, when the called party is in busy, the busy tone is detected by the busy tone detecting device 5 and the telephone number to be dialed just now is delivered to a telephone number storage 4. Then, the telephone number to be next dialed is requested. When the delivered telephone number is registered, the telephone number storage 4 returns the other telephone number in the same group. The busy tone detecting device 5 once instructs disconnection to the hooking device 6 and instructs an automatic dialing equipment 3 to dial the telephone number which is received from the telephone number storage 4.

Description

[Detailed description of the invention] [Industrial application field] The present invention relates to an automatic dialing system in telephones.

[Conventional technology]

Conventionally, when making a call to a subscriber who has been assigned multiple telephone numbers, if the subscriber has subscribed to a representative selection service provided by the exchange, the user can use one of the representative numbers. If you dial , the exchange will automatically select an available subscriber's telephone number and receive the call, but if you have not subscribed to the representative selection service, the exchange will call you every time the other subscriber is busy. I had to listen to the busy tone sent by the phone and dial the other phone number assigned to me.

[The pressure point that the invention seeks to solve]

With the above-mentioned telephones, the user has to dial the other party's telephone number each time the call is busy, which is extremely cumbersome, even though the telephone number to be dialed is always the same group of telephone numbers. An operation is requested. Therefore, it is an object of the present invention to provide an automatic dialing system that solves these problems and eliminates the need to perform dialing operations for each party to which a plurality of telephone numbers are assigned.

[Means for solving problems]

The automatic dialing system in the telephone of the present invention includes a telephone number storage device that stores telephone numbers, a busy tone detection device that detects busy tone, and automatically dials the telephone number stored in the telephone number storage device. If the subscriber connects the busy tone detection device to the telephone line after the subscriber dials and detects a busy tone, another telephone number is read from the telephone number storage device and the telephone number is read out from the telephone number storage device. It is configured to automatically dial the phone number.

〔Example〕

Next, embodiments of the present invention will be described with reference to the drawings.

Referring to the figure showing one embodiment of the present invention, the telephone 1 is comprised of the following devices. The manual dialing device 2 sends a telephone number to the exchange 9 by a user's manual dialing operation. The automatic dialing device 3 automatically dials the telephone number instructed by the busy tone detection device 5. The telephone number storage device 4 stores telephone numbers that have a plurality of telephone numbers and can be dialed as a group, and determines whether the telephone numbers belong to the same group according to instructions from the busy tone detection device 5. The busy tone detection device 5 is connected to the central office line 1.
Connected to 0 and busy from exchange 9? A spear is detected and an instruction is issued to the telephone number storage device 4 and the hook device 6 for automatic dialing. The hook device 6 performs calling (off-footer) and disconnection (on-hook) to the central office line 10 in response to the subscriber's operation of the handset 8 and instructions from the busy tone detection device 5. The circuit connection device 7 includes a manual dialing device 2 and an automatic dialing device 3.
, the busy tone detection device 5 and handset 8 are connected to the office line 10.

In such a telephone 1, when the user takes the handset 8, which is hooked up to the hook device 6, off-hook, the hook device 6 connects the manual dialing device 2 and the busy tone detection device 5 to the central office line 10.
are connected via the circuit connection device 7. The user manually dials the telephone number of the other party, but if the other party is busy at this time, the exchange 9 sends out a busy tone to the central office line 10. The busy tone detection device 5 detects this busy tone, passes the currently dialed telephone number to the telephone number storage device 4, and requests the next telephone number to be dialed. The telephone number storage device 4 determines whether the handed over telephone number is registered as a stored telephone number, and if it is registered, returns other telephone numbers in the same group to the busy tone detection device 5, Also, if it is not registered, a message to that effect will be returned. If the telephone number is returned, the busy tone detection device 5 instructs the hook device 6 to disconnect once, and after the exchange is restored, the busy tone detection device 5 disconnects the hook device 6 again.
It instructs the automatic dialing device 3 to go off-hook, and also instructs the automatic dialing device 3 to dial the telephone number that was previously received from the telephone number storage device 4. The automatic dialing device 3 automatically dials the telephone number. On the other hand, if it is not registered, the busy tone detection device 5 does not perform any operation and waits for disconnection (on-hook) from the user.

〔Effect of the invention〕

As explained above, according to the present invention, when a plurality of telephone numbers are stored in a telephone number storage device and the other party is busy, the telephone number stored in the telephone number storage device is automatically selected. It is possible to dial. Therefore, the user does not have to perform dial operations each time, which is very convenient.

[Brief explanation of the drawing]

The figure is a configuration diagram showing an embodiment of the present invention. 1...Telephone, 2...Manual dialing device, 3...
Automatic dialing device, 4...Telephone number storage device, 5...
- Busy tone detection device, 6... Hook device, 7... Circuit connection device, 8... Handset, 9... Switching station, 10.
... Central line. Agent Patent Attorney Oto Uchihara

Claims (1)

[Claims] A telephone is provided with a telephone number storage device for storing a telephone number, a busy tone detection device for detecting a busy tone, and an automatic dialing device for automatically dialing the telephone number stored in the telephone number storage device. , when the subscriber connects the busy tone detection device to the telephone line after dialing and detects a busy tone, reads another telephone number from the telephone number storage device;
An automatic dialing system for telephones that is characterized by automatically dialing this telephone number.