JPH01119196A - Abbreviated dial transmission system in private automatic branch exchange - Google Patents

Abstract

PURPOSE:To utilize an abbreviated dial memory code from a subscribing telephone in a public telephone network by extracting corresponding dial information from an abbreviated dial information group based on a dial code received from a receiving trunk, and sending the information to a transmitting trunk. CONSTITUTION:A reception is executed to a receiving trunk 102, and, for example, by a push-button signal, an abbreviated dial accesses code '5' + an extension number '200' + an abbreviated dial memory code '10' are received. When a program control part 106 identifies a variable abbreviated dial access by the '5', the part extracts the extension number 200, namely, subscriber numbers OABC...I corresponding to the abbreviated dial memory code '10' of an extension telephone set 101, from an abbreviated dial memory group. The receiving trunk 103 and a transmitting trunk 103 are connected through a switching circuit 104, and the OABC...I are sent from the 103 to a transmitting public telephone network. Thus, the abbreviated dial memory code can be used as it is from a public telephone, etc.

Description

DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to an abbreviated dialing system for a storage program controlled private automatic telephone exchange in the field of communications such as telephones.

[Prior art]

When making a long-distance call to the public telephone network from the extension telephone of a private automatic telephone exchange (hereinafter simply referred to as the exchange), the 10-digit subscriber number must be dialed in addition to the trunk access code, which is a hassle. In order to solve this problem, it is well known that a switch is equipped with a speed dial function, and the called party is called by dialing several digits of a speed dial access code and a speed dial memory code. However, while convenient, the speed dial memory code can only be used from the extension phone that has the speed dial registered, so when the person using the extension phone goes out for work, the speed dial memory code is stored in the speed dial memory code. Even if you need to make an emergency call to a registered destination, you often forget the subscriber number of the other party, and you have to contact the operator of the exchange, which wastes your time. When relaxing or going out, use your phone number book.

There were drawbacks such as the need to carry a dial memory device with an acoustic coupler for button signals in case of an emergency.

[Problem that the invention seeks to solve]

To solve the above-mentioned drawbacks caused by the fact that the speed dial memory code used in daily work cannot be used at all once one goes out and leaves the extension telephone of the exchange.

[Means for solving problems]

The present invention makes it possible to extract a corresponding subscriber number from a group of speed dial information in an exchange based on dial information received from an incoming trunk of an exchange, and to send the subscriber number from an outgoing trunk. allows speed dial access from outside the exchange. This allows the user to use the speed-dial memory code that they are accustomed to using on a daily basis from any telephone subscriber within the public telephone network, thereby eliminating the need to carry a telephone number book or other ancillary equipment.

[Operation] Analyzes the dialing code received from the incoming trunk of the exchange, determines whether it is a speed dial access, and if so, stores it in the storage device of the exchange based on the extension number and speed dial memory code that follow. The target subscriber number is extracted from the abbreviated dial information group. Next, the communication path between the incoming trunk and the outgoing trunk is closed, and the subscriber number is sent from the outgoing trunk to the public telephone network to make a call.

〔Example〕

Hereinafter, one embodiment of the present invention will be described with reference to the drawings.

FIG. 1 is a system configuration diagram of an exchange according to an embodiment of the present invention, in which 101 is an extension telephone (assuming the extension number is 200), 102 is an incoming 1-rank, 103 is an outgoing trunk, and 104 is a switching circuit. , 105 is a central control unit, and 107 is a memory bag opening. Memory device @1 in 107
08 is a speed dial memory group, and the central control unit 10
Referenced by the program control unit in 5. first,
Although unrelated to the present invention, speed dial access from within the exchange will be described. Now extension phone 10
1 makes a call and enters the speed dial access code (e.g. II
5 II) and a speed dial memory code (for example, "10"), the program control unit 106
Based on this, from among the speed dial memory group 108, the subscriber number ○ABC・ is stored in the speed dial memory corresponding to the code “1o” of the extension telephone 101
. . . is extracted, the extension telephone 101 is connected to the outgoing trunk 103 via the switching circuit 104, and ○ABC . . . is sent from 103 to the public telephone network.

Thereafter, the extension telephone 101 and the other subscriber are connected by the normal connection sequence of the public telephone network.

The above is a description of a normal speed dial call made by a storage program controlled private branch automatic telephone exchange.

Next, abbreviated dialing according to the present invention will be explained. Normally, speed dials include variable speed dials that are stored for each extension telephone and fixed speed dials that are commonly stored for all extension phones, but in this embodiment, variable speed dials are accessed from outside the exchange. I will explain.

Now, there is an incoming call on the incoming trunk 102, for example, a button signal with a speed dial access code II 5.
II 10 yen extension number 200" 10 speed dial memory code 12101+ is received. The program control unit 106 receives 1
151+ identifies the variable abbreviated dial access, the subscriber number 0ABC.
. . . is extracted, the incoming trunk 102 and the outgoing trunk 103 are connected via the switching circuit 104, and the 0ABC .

Thereafter, as described above, the incoming trunk 102 and the outgoing trunk 10 are connected according to the normal connection sequence of the public telephone network.
3 counterpart subscribers are connected to each other.

〔Effect of the invention〕

As explained above, by adding a simple program, even if a person who uses the extension telephone 101 to conduct daily work goes out, the speed dial memory code that is used daily can be transferred directly from a public phone etc. Not only can you use the memory of the exchange effectively, but you can also use the same code from anywhere in the country, which is very effective.

[Brief explanation of the drawing]

FIG. 1 is a system configuration diagram of an exchanger showing an embodiment of the present invention. [Explanation of symbols] 101 - - - Extension telephone 102 - - Incoming trunk 103 - - Outgoing trunk 104 - - Switching circuit 105 ---
---- Central control device 106 --- Program control section 107 ---
------Memory device 108-----1 speed dial memory group\() 1st factor

Claims (1)

[Claims] In a private automatic telephone exchange using a storage program control system that collectively stores a group of abbreviated dial information for extension telephones, the corresponding dialing information is extracted from the abbreviated dial information group based on a dialing code received from an incoming trunk. 1. An abbreviated dial origination system in a private automatic branch telephone exchange, characterized in that a program control means for transmitting to a calling trunk is provided, and a trunk origination is made by referring to the abbreviated dial information group from outside the private branch automatic telephone exchange.