JPS6032466A - Code call response system - Google Patents

Abstract

PURPOSE:To improve the extension on a function by providing a code call memory in the main storage circuit of a private branch of automatic exchange to simplify the code call system. CONSTITUTION:A dial signal is received by a code call circuit 14 connected to the private branch of automatic exchange 12, a display light corresponding to the received numeral is lighted and an audible tone is generated. The dial signal of a subscriber is relayed to the circuit 14 by a paging trunk 175 of a trunk circuit section 17 under the control of a central control circuit 20. A main storage circuit 21 is connected to the said control circuit 20, a code call memory 211 is provided to the storage circuit 21 to store dial code information to be received. Only when a prescribed response code is dialed and also an individual number is dialed, they are regarded as response and a caller is searched from the memory 211, or the caller is found out conversely and responded to thereby simplifying the system constitution.

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a code call response system for a private automatic branch exchange.

The conventional incoming call display has two routes, one rank for calling [2] and one rank for answering, and by connecting this to the incoming call display circuit, the code call call and response are realized.

This code call is a variation of paging (a designated call to a person in an unspecified location), in which the caller uses the speaker to make a call, and the called party receives one-on-one correspondence. A call is made with a different indicator light or audible tone, and when the called party's pre-designated indicator light lights up or an audible tone sounds, the called party can make a call by dialing the response code. .

An example of a conventional code call response system of this type is shown in FIG.
The telephone part 10 is connected to the main switch part 16 via the subscriber line 11 having the subscriber line 11L112, and the line/circuit part 15 of the private automatic branch exchange 12. It is connected. Furthermore, 151,
152 is a line circuit in the line circuit section 15;

And this automatic exchange 12h, +y number of subscribers gauze 11
1.112 Subscribers with iF, i! A line circuit section 15 for accommodating station #11 and station #13 and connecting them to each other. Main switch (', Ii 1 (i,
Trunk circuit section 17. A central control circuit 18 and a memory circuit 19 are provided.

Then, this trunk circuit section 1101 station ν, ((public circuit 1) 13 is connected to the station 15!
．． An intra-office trunk 172 used for extension interconnection, that is, an intra-office connection. Various to-service trunks 173 provided in various services 1, caller register 1' which receives and stores dial code information during IH calls, ) link 174゜Code: Trunk exclusively for I-R calls (trunk only for calls) 175 and has code call response <47 river trunk 1T6.

14 receives the dial information and turns on the indicator light corresponding to the received digit f:, which is the same as i'l. There is a code call device j + 1 knee ζ 2 that generates i' + J sound in 'l, 1/
〆、-The call-only Jll sent to the trunk circuit section 17
+：-175 is the number dialed by the subscriber.
A paging trunk 4'l'i is configured to relay the code=I to the sword/device 614, and the central control unit 18
is configured to connect the subscriber to the paging trunk.

In the code call response method configured in this way,
First, a code call access number is dialed using the frost talker 10kl: frost talker 101, and then a predetermined machine number corresponding to the indicator light (lamp), Li, and audible sound is dialed. Then, the central control circuit 18 connects the line circuit section 15 corresponding to the Japanese language machine section 10 to the trunk 175 exclusively for making code calls through the main switch section 16, and sends the machine number to the code call circuit 14. When the code call circuit 14 receives this machine number, it lights up an indicator light (lamp) corresponding to the number and, for example, sounds a buzzer to generate an audible sound to notify the incoming call.

Next, the called party goes to another 1111 machine 1 of the box filling machine section 10.
When dialing the code call response number and machine number from 02, the central control circuit 1811. Tonosho switch part 16
The telephone 102 is connected to the trunk 176 exclusively for code call response through the telephone, and the machine number is sent to the code call circuit 14. Then, (2, this 1- call circuit 14 calls the number of the caller (calling party ) At first, connect the side to r:.

However, in such a code call response system, this code call service can be realized if the code call originating trunk and the code call response trunk are used for peace of mind, and if the code call circuit side has a response function. I can't do it. Also, the trunk may emit a sound.
Two types, one for January 1 and one for response, were required, which had the disadvantage that the circuit configuration was duplex and uneconomical.

In view of the above points, the present invention has been devised to solve the problem and eliminate the disadvantages of 4<t; The purpose is to provide a call answering method.

In order to achieve such an object, the present invention provides a memory circuit for storing received dial code information in the main memory circuit of an automatic switchboard, and stores the received dial code information when a predetermined response code is dialed and how many machine numbers are dialed. In this case, this is regarded as a response, the caller is searched from the memory circuit, and the caller is found and a response is made.

Hereinafter, embodiments of the present invention will be described in detail based on the drawings.

FIG. 2 is a block diagram showing an embodiment of the code call response method according to the present invention.

In FIG. 2, parts that are the same as those in FIG. 1 are given the same reference numerals and explanations will be omitted. 21 is a main memory circuit connected to the central control circuit 20, and 211 is a memory circuit (code call memory) provided in the main memory circuit 21 for storing received dial code information. Further, the central control circuit 20 connects the line circuit section 15 and the trunk circuit section 17 to the main switch section 1 while referring to the information stored in the main memory circuit 21.
It is configured to perform an exchange operation of connecting at 6.

Next, the operation of the embodiment shown in FIG. 2 will be explained.

First, while referring to the information stored in the main memory circuit 21 of the central control circuit 20fd, the line circuit section 15 is connected to the trunk circuit section 1.
1 through the main switch section 16.

Then, after confirming the dial tone on the telephone 101, the user dials the code call number 1. R of the trunk circuit section 17: '(The 1-registor trunk 114 receives and stores the code call call number from the button 1 filling machine 101.Then, the central control circuit 20 7. According to the code call call number [7], the line circuit 151) is connected to the main switch section 16 via L7.

Next, I dialed the filling machine 101L 1 Tsutsuki Ioka.

Then, the central control circuit 2 (HJ pull-up 1, (li-len:
, -4,4) Ti
A: Register in the 1fIl+ll circuit 21 code call stack memory, no rope 0 storage circuit 211.

Next, the called party dials the code call answering number of the market packing machine 102, dials the answering individual machine number, and then dials the answering machine number. After sending and receiving the code call number and the individual machine number to respond from the call register and the trunk 174, the main memory circuit 2
The corresponding individual machine number is searched from the code call memory (storage circuit) 211 of No. 1. Here, when a code call caller with whom the two parties match is found, the code call caller sends the code call caller to the trunk 17 dedicated to code call calls.
5 is disconnected, the local in-office interrogation machine 172 is selected, and the calling side 1 talk machine 101 and the answering side 1 talk machine 102 are connected.

In this way, by providing the code call calling memory (storage circuit) 211 inside the private automatic branch exchange 12, the code call device line can respond to a code call even with only the reading function. This eliminates the need for trunks dedicated to code call responses, making it possible to realize an economical code call response system.

The present invention has been described above using an example in which the trunk dedicated to code call calls is one-way, but the present invention is not limited to this. This can be applied to multiple routes by extending it to register trunk routes dedicated to calling numbers and code calls. For example, it is possible to provide this code calling device for each department.

In the above embodiment, the method of waiting in a ringing state was explained, but there is also a waiting method in which the caller makes a call, then puts the handset on the hook and waits, and the called party calls back. It is possible.

As explained above, according to the present invention, it is possible to achieve an economical and economical system by providing a storage circuit, which is a code call recall memory, in the main storage circuit of a private automatic branch exchange, without using any complicated seven means. In addition, it is possible to realize a code call response method that is expandable in terms of functionality, so the practical effects are extremely high.

[Brief explanation of drawings]

FIG. 1 is a block diagram showing an example of a conventional code call response method, and FIG. 2 is a block diagram showing an embodiment of the code call response method according to the present invention. 12...Private 1 exchange for premises use 1.14...Code call circuit, 17...Trunk circuit section, 20...
・・Central control circuit, 21・・・Main memory circuit, 175・
... Call-only trunk (paging trunk), 21
1...Code call recall memory (memory circuit)
.

Claims (1)

[Claims] A code call circuit (which generates an audible sound at the same time as it receives a dial signal and lights up the indicator light corresponding to the received digit);
In a private automatic exchange, the subscriber has a paging trunk in which the subscriber dials L yi 4r4-'=f into the code call circuit, and a central control circuit connecting the subscriber with the paging trunk; It is equipped with a memory circuit for storing received dial code information, and when a predetermined response code is dialed and an individual machine number is dialed, it is regarded as a response, and the caller is transferred from the memory circuit to 4'18L III L. ,,Code call A is a response method characterized by finding the caller and responding to the caller.