KR100247712B1 - Method for advanced outgoing call accept service in opx - Google Patents

Abstract

The present invention relates to an advanced external call admission service method of a private exchange. The present invention relates to a trunk corresponding to a dial pulse signal by registering an external call admission service to an originating subscriber and receiving a dial pulse signal having a station number of a specific region from the originating subscriber. To occupy. The number corresponding to a specific region of the dial pulse signal is translated, and if the translation result is not the last digit, the number is translated for the station number of the specific region. On the other hand, if it is the last digit, the call is allowed to the called subscriber with the station number of the specific area. Therefore, in addition to allowing a call of a specific region, there is an effect that can only allow calls to be sent to the area corresponding to the station number of the specific region.

Description

Advanced external calling service method of private exchange {METHOD FOR ADVANCED OUTGOING CALL ACCEPT SERVICE IN OPX}

The present invention relates to a private eXchange, and more particularly, to an advanced external call admission service method of a private exchange capable of accepting only an outgoing call to a station number corresponding to a specific region. will be.

In general, since the service for allowing external calls of the private exchange is fixed with a 4-digit code, only external area codes are allowed to register. As an embodiment according to such an external call permit, when Seoul is an area code having "2" and Suwon is "331", the area of the Suwon to the Barring Table in the private exchange to allow only calls originating to the Suwon. If the number "331" is registered, only the call originating by the calling subscriber to the source through the external call permission number translation is allowed.

Conventionally, the external call admission service method of a private exchange uses a method of inputting an external call admission code to a private exchange, which is a subscriber data using an operator terminal in an input output processor (hereinafter referred to as IOP). Controls to register the external call permission service by handling (Subscriber Data Handling: abbreviated as SDH).

After the above-mentioned external call admission service is registered, the calling subscriber enters the area code first and then enters the area code and phone number of the specific area before entering the phone number corresponding to the called party. Try.

However, in the conventional private exchange, only the outgoing call to the area code corresponding to the area code was allowed because the number of code digits that registered the external call permission service was up to four digits, and the call could be allowed up to the outgoing call to the specific station number. There was no problem.

The present invention has been made in order to solve the above problems, the object of the call is to extend the external call permission code from the 4-digit code to the maximum 8-digit code and then register, as well as the specific area as well as the call to the station number corresponding to the specific area It is to provide an advanced external call admission service of a private exchange.

In order to achieve the above object, the present invention provides a method comprising: receiving a dial pulse signal having a station number of a specific region from an originating subscriber after registering an external call admission service with an originating subscriber; Occupying the trunk corresponding to the dial pulse signal, translating a number corresponding to a specific region of the dial pulse signal, and determining whether the translation result is the last digit; Translating the number for the station number of the specific area if it is not the last digit in the determination; If it is the last digit in the determination, then allowing the call to the called subscriber with the station number of the particular area.

1 is a block diagram to which an advanced external call admission service method of a private exchange according to the present invention is applied;

2 is a detailed flowchart of an advanced external call admission service method of a private exchange according to the present invention.

<Description of the symbols for the main parts of the drawings>

10: LCS 20: PLS

30: TLS 40: SNS

Hereinafter, the objects and features of the present invention will be described in more detail with reference to the accompanying drawings so that the objects and features of the present invention can be more clearly understood.

1 is a block diagram to which an advanced external call admission service method of a private exchange according to the present invention is applied, a line control subsystem (hereinafter referred to as LCS) 10, and a private line subsystem Private Line Subsystem (hereinafter, abbreviated as PLS) 20, Trunk Line Subsystem (hereinafter, abbreviated as TLS) 30, and Switching & Number Translation Subsystem : Hereinafter abbreviated as SNS) 40.

The terminal owned by the calling subscriber is a telephone of any subscriber, which is connected to the private exchange, and in particular, is connected to the LCS 20 in the line processor, which is a subprocessor, to the dialing key input of the terminal to dial the called subscriber. The analog pulse signal is applied and transmitted to the LCS 20 so that the call can be connected.

The LCS 10 is included in a line processor, detects a hook off / hook on signal, detects a hook off signal, and then converts the corresponding digit pulse signal into a main processor. It is a lower processor to transmit to the PLS 20 in the (Main Processor).

The main processor includes a PLS 20, a TLS 30, and an SNS 40, and performs relay call processing with a terminal connected to the LCS 10 in a line processor, and transmits various data transmitted from the terminal. It is an upper processor that performs maintenance functions for state management.

Among them, the PLS 20 is a private line subsystem block, which is connected to the LCS 10 belonging to the line processor to perform local call control, outgoing call control and incoming call control with the terminal, and generate charging information. And collect statistical data and transmit it to the TLS (30).

The TLS 30 includes a trunk call control, a trunk line data matching unit, a route controller, and a route data matching unit transmitted from a terminal. It performs local call control with telephone number, outgoing call control and incoming call control processing according to advanced external call permission.

Here, the local call control is a series of call control processes in which a calling party using a terminal calls a called party of its own country. Call origination, dial tone transmission, digital transmission, digital analysis, call allocation, call signal transmission, and call connection In this order, the call proceeds in the order of recovery.

And outgoing call control is a series of call control processes in which an outgoing subscriber using a terminal calls a called party of another station, and incoming call control is a series of calls in which a subscriber of another station calls a called party of its own station through its own incoming line. Call control process.

The SNS 40 is received from the PLS 20 to process the telephone number transmitted according to the relay call processing, and internally translates a number translation (NTR), a time division switch (Time Switch) and Telephony Device Control, Subscriber Data Handling (hereinafter abbreviated as SDH), and the station number of a specific area according to the advanced external call admission service of the private exchange transmitted from the terminal. Send the phone number information for the NTR to translate.

NTR in the SNS (40) is a number translation block, and analyzes the phone number information for the station number of a specific area in accordance with the external call allowed from the terminal to perform the function to confirm the use and destination location, the line or relay line device From the number and dial digit information, the final destination is determined by the subscriber line or the trunk line by the extension number translation and the called number translation, and the function of confirming the purpose and destination of the extension number information is again checked. Notify the result.

In addition, the SDH in the SNS 40 is a subscriber data matching unit, which generates, changes, and cancels code information for an advanced external call admission service transmitted from an input / output processor (hereinafter referred to as IOP), which is not shown. After receiving the input to perform the processing, the PLS 20 is notified of the result.

Referring to the flowchart of Fig. 2, the advanced external call admission service method of the private exchange according to the present invention having the above-described configuration will be described in more detail.

First, when the calling subscriber is Seoul, and the called subscriber is Suwon, the number for occupying the external call at the private exchange is "9", and the calling subscriber for calling to a specific area is Suwon "331". However, the specific station number of the Suwon area is described on the assumption that the service code for call permission can be input up to 8 digits, such as "1254".

An operator terminal connected to the IOP is used to register the advanced external call admission service in the private exchange, and the advanced external call admission service is input to the SDH in the SNS 40 using a software program.

When the advanced external call admission service is registered in the SDH in the SNS 40, the calling subscriber hooks / offs the handset of the terminal, and then the area according to the external call permitting through the LCS 10 using the dial key of the terminal. In addition, it dials the called party with the station number of the specific area.

Dialing order is "9", "0", "3", "3", "1", "1", "2", "5", "4", "X", "X", "X" Enter "X". The LCS 10 detects the dialing pulse signal to the called subscriber with the station number of the specific area and transmits it to the PLS 20 in the main processor. The PLS 20 transmits a number translation request to the NTR in the SNS 40 in order to translate the station number according to the dialing pulse signal according to the external code "9" among the hook off signal and the dialing pulse signal transmitted from the terminal (step 201).

The NTR in the SNS 40 determines whether the external code "9" of the dialing pulse signal is an external call, and if the determination result is an external call, transmits it to the TLS 30 to transmit the trunk occupancy and trunk occupation. The response is then sent back to the PLS 20 (step 204).

On the other hand, if the result of translating the station number of the specific area is not an external call, internal call processing is performed and the call is blocked (step 203).

After occupying the trunk via TLS 30, PLS 10 receives the next digit number " 0 "

Since the digit number is input, the PLS 10 determines whether the external call admission service is registered (206), and if the external call admission service is registered, transmits it to the NTR in the SNS 40 to request a number translation (step 208). .

If the external call admission service is not registered in the determination step 206, the general external call is processed and the call is blocked (step 207).

It is determined that the result of translating the number "0" in the NTR in the SNS 40 is the last digit of the outer code allowed number (209). Receive a digit number (step 210).

The next number "3", "3", "1", "1", "2", and "5" is translated sequentially, but it is not the last digit number according to the outer code permit, so the loop is continuously rotated Since the last digit number "4" is received and the number translation result is the last digit number, it is determined once again whether to allow the call (step 211).

If the call is allowed in the determination step 211, the calling subscriber in Seoul normally handles the external call with the called subscriber of "0331-1254-XXXX" (step 213). On the other hand, the call is not allowed in the determination step 211, and the trunk release and call cutting sound according to the call rejection are transmitted (step 212).

In conclusion, by registering an advanced external call admission service in a private exchange using an operator terminal, it is possible to allow a call originating to a station number of a specific area as well as a specific area according to the registered external call permission service.

As described above, the present invention as described above can expand and register a special code for an advanced external call permitting service, which allows not only a call of a specific area but also a call corresponding to a station number of a specific area. It works.

Claims (1)

A call processing method in a private exchange having originating and terminating subscribers, Receiving a dial pulse signal having a station number of a specific area from the calling subscriber after registering an external call permission service with the calling subscriber; Occupying a trunk corresponding to the dial pulse signal, translating a number corresponding to a specific region of the dial pulse signal, and determining whether the translation result is the last digit; Translating the number for the station number of the specific area if it is not the last digit in the determination; And if the last digit in the determination, permits the call to the called subscriber with the station number of the particular area.

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