KR100239052B1 - Method for inspecting call register in full electronic switching system - Google Patents

Abstract

The present invention provides a method for auditing a register in an all-electronic exchanger suitable for efficiently using a call register in a call processing system library (CSL) in an access switch processor (ASP) in a TDX-10 series of all-electronic exchanger. In the related art, if there is a call that is not released from the register and remains on the call after the call is released, the caller and the call processing resource are not used when processing the next call, thus wasting system resources. Although there was a drawback of bringing the present invention, the system periodically irradiates the co-register 10 to release the call register 10 and the call processing resource for the call remaining in the co-register 10 even though the actual call is released. It is possible to remedy the above-mentioned shortcomings by securing the reliability and securing the resources. to be.

Description

Method of Auditing Co-Register in Electronic Switching System

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a call register auditing method in an all-electronic exchanger, and more particularly, in a call processing system library (CSL) in an access switch processor (ASP) in an all-electronic exchanger of the TDX-10 series. The present invention relates to a method for auditing a register in an electronic exchanger suitable for efficiently using the register.

The overall physical structure of the TDX-10 series electronic switchgear consists of an access switching subsystem (ASS), an interconnection network subsystem (INS), and a central control subsystem (CCS).

First, ASS is classified into ASS-S for subscriber matching, ASS-T for relay line matching, ASS-P for packet exchange, ASS-7 for SS No.7 signaling, and consists of the following components. .

Access switching processor (ASP):

Perform traffic control, SS No.7 maintenance ASS maintenance and operation management, and other services.

Access switching maintenance processor (ASMP):

It performs fault collection and input / output test functions in the existing ASS, which is an existing subsystem. It is not mounted in the advanced ASS.

Analog subscriber interface (ASI):

Among the telephony devices, as an interface with subscribers, it accommodates analog general subscribers, public telephone subscribers, PABX subscribers, party line subscribers, remote meter readers, and the like.

RG (ring generator):

It provides the call signal current required for the subscriber circuit to the ASI and, if a failure occurs, sends the alarm signal to a fault indication (FI) (an existing subsystem) and its corresponding peripheral processor (PP) (an improved subsystem) controlled by ASMP. Has the function to send.

TSL (time switch & local data link):

Interchange of time slots that are output (input) to and from subscriber / relay line matching devices and data links is a typical function and the connection between telephony devices in the ASS is established by this time switch. It also needs to go through a time switch for connection with INS. For example, the service device may be connected with the subscriber / relay line matching device and the data link. It also includes A / μ-law conversion, if necessary, to control and manage data links such as multiplexing and demultiplexing of PCM data, inserting and extracting IPC messages, and detecting data errors, clock extraction, and E / A. Perform O and O / E conversion functions.

Local service interface (LSI):

R2 MFC, DTMF, CCT, tone, etc. to directly control the signal service device to perform the function of transmitting and receiving signals and monitoring the operation status of the device. The signal service device receives various control from the TLSP, generates R2 MFC, DTMF, CCT, tone signals required during call connection, transmits them to the TSL, and receives and detects the corresponding signals from the TSL. There is a self-loop test function for maintenance, which generates an alarm and sends it to the alarm collection device FI or the corresponding PP.

Digital T1 interface (DTI):

Directly control T1 type digital relay line to perform signal transmission, operation and monitoring of relay line. As an interface with T1 type digital relay line among telephony devices, signal transmission and reception are performed.

DCI (digital CEPT interface):

Direct control of the CEPT digital relay line is used to transmit and receive signals, monitor the operational state of the relay line and test. As an interface with CEPT type digital trunk line of telephony device, signal transmission and reception are performed.

VMH (voice message handling):

Record or play back voice messages and perform self test for maintenance. It has the matching function of recorder and test handset to record and play voice messages directly on the device.

CMX (conference mixer):

In order to perform the three-way or conference call function by the control device, the PCM voice signal is mixed and output to the TSL, and the function of testing the operation state of the circuit according to the request of the control device and reporting the test result to the control device. do.

Next, the INS consists of the following components:

Interconnection network processor (INP):

Perform searches and management with calls using the space switch.

Number translation processor (NTP):

It responds to the number translation request from each ASP and performs root control.

Interconnect network maintenance processor (INMP):

Collect all faults in INS and transmit to OMP.

Space switch (SSW):

It is in charge of connecting and cutting space switch. It is responsible for the spatial division switching of time slot data input through the data link and retransmission to the data link. The space switch can be configured according to a required capacity in units of switch modules (SMs).

Central data link (CDL):

It controls and manages data links such as multiplexing and demultiplexing of PCM data and inserting and extracting IPC messages. Perform data error detection, clock extraction, E / O and O / E conversion functions.

Network synchronizer (NES):

Simple control and operation of the network synchronizer device. It is responsible for TDX-10 advanced basic clock generation and distribution synchronized with domestic network, and real-time clock supply of exchange.

CCS consists of the following components:

OMP (operation and maintenance processor):

It oversees a series of operations and maintenance related functions in the system. Therefore, the MT and the disk are controlled by the auxiliary storage device required for this. The MT contains the fare record, statistics, maintenance and operation management information, and the disk contains the generic program and data.

Man machine processor (MMP):

Enables dialogue between operator and system or between operation center and system. For the dialogue between the operator and the system, visual display units (VDUs) including the system console and printers for printing the output data are used. Synchronous / asynchronous channels are used for data linking with the remote operations center. The local disk is used to supplement the visibility of the VDU, save command files, logging files, etc. In addition, cathode ray tubes (CRTs) for test benches and printers are via asynchronous channels.

Central control subsystem maintenance processor (CCMP):

It collects all faults in the CCS and drives the alarm panel.

Alarm panel:

It is a hardware device for alarm driving and displays the alarm level such as critical, major and minor under the control of CCMP.

In this regard, when the call processing is performed using the co-register in the call processing library in the ASP of the TDX-10 series electron exchanger according to the related art, information on the call is stored in the co-register as much as the corresponding capacity.

However, in the related art, if there is a call that remains on the call without being released from the register after the call is released, the call and the call processing resource are not used when processing the next call, which wastes system resources. There is a flaw coming.

The present invention has been made to solve the above-mentioned drawbacks of the prior art, and the electronics that can periodically release the co-register and call processing resources for the call remaining in the co-register, even if the actual call is released by examining the co-register The aim is to provide a method of auditing the registers at exchanges.

1 is a block diagram showing an embodiment of the ASP of the TDX-10 series all-electronic exchanger for explaining the co-register audit method in the all-electronic exchanger according to the present invention;

FIG. 2 is a flowchart illustrating a step-by-step embodiment of a method of auditing a register in an electronic switch according to the present invention as an algorithm of the auditing unit of FIG.

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

10: co-register 12: call processing library

20: switch control unit 30: signal equipment control unit

40: audit department

The above and other objects and various advantages of the present invention will become more apparent from the preferred embodiments of the invention described below with reference to the accompanying drawings by those skilled in the art.

Hereinafter, an embodiment of the present invention for achieving the above object in detail.

Referring to FIG. 1, FIG. 1 is a block diagram showing an embodiment of an ASP of a TDX-10 series all-electronic exchanger for explaining a method of auditing a register in an all-electronic exchanger according to the present invention. A call processing library 12 having a co-register 10 storing information relating to the switch, a switch control unit 20 for controlling the switching of the time switch in accordance with the call processing information of the co-register 10, and a co-register ( According to the call processing information of 10), the signal equipment control unit 30 for controlling each signal equipment for call processing and the call register 10 are periodically examined and the call remains in the call register 10 if the call is actually released. And an auditing unit 40 performing an audit function to release the call register 10 and the call processing resource.

The present invention thus made will be described in detail with reference to FIG. 2 as follows.

First, the call processing library 12 has a library required for call processing of the TDX-10 series electron exchanger, including a co-register 10 that stores information related to call processing during call processing, and includes a switch control unit ( 20) sets the subscriber's path correctly by controlling the switching of the time switch according to the call processing information of the co-register 10.

Next, the signal equipment controller 30 controls each signal equipment for call processing according to the call processing information of the co-register 10 and sends a predetermined signal to the corresponding subscriber, and the audit unit 40 periodically registers the co-register. If the call is actually released by checking (10), the call register 10 and the call processing resource are released for the call remaining in the co-register 10.

FIG. 2 is a flowchart showing step by step an embodiment of a method for auditing a register in an electronic switch according to the present invention as an algorithm of the auditing unit 40 according to FIG. 1.

First, if it is registered to use the current register 10 by examining the co-register 10, it is checked whether a line for a predetermined exchange according to the registration is currently in use (100, 110, 120).

Next, in the above-described steps (100, 110, 120), if a line for a predetermined exchange according to the registration is currently in use, the process proceeds to the next step, and if not in use, releases the call processing and releases the co-register 10, and then enters the line. In order to release the time switch equipment and the signal equipment used during the call processing, the switch controller 20 is required to release the time slots used in the line, and the signal equipment controller 30 also releases the signal equipment used in the line. (130).

Subsequently, after performing the above-described step 130, the above-described steps (100, 110, 120, 130) is performed up to the maximum capacity of the co-register 10, and after this is delayed for a predetermined time, and then again from the beginning of the above-described steps (100, 110, 120) To execute (140).

As described above, the present invention periodically ensures reliability of the system by irradiating the co-register 10 to release the call register 10 and the call processing resource for the call remaining in the co-register 10 even though the actual call is released. And it is effective to secure more resources.

Claims (1)

A call processing library 12 having a call register 10 that stores information related to call processing during call processing, and a switch control unit 20 for controlling switching of a time switch according to call processing information of the call register 10. In the access switch processor (ASP) of the all-electronics exchanger including a signal equipment controller 30 for controlling each signal equipment for call processing according to the call processing information of the co-register 10, the co-resistor (10) a first step (100, 110, 120) of investigating whether a line for a predetermined exchange according to the registration is currently in use if it is registered as currently using the co-register 10; If the line for the predetermined exchange according to the registration in the first step (100, 110, 120) is currently in use, the process proceeds to the next step, and if not in use, releases the call processing and releases the co-register 10, In order to release the time switch equipment and the signal equipment used in the call processing, the switch controller 20 is required to release the time slot used in the line, and the signal equipment controller 30 also uses the signal equipment used in the line. Requesting to release the second step (130); After the second step 130 is performed, the first and second steps 100, 110, 120 and 130 are performed up to the maximum capacity of the co-register 10, and after this, a delay is performed for a predetermined time and then the first steps (100, 110, 120) are performed. The method of auditing the co-register in the electronic switch, comprising a third step (140) of executing again from the beginning.

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