KR100201945B1 - Matching method and appratus of variable line signal - Google Patents

Abstract

1. Field of the invention as described in the claims: Various line signal matching method and apparatus according to channels in the E1 trunk of the exchange

2. Technical problem to be solved by the invention: When communicating with a counterpart station in the E1 firmware, which is equipped with a fixed memory device by microprogramming a part of its hardware function separately from the main device, the E1 trunk provided in the conventional exchanger. Data is stored according to the signaling method used in the network and matched with the other station. Therefore, separate E1 firmware was required to match the signaling system with stations using different signaling methods. Therefore, since one signaling method is implemented in one E1 firmware provided in the E1 trunk, it is difficult to produce and manage the product because various firmwares are required between countries or countries that use various signaling methods. There was a problem.

3. Summary of Solution of the Invention: The first buffer is provided in the CPM and stores the form of the line signal corresponding to each channel according to the user's request, and the line signal form corresponding to each channel is provided in the E1 trunk. A third buffer provided from the first buffer, a third buffer provided in the E1 trunk and configured to address and store line signal type data necessary for performing a line signal service in the E1 trunk, and provided in the E1 trunk And a line signal matching device in a line signal matching device having a fourth buffer for storing an address of the third buffer in which line signal shape data is stored according to the line signal shape selected from the second buffer. A first process of initializing the hardware and software of the E1 trunk if requested, and the line signal selected for each channel by the CPM; A second process of transmitting a message requesting data regarding a state; a third process of receiving data on a line signal type received from the CPM in response to the message transmitted in the second process and writing the data to an internal buffer; When the recording of the data received in the third process is completed, a fourth process of performing a line signal service for each channel according to the recorded data.

4. Important use of the invention: exchanger.

Description

Various line signal matching method and device

1 is a block diagram of a system for initializing a signal type for each channel in the present invention.

2 is a control flowchart for matching line signals according to the present invention.

3 is a memory map structure diagram according to the present invention.

* Explanation of symbols for main parts of the drawings

110: CPM 112: LPM

114: Rx buffer 116: Tx buffer

118: E1 trunk

The present invention relates to an exchange, and more particularly, to an apparatus and a method for matching with a plurality of exchanges using different signaling in one E1 trunk.

In general, the E1 trunk is a device accommodated in a frame of an exchange, and refers to a device for monitoring or controlling a call path formed by forming a part of a call path. For example, a device that performs functions such as supplying a call current, sending a signal, and billing are shown.

In addition, the E1 link is implemented by various signaling methods, and these signaling methods are generally used by adopting a different signaling method in each country as they are selectively used when implementing an exchange.

The E1 trunk, which is provided in the conventional exchange, stores data according to the signaling method used when communicating with the other station in the E1 firmware that micro-programs some of its hardware functions separately from the main device and accommodates it in the fixed memory device. Matching with the other station is made. Therefore, separate E1 firmware was required to match the signaling system with stations using different signaling methods.

That is, since E1 firmware stores only data according to one signaling method, E1 firmware corresponding to a signaling method used by a plurality of counterpart stations is provided for matching with a plurality of counterparts using different signaling methods. Should be

Therefore, in order to service the E1 link using various signaling methods, various E1 firmwares were required for the countries using various signaling methods within the E1 trunk or within a country, which made it difficult to produce and manage the product. .

Accordingly, an object of the present invention is to provide a method of matching a plurality of channels using various signal types with one E1 firmware provided in an E1 trunk.

Another object of the present invention is to provide an apparatus for matching a plurality of channels using various signal types with one E1 firmware provided in an E1 trunk.

The present invention for achieving the above object, the initialization of the E1 trunk with a buffer for storing data according to various signaling methods used in the exchange function with other stations and a buffer for selecting the signaling method used in each channel, etc. If there is a request, it is characterized in that the process of performing the service according to the registered signal type after receiving and registering the initialization signal type according to each channel.

Hereinafter, the present invention will be described in detail with reference to the accompanying drawings.

FIG. 1 shows a configuration for carrying out the present invention, and the configuration will be described with reference to FIG.

The control processing module (CPM) 110 is a central processing module of the exchange to process call processing, diagnosis and billing statistics. Meanwhile, in order to carry out the present invention, a port database (PORT DB) is provided to record and manage an E1 link signaling method selected for each channel by the user in the port database. The managed data transmits the managed data in a predetermined message form according to a signaling method of the E1 trunk 118 due to the initialization of the system.

The Line Processing Module (LPM) 112 is an interface module of subscribers and trunks connected to the exchange and handles all situations occurring at the line end.

The Rx buffer 114 and the Tx buffer 116 buffer data transmitted and received between the LPM 112 and the E1 trunk 118.

The E1 trunk 118 is a module for processing a signal according to the signal type used between stations connected by the E1 link. In addition, a channel processing one E1 trunk 118 is generally composed of 32 channels. In particular, when a signaling method corresponding to each channel is required due to the initialization of the system for the implementation of the present invention, it is requested by the CPM 110 and stored in a database. Hereinafter, the database is referred to as a group database. In addition, data required for matching the signaling schemes supported by the E1 link are stored in a database corresponding to each signaling scheme. Hereinafter, the database is referred to as a signal type database.

2 illustrates a control flow processed according to the implementation of the present invention, and the process will be described with reference to FIG.

If there is an initialization request, a process of initializing hardware and software, transmitting request data requesting data corresponding to a signal type changed according to the initialization, and receiving a signal when data in an initialization signal form is received in response to the request data It is a process of performing a service after initializing the signal type according to the type.

FIG. 3 illustrates a map structure of a buffer required for the present invention, and the map structure of the buffer will be described in detail with reference to FIG. 3.

FIG. 3A is a buffer structure included in the CPM 110, which is controlled by the user, and is a table (port database) for storing the form of the line signal corresponding to each channel according to the user's request.

FIG. 3d is a table of a buffer that receives and stores a line signal type corresponding to each channel from the CPM 110 having the 3a-type buffer.

FIG. 3d is a table of a buffer which stores the address of a buffer in which line signal type data is stored according to the line signal type selected from the table shown in FIG. 3d.

Fig. 3c shows the use of data required for matching the respective signaling schemes used in the E1 link, that is, the use of signals such as line occupancy signals, dial signals and response signals, and the signal data according to the signal types. Is recorded.

Accordingly, in order to perform a matching operation on a specific channel, the E1 trunk 118 checks the signaling method corresponding to the channel through 3d degrees, obtains an address corresponding to the signaling method in 3b degrees, and obtains the address corresponding to the obtained address. The corresponding data is read in 3c and the matching function is performed.

In this case, the 3a is a diagram showing the map structure of the buffer provided in the CPM (110), the 3b, 3c, 3d is a diagram showing the map structure of the buffer provided in the E1 trunk (118).

Therefore, an embodiment of the present invention will be described in detail with reference to FIGS. 1, 2, and 3.

First, the following embodiment is performed by the E1 firmware inside the E1 trunk 118, it should be noted that the following detailed description will be described as processing in the E1 trunk 118. In addition, it will be described on the assumption that 32 channels are controlled by the E1 trunk 118.

The E1 trunk 118 determines whether there is an initialization request in step 210. The initialization request is generated by the user's initialization request or the shape of the signal used in each channel by the user.

When the initialization request is detected in step 210, the E1 trunk 118 proceeds to step 222 to initialize hardware of the E1 trunk 118. When the hardware initialization is completed, the process proceeds to step 224 to initialize the software for controlling the operation of the E1 trunk 118.

When the initialization of the E1 trunk 118 is completed in steps 222 and 224, the E1 trunk 118 sends a request message requesting transmission of the changed signal type data according to the initialization or modification of the signaling method in step 226. Send to (110). The E1 trunk 118 detects whether the response message in response to the request message sent in step 226 is received from the CPM 110 in step 228.

In the process of providing a response message in response to the request message, data for selecting a modified signal form according to a user's request is registered in the CPM 110 as a port database having a 3a shape in the internal buffer. As described above, the port database stores a signaling method corresponding to each channel corresponding to the E1 link.

A series of operations in which the signal form is modified by the user is performed by a general MMC function, which is known in the art, and thus detailed description thereof will be omitted. In response to the request of the E1 trunk 118, a response message corresponding to the data registered in the buffer of FIG. 3a is transmitted to the E1 trunk 118.

When the response message is received through the above process, the E1 trunk 118 proceeds to step 230 and records the data of the received response message as a signaling method in the group database. Data representing the received signal type is recorded in a buffer having a shape of 3b and 3d provided in the E1 trunk 118. When the initialization of the signal type according to the response message received in step 230 is completed, the E1 trunk 118 proceeds to step 232 to perform a service according to the modified signal type.

The service execution process reads an address corresponding to the selected channel from the buffer of FIG. 3b in order to select the signal type of the channel selected according to the user's request. Then, an operation for matching is performed by data on the signal type recorded at the address read from the buffer having the configuration shown in FIG. 3C. That is, the idle data transmission during the on-line service transmits the idle data according to the signal type recorded at the currently designated address. The reception data also determines that only data of the type recorded at the designated address is valid data.

As described above, the present invention has an effect that the service can be performed in different signal types according to channels in the E1 firmware inside the E1 trunk. In other words, in countries such as Korea, China, Sweden, Russia, Brazil, Argentina, and Syria, each country uses a different signal type to provide services with one E1 firmware in the E1 trunk. Can be satisfied.

Claims (2)

According to the user's request, it is connected to the control processing module having a port database in which the signal types corresponding to each channel of the E1 link are recorded. A method of matching different signal types according to each channel in an E1 trunk, the method comprising: a first process of initializing hardware software of the E1 trunk when a system initialization request is made by a user; and recording in a port database by the control processing module A second step of transmitting a message requesting the data, a third step of receiving data received from the control processing module in response to the message sent in the second step and recording the received data in a group database; Recalling a signal type corresponding to the channel when a matching request of a predetermined channel occurs A fourth step of detecting from a group database and a step of reading data corresponding to the detected signal type from the signal type database and performing matching with the channel when a predetermined signal type is detected in the fourth step. Line signal matching method characterized by consisting of five steps. An apparatus comprising a control processing module and an E1 trunk to match different signal types for each channel of an E1 link, the control processing module being provided in the control processing module and storing the signal form corresponding to each channel by a user's selection. A first buffer, a second buffer provided in the trunk E1, and a second buffer configured to store data necessary for matching each signal type that can be serviced on the link E1 in correspondence with an assigned address, and in the trunk E1; And a third buffer configured to store data transmitted by requesting transmission to the first buffer upon system initialization of the signal type stored in correspondence with each channel, and each signal provided in the trunk of E1 and available for service on the E1 link. And a fourth buffer for storing the address of the second buffer according to the form, and when a matching request for a predetermined channel of the E1 link occurs. The signal type corresponding to the channel may be examined with reference to the third buffer, and an address corresponding to the checked signal type may be read from the fourth buffer, and data corresponding to the read address may be read from the second buffer. And matching to the channel by reading from the line signal matching device.