KR100564240B1 - Method and apparatus for call simulator in Fiber Loop Carrier - Google Patents

Abstract

The present invention relates to a call test method and apparatus thereof for transmitting equipment. When a call test mode is set according to an operator's selection, each port connects a call virtually to perform a call test for each port of each subscriber board. A call test module for setting up an incoming phone number, generating and providing a virtual call connection request signal using the set incoming phone number, and accordingly outputting a result when a call is virtually connected to each of the ports; It includes a trunk unit (C-Trunk Unit) to transmit the virtual call connection request signal provided from the call test module to the external exchange, and to connect the port and the port with the incoming telephone number to each port according to the control signal of the exchange. When testing a call for each port on each subscriber board in the transmitting equipment, use separate test equipment or telephones. If not, a call to the test in software, minimizing the management or maintenance of the transmission equipment, and also maximize the space efficiency of the transmission equipment.

Description

Method and apparatus for call test of transmission equipment {Method and apparatus for call simulator in Fiber Loop Carrier}

1 is a block diagram illustrating an apparatus for testing a call for each port of a general transmission equipment;

2 is a block diagram for explaining a configuration of an apparatus for testing a call of transmission equipment according to a preferred embodiment of the present invention;

3 is a flow chart for explaining the flow of a method for testing a call of transmission equipment according to a preferred embodiment of the present invention;

4 is a flowchart illustrating a flow in which a call test module performs a virtual call processing according to a preferred embodiment of the present invention;

5 is a block diagram illustrating a configuration of an apparatus for testing a call of transmission equipment according to another embodiment of the present invention.

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

10: exchanger

20: Fiber Loop Carrier

21: Channel Control Unit

21a: arc test module

22: trunk unit (C-Trunk Unit) 23: subscriber board (SLC-T)

24: tone generator

The present invention relates to a call test method and a device of the transmission equipment, and more particularly, when performing a virtual call test for the port of the subscriber board embedded in the optical subscriber transmission equipment, without using a separate test equipment or a telephone In addition, the present invention relates to a call test method and apparatus for transmitting equipment performing call tests on ports of respective subscriber boards.

1 is a block diagram illustrating an apparatus for testing a call for each port of a general transmission equipment.

Referring to FIG. 1, an optical subscriber carrier (FLC) 2, an exchange 1, a plurality of telephones 3, and a local call simulator (LCS) 4 are included. .

The telephone 3 allows the subscriber to be provided with a voice call service. That is, the call connection request signal input from the subscriber is transmitted to the FLC 2 and the ring signal received from the FLC 2 is emitted for the subscriber to listen, so that the subscriber can be provided with a voice call service.

Then, the FLC 2 transmits the call connection request signal received from the telephone 3 to the switch 1 connected by the trunk, and analyzes the call connection request signal received from the switch 1 through the trunk. Thus, a ring signal is transmitted to the called telephone 3, and when the telephone is hooked off, it provides a voice call service.

A trunk is a large-capacity telephone channel installed between two telephone exchange systems in a telephone system. The trunk can handle voice and data signals simultaneously due to its wide bandwidth.

The exchange 1 analyzes a call connection request signal received through the trunk from the FLC 2, and transmits a call connection request signal to another switch (not shown) connected to the called phone 3, or receives from another switch. The call connection request signal is analyzed, and when the called phone 3 is a phone connected with itself, the call connection request signal is transmitted to the corresponding phone 3 through the FLC 2.

The LCS 4 virtually connects a call to a port of each subscriber board of the FLC 2 and outputs a result accordingly.

That is, the LCS 4 virtually connects a call to a port of each subscriber board of the FLC 2 and checks the state of each port of the corresponding subscriber board accordingly.

Looking at the test method for each port of such a general transmission equipment for a while, first, the operator of the FLC (2), if you want to test the port of each subscriber board of the corresponding FLC (2), each subscriber board Connect the LCS (4), which is the equipment to test the call to the port of, to FLC (2).

At this time, the operator can test the call for each port using the LCS (4), or test the call by connecting the phone (3) to each port.

And, using the LCS (4), to test the call to the port of the subscriber board is connected.

That is, the LCS 4 generates a virtual call connection request signal for the port of the subscriber board connected to it, transmits it to the switch 1, and the switch 1 according to the received virtual call connection request signal, Connect the port of the corresponding subscriber board to the port with the random calling phone number.

The LCS 4 outputs the result of the virtual call connected to the port of the subscriber board so that the operator can recognize it.

However, this method requires connecting the LCS 4 to each subscriber board in order to test a call on a port of 16 subscriber boards embedded in one FLC 2.

That is, when all the subscriber boards of one FLC 2 are tested, there is a problem of using 16 LCSs 4.

In addition, when a call to a port of each subscriber board of the FLC 2 is tested using a regular telephone without using the LCS 4, since there are 30 ports on each subscriber board, all 480 phones are used. Is needed.

Therefore, when testing a call to a port of each subscriber board of the FLC 2 using the LCS 4 or a telephone, a separate test equipment or a plurality of telephones is required, in terms of cost, or the FLC 2 In terms of using space, the efficiency is lowered.

 Therefore, the present invention was devised to solve the above problems, and virtually connects a call to a port of each subscriber board embedded in the optical subscriber transmission equipment, and when testing the state of the corresponding port, a separate test It is an object of the present invention to provide a call test method and apparatus for transmitting equipment for testing a call to a port of a corresponding subscriber board by connecting a virtual call in software without using equipment or a telephone.

Device for testing a call of the transmission equipment according to an aspect of the present invention for achieving the above object, the port for connecting the voice call call virtually to each port of each subscriber board, if the call test mode is set according to the operator's selection Call test to set the incoming telephone number of the call, generate and provide a virtual call connection request signal by using the incoming phone number, and output a result when a call is virtually connected to each port according to the virtual call connection request signal A trunk unit (C-) which transmits a virtual call connection request signal provided from the module and the call test module to an external exchange, and connects each port to be tested with a port and a port having a called telephone number according to the control signal of the exchange. Trunk Unit).
Call test module according to the present invention, by using the telephone station number information, subscriber board information and the number of test information input from the operator to set the incoming telephone number, and counts the number of times the call is virtually connected to each port, the number of tests If not identical, the call test for each port is repeated a number of times entered by the operator.
The called telephone number according to the present invention is set by using telephone station number information inputted from an operator as station number information and number information obtained by adding predetermined destination port number information to each port number of subscriber board information.
The apparatus for testing a call of the transmission equipment according to the present invention further includes a tone generator for providing a tone signal corresponding to the called telephone number at the request of the call test module.
The call test module according to the present invention generates the incoming telephone number information in a DECADIC method, or requests a tone signal corresponding to the incoming telephone number information to the tone generator, and uses the received tone signal accordingly. Generate a virtual call connection request signal.
The virtual call connection request signal according to the present invention is a message of an Integrated Digital Loop Carrier (IDLC) protocol method.
According to another aspect of the present invention, a method for testing a call of a transmission device includes setting a call test mode according to a selection of an operator of a transmission device, subscriber board information, telephone station number information, and the number of times of a test to be performed by the operator. Calculating the incoming telephone number of each port of the subscriber board to be tested for a call virtually by using the receiving information, the telephone station number information and the subscriber board information inputted; Using the telephone number, the operator generates a virtual call connection request signal and transmits it to an external exchange, and the operator can recognize the result of the virtual call connecting between the ports to be tested by the exchange and the port according to the called telephone number. The number of virtual calls to each port to be tested by the exchange and whether the information is equal to the number of test information. And a step, and a comparison result, if the counted number of times information and the number of tests information are not the same, the method comprising carrying out a call re-examination for each port of the test count information by limiting the number of times the remaining number of times from the count information.
In the calculation of the called telephone number according to the present invention, the called telephone number is inputted by the operator as the station number information, and the called telephone number is calculated by using the number information obtained by adding a predetermined called port number to each port number of the subscriber board to be input. .
In the method for testing a call of the transmission equipment according to the present invention, a tone signal corresponding to the calculated incoming telephone number is requested to the tone generating means, and a virtual call connection request signal is received using the tone signal received from the tone generating means. It further comprises the step of generating.

delete

delete

delete

delete

delete

With reference to the accompanying drawings, the method and the apparatus for the call test of the transmission equipment according to the present invention will be described in detail.

2 is a block diagram illustrating a configuration of an apparatus for testing a call of transmission equipment according to a preferred embodiment of the present invention.

Referring to FIG. 2, an optical subscriber carrier (FLC) 20 is connected to a switch 10 by a trunk.

The FLC 20 may include a channel control unit (CCU) 21, a plurality of trunk units (CTU) 22, and a plurality of subscriber boards (SLC-T) 23. The channel control unit 21 includes a call test module 21a.

The exchange 10 analyzes the call connection request signal received from the FLC 20 or another exchange (not shown), grasps the called telephone number, and transmits a ring signal to the telephone having the called telephone number, thereby connecting the call. Be sure to

That is, when the call connection request signal is received from the subscriber phone through the FLC 20 from the subscriber phone, the exchange 10 identifies the called phone number and transmits the call connection request signal to the other exchange having the telephone number of the called phone number. . In addition, by analyzing the call request signal received from the other exchange, to determine the incoming telephone number, and transmits the call connection request signal to the telephone having the telephone number, to provide a voice call service.

Each subscriber board 23 of the FLC 20 includes 30 ports, and is connected to each of 30 telephones in a line, and transmits a call connection request signal received from the telephone to the switch 10, The call connection request signal received from the exchange 10 is transmitted to the corresponding telephone.

The trunk unit 22 is trunked with the switchboard 10 and transmits a call connection request signal received from the telephone via the subscriber board 23 to the switchboard 10 and received from the switchboard 10 via the trunk. The call connection request signal is transmitted to the corresponding phone through the subscriber board (23).

At this time, the trunk unit 22 is provided in plural, set as the master trunk unit 22 and the slave trunk unit 22, while the master trunk unit 22 communicates with the switchboard 10 through the trunk, When a problem occurs in the master trunk unit 22, it is preferable to transfer the function of the master trunk unit 22 to the slave trunk unit 22.

The channel control unit 21 grasps the call connection request signal received from the switchboard 10 through the trunk unit 22 and calls the received call to the called telephone through the subscriber board 23 connected to the called telephone. Send the connection request signal.

Then, the call connection request signal received through the subscriber board 23 from the telephone is transmitted to the switch 10 through the trunk unit 22.

In addition, when the operator of the FLC 20 selects the call test mode in the debug mode, the channel control unit 21 drives the programmed call test module 21a.

At this time, the operator selects the call test mode of the debug mode through the input means (not shown) included in the FLC 20, or when manufacturing or designing the FLC 20, the call test mode selection button By setting, a method of selecting through the corresponding setting button can be used.

The call test module 21a virtually connects a call to each port of each subscriber board 23 of the FLC 20 when the operator selects the call test mode among the debug modes, and the operator can recognize the result accordingly. To be printed.

That is, when the call test mode 21a is set, the call test module 21a generates a virtual call connection request signal for the port of each subscriber board 23 and transmits it to the switch 10 through the trunk unit 22.

Then, the exchange 10 analyzes the virtual call connection request signal received from the call test module 21a, grasps the incoming telephone number, and the subscriber board 23 to test the call with the port having the identified telephone number. Connect a call between ports. That is, the call test module 21a tests the call by connecting the call between each port of each subscriber board 23 to be tested with the port of the other subscriber board 23.

The call test module 21a outputs a call so that the operator can recognize the result of the call that is connected to the port of the subscriber board 23 by the exchange 10.

At this time, the call test module 21a outputs a virtual call connection result for each port of the subscriber board 23 through a display unit (not shown) provided in the FLC 20 or a separate printer (not shown). Can be printed on paper.

In addition, the call test module 21a virtually connects a call to a port of each subscriber board 23, and when performing a call test, each call board 21a can be given an arbitrary telephone number of the port of each subscriber board 23. Register the port number as a temporary phone number.

That is, the call test module 21a registers the port number assigned to each port of each subscriber board 23 as the called phone number and uses it as a virtual called phone number when performing a call test on the corresponding port.

3 is a flow chart illustrating the flow of a method for testing a call of transmission equipment according to a preferred embodiment of the present invention.

Referring to FIG. 3, first, an operator of the FLC 20 selects a debug mode of the FLC 20 when a call to a port of each subscriber board 23 is to be tested (S 1).

At this time, the operator selects the debug mode through the input means (not shown) provided in the FLC 20, or when the manufacturing or design of the FLC 20, by setting the debug mode selection button, the corresponding debug mode selection button You can choose through.

If the operator selects the call test mode in the debug mode, the channel control unit 21 drives the programmed call test module 21a (S 2).

The operator virtually connects a call to a port of each subscriber board of the FLC 20, and inputs a telephone station number to be used when performing a call test (S 3).

At this time, it is preferable that the telephone station number input by the operator uses the station number information of the exchange 10 to which the FLC 20 is connected through the trunk.

In addition, the operator inputs the information of the subscriber board 23 and the test count information to be tested (S 4).

The call test module 21a calculates the 'MaxportIndx' variable, which is the maximum call test variable, using the information of the subscriber board 23 input by the operator (S 5).

In this case, the call test module 21a may calculate the 'MaxportIndx' variable as shown in Equation 1 below.

MaxportIndx = (Number of Subscriber Boards * 30) -15

'MaxportIndx' is the maximum call test variable, 'Number of subscriber boards' is information on the number of subscriber boards to be performed by the operator, and '30' is the number of ports each subscriber board has, and '15' Is the number of ports corresponding to the called phone number when the call test for the port of the subscriber board.

For example, if the operator wants to test call for the '5' subscriber boards 23, the operator inputs the number information of the subscriber board 23 as '5', the call test module 21a is As shown in Equation 1, the maximum call testable variable may be calculated as '135', which means that a call test may be performed for '135' ports.

In addition, the call test module 21a performs a virtual call processing on a port of the corresponding subscriber board 23 (S6).

4 is a flowchart illustrating a flow in which a call test module performs a virtual call processing according to a preferred embodiment of the present invention.

4, the call test module 21a sets the destination port number (S 6a).

At this time, the call test module 21a may set the incoming port number by adding '15' to the port number of the subscriber board 23 input by the operator.

Here, '15' means an extra line, that is, an incoming telephone number, to be used as a destination port when a call test is performed by virtually connecting a call to a port of each subscriber board 23.

For example, if the operator wants to perform a call test on the port of the subscriber board '1', the call test module 21a is '0000' to '0014' on the subscriber board 23 '1'. Performs a virtual call processing to connect a virtual call to a port of the.

In addition, the call test module 21a may set the incoming port number from '0015' to '0029', which is a port of the next subscriber board 23.

That is, port '0000' of the first subscriber board 23 virtually connects a call to port '0015' of the second subscriber board 230, and port '0001' is virtually connected to port '0016'. Connect the call and set up the incoming port number to perform the call test.

Then, the call test module 21a sets the incoming telephone number using the set incoming port number (S 6b).

At this time, the call test module 21a sets the called telephone number by adding the called port number set to the telephone station number input by the operator.

That is, the destination port number set in the phone station number of the switchboard 10 connected to the trunk with the FLC 20 is the destination phone number, and a virtual destination phone number for virtually connecting a call to the port of the subscriber board 23 is selected. Set it.

Then, the call test module 21a includes the set virtual incoming telephone number and transmits the virtual call connection request signal to the switch 10 through the trunk unit 22 (S 6c).

In this case, the virtual call connection request signal transmitted by the call test module 21a to the switch 10 may be an Integrated Digital Loop Carrier (IDLC) message.

IDLC means a protocol for software processing of signals between the FLC 20 and the exchange 10.

That is, the call test module 21a generates an IDLC message including a virtual incoming telephone number of DECADIC method, which is mechanical telephone number information, and transmits the IDLC message to the exchange 10 through a trunk, and the exchange 10 Incoming IDLC messages are analyzed to determine the called phone number.

The exchange 10 connects the call with the port of the subscriber mode 23 having the called telephone number and the port of the subscriber mode 23 to which the operator intends to test the call.

In this case, it is preferable that the call test module 21a processes the virtual call processing of the port of each subscriber board 23 by a predetermined number of units, and in the detailed description of the present invention, the case of the virtual call processing by '15' units will be described. Explain.

In addition, the call test module 21a outputs the results of the '15' virtual call connection that the exchange 10 is connected (S 7).

In this case, the call test module 21a displays a virtual call connection result for each port of each subscriber board 23 through a display unit (not shown) of the FLC 20 or through a separate printer (not shown). Can print on paper.

The call test module 21a counts the number of times the virtual call processing is performed, and compares whether the counted number is equal to the number of call tests input by the operator (S8).

As a result of the comparison, if the counted number and the number input by the operator are not the same, the virtual call processing for the port of the corresponding subscriber board 23 is performed again (S6), and if the same, the corresponding subscriber board 23 End the call test on the port of.

5 is a block diagram illustrating a configuration of an apparatus for testing a call of transmission equipment according to another embodiment of the present invention.

Referring to FIG. 5, the FLC 20 and the exchange 10 are connected through a trunk, and the FLC 20 includes a channel control unit 21, a plurality of trunk units 22, and a plurality of subscriber boards 23. And a tone generator 24.

The exchange 10 analyzes the call connection request signal received from the FLC 20 or another exchange (not shown), grasps the called telephone number, and transmits a ring signal to the telephone having the called telephone number, thereby connecting the call. Be sure to

Each subscriber board 23 of the FLC 20 transmits a call connection request signal received from the telephone to the switch 10, and also transmits a call connection request signal received from the telephone exchange 10 to the telephone.

The trunk unit 22 is trunked with the switchboard 10 and transmits a call connection request signal received from the telephone via the subscriber board 23 to the switchboard 10 and received from the switchboard 10 via the trunk. The call connection request signal is transmitted to the corresponding phone through the subscriber board (23).

The channel control unit 21 grasps the call connection request signal received from the switchboard 10 through the trunk unit 22 and calls the received call to the called telephone through the subscriber board 23 connected to the called telephone. Send the connection request signal.

Then, the call connection request signal received through the subscriber board 23 from the telephone is transmitted to the switch 10 through the trunk unit 22.

In addition, the channel control unit 21 drives the programmed call test module 21a when the operator of the FLC 20 selects the call test mode among the debug modes.

The call test module 21a virtually connects a call to a port of each subscriber board of the FLC 20 when the operator selects the call test mode among the debug modes, and outputs the result for the operator to recognize. .

The tone generator 24 generates and provides a tone signal at the request of the channel control unit 21. At this time, the tone signal is for transmitting the telephone number information of the DTMF (dual tone multi frequency) method, DTMF refers to a signal generated when the button of the normal telephone is pressed and sent to the telephone station.

When the call test mode is set in the debug mode, the call test module 21a performs virtual call processing for each port of each subscriber board 23.

At this time, the call test module 21a attempts to make a call request through an IDLC message, which is a virtual call connection request signal for each port of the corresponding subscriber board 23, and does not use the decadic-typed incoming call number information. The generator 24 requests the tone signal corresponding to the incoming telephone number information. The call connection is then established using the tone signal received accordingly.

That is, the call test module 21a sets the destination port number of the call test module 21a (S6a).

At this time, the call test module 21a sets the incoming port number by adding '15' to the port number of the subscriber board 23 to be input while the operator selects the debug mode, and the set incoming port number and the operator enters the port number. Using the telephone station number, a virtual destination telephone number is set.

In addition, the call test module 21a includes the set virtual incoming telephone number, and does not include the decadic telephone number information when generating an Integrated Digital Loop Carrier (IDLC) message to be transmitted to the exchange 10. A call request is attempted through an IDLC message, which is a virtual call connection request signal.

After the call is set, the tone generator 24 requests a tone signal corresponding to the called telephone number, and transmits the tone signal generated accordingly to the exchange.

Then, the exchange 10 analyzes the received tone signal, identifies the called telephone number, and the port of the subscriber mode 23 having the identified called telephone number and the operator of the subscriber mode 23 that the operator wants to call. Connect the port to the call.

In addition, the call test module 21a outputs the result of the call that the exchange 10 connects to the port of each subscriber board 23.

Although the present invention has been described in detail only with respect to the described embodiments, it will be apparent to those skilled in the art that various modifications and changes are possible within the technical spirit of the present invention, and such modifications and modifications belong to the appended claims.

As described above, according to the present invention, by virtually connecting a call to a port of each subscriber board embedded in the optical subscriber transmission equipment, and when checking the state of the corresponding port, without using a separate test equipment or telephone In addition, since the call can be tested for the corresponding port in software, the cost of managing or maintaining the optical subscriber transmission equipment can be minimized.

In addition, since it is possible to manage and maintain the optical subscriber transmission equipment without using a separate equipment or a phone, there is an effect that can maximize the utilization of the space to operate the transmission equipment.

Claims (11)

In the transmission equipment providing a voice call service, including a plurality of subscriber board, When the call test mode is set according to an operator's selection, a call forwarding number of a port to which a voice call call is virtually connected to each port of each subscriber board is set, and the call forwarding number is used to send a virtual call connection request signal. A call test module which generates and provides a call and outputs a result when a call is virtually connected to each port according to the virtual call connection request signal; A trunk unit (C-) which transmits a virtual call connection request signal provided from the call test module to an external exchange and connects each port to be tested with the port having an incoming telephone number according to a control signal of the exchange. Apparatus for testing arcs of transmission equipment, including trunk units. The method of claim 1, wherein the call test module, Using the telephone station number information, the subscriber board information, and the test number information inputted from the operator, the called telephone number is set, and the number of times a call is virtually connected to each port is counted, and is not equal to the test number information. And repeating the call test for each port by the number of times input by the operator. The method of claim 2, wherein the incoming call number is The telephone station number information inputted from the operator is set as the station number information, and the call information of the transmission equipment characterized in that the number information obtained by adding the predetermined destination port number information to each port number of the subscriber board information is set as the number information. Device. The method of claim 1, And a tone generator for providing a tone signal corresponding to the called telephone number according to a request of the call test module. The method according to claim 1 or 4, wherein the call test module, The virtual call connection request signal is generated using the tone signal received accordingly by generating the called phone number information in a DECADIC method or by requesting a tone signal corresponding to the called phone number information to the tone generator. Apparatus for testing the call of the transmission equipment, characterized in that for generating. The method of claim 1, wherein the virtual call connection request signal, Device for testing the call of the transmission equipment, characterized in that the message of the Integrated Digital Loop Carrier (IDLC) protocol. A method of testing a call for each port of a transmission equipment having a plurality of subscriber boards, Setting a call test mode according to a selection of an operator of the transmitting equipment; Receiving subscriber board information, telephone station number information, and test number information for the call test from the operator; Calculating an incoming telephone number of a port for virtually connecting a call with each port of the subscriber board to be tested by using the input telephone station information and the subscriber board information; Generating a virtual call connection request signal using the calculated incoming telephone number and transmitting the generated virtual call connection request signal to an external exchange; Outputting, by the operator, a result of the virtual call connecting between the port to be tested and the port according to the called telephone number so that the operator can recognize the call; Comparing, by the exchange, whether information on the number of virtual calls connected to each port to be tested with the call is equal to the test number information; If the counted number information and the test number information are not the same, performing the call test for the respective ports by the remaining number of times of limiting the test number information in the counted number information. Method of testing arcs of transmission equipment. The method of claim 7, wherein the calculation of the called phone number is Calling number of the transmission equipment, characterized in that the telephone number number input by the operator as the station number information, and the called telephone number is calculated by using the number information obtained by adding a predetermined destination port number to each port number of the input subscriber board. How to test it. The method of claim 7, wherein the virtual call connection request signal, Method of testing a call of a transmission equipment, characterized in that the message of the Integrated Digital Loop Carrier (IDLC) protocol. The method of claim 7, wherein Requesting a tone signal corresponding to the calculated incoming telephone number to a tone generating means, and generating the virtual call connection request signal using the tone signal received from the tone generating means. Method of testing arcs of transmission equipment. The method of claim 9 or 10, wherein the message of the IDLC protocol method, A method of testing a call of a transmission equipment, characterized in that it is generated by using the incoming telephone number information of the DECADIC method or by using a tone signal received from the tone generating means.

Images