KR950005144B1 - Testing method about subscriber function of isdn - Google Patents

Abstract

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Description

Integrated IT Network User Part Function Test Method

1 is a block diagram of hardware to which the present invention is applied.

2 is a flow chart of a functional information network user unit function test method according to the present invention.

3 is a flow chart of the test method of each of the corresponding subtest items according to the present invention.

4 to 28 are detailed flow charts for the test performance processing of the respective detailed test items according to the present invention.

* Explanation of symbols for main parts of the drawings

1: central processing board 2: memory board

3: input / output board 4: data bus

5: address bus 6: control bus

7: outside bus

The present invention provides a function of an integrated telecommunication network user unit (hereinafter referred to as an ISUP) suitable for an integrated telecommunication network (hereinafter referred to as ISDN) in the common line signaling method No. 7 (No. 7) recommended by the international telecommunication telephone advisory committee. It is about how to test.

In adding the ISDN function to the exchange, the common line signaling method No. 7 (No. 7) is used as the inter-station signaling method. Therefore, the implementation of the ISUP function, which is a user part protocol suitable for the ISDN network, is inevitable.

The present invention implements the error correction algorithm of the functional test to be performed in the procedure of implementing the ISUP function in the FORF language (FORTH Language) using the protocol tester (K1195) to provide an environment of implementing the ISUP function more easily and completely. The purpose is to provide a test method.

In order to achieve the above object, the present invention provides a central processing board for performing a function test of a comprehensive information network user part, a memory board for mounting a function test software for a comprehensive information communication network user part, an input / output board for inputting / outputting with an external device, A comprehensive information network user part function test method applied to a system having a data bus, an address bus, a control bus, and an external bus for external communication interconnecting a memory board and an input / output board; A first step of determining a corresponding function key if there is an input according to an on-screen function key menu for selecting respective test items; A second step of performing each test item by determining a corresponding function key if an input according to a function key menu on a screen that provides a line monitoring function test menu control function is determined as a result of the corresponding function key determination; A third step of performing each test item by judging the corresponding function key if there is an input according to the on-screen function key menu provided by the normal call setting function test menu control function; A fourth step of performing the respective test items by determining the corresponding function key if there is an input according to the function key menu on the screen provided by the normal call recovery function test menu control function; A fifth step of performing the respective test items by judging the corresponding function key when there is an input according to the on-screen function key menu provided by the test function control menu during the abnormal function control result of the corresponding function key determination result; A sixth step of judging a corresponding function key and performing each test item when there is an input according to a function key menu on a screen provided by a call setup function test menu control function in a special case; And a seventh step of determining the corresponding function key and performing each test item when there is an input according to the on-screen function key menu provided by the basic service provision function test menu control function. .

Hereinafter, with reference to the accompanying drawings will be described an embodiment according to the present invention;

1 is a block diagram of the hardware to which the present invention is applied and shows a schematic structure of a protocol tester K1195.

As shown in the figure, 1 is a central processing board, 2 is a memory board, 3 is an input / output board, 4 is a data bus, 5 is an address, 6 is a control bus, and 7 is an external bus.

The hardware to which the present invention is applied includes a central processing board 1, a memory board 2, an input / output board 3 and a data bus 4, an address bus 5 between these boards, An external bus 7 for communication with the control bus 6 and the module under test is provided.

The user part functional test software according to the present invention is mounted on the RAM area of the memory board 2 through the external bus 7 and the input / output board 3 using an external diskette, and via the external bus 7. Since communication with the module under test is performed, the corresponding processing function is performed according to the input message, and the output is also made through the communication path.

In detail, the central processing board 1 analyzes the function test software mounted on the memory board 2 via the data bus 4, the address bus 5, and the control bus 6 to interpret the external bus 7; Perform the test of the general information communication network user part function in which there is a tester's command input through the keyboard input, that is, a keyboard input or an external message is transmitted / received from the target exchange (the general information network user part function). The test execution process of the user information function of the integrated information and communication network is automatically interpreted, judged, and processed by detecting an external message or keyboard input through the external bus (7). It is output to the tester's monitor screen and each test is finished item by keyboard input or external message transmission and reception.

2 is a flowchart of a method for testing a function of an integrated IT network user unit according to the present invention.

First, a menu of function keys 1,2,3,4,5,6 is displayed on the screen of the tester so that each test item can be selected in the entire test module menu control function (21).

If there is an input according to the function key menu on the screen, the corresponding function key is judged (22), and if 1 is input (23), the line monitoring function test menu control routine for testing functions such as closing, developing, and reproducing the line is performed. Jump to (29). In the line monitoring function test menu control routine, the corresponding test item and number are displayed as a function key menu on the screen of the tester so that each detailed test item can be selected. In other words, 1.1 displays an unassigned line, 1.2 plays a line, 1.3 closes a line, and 1.4 displays inappropriate signal information so that a test item can be selected (35).

If there is an input according to the function key menu on the screen, the corresponding function key is judged (35), and when "1.2" is selected in the item number menu above, a test procedure for line regeneration is started and the test is performed for line regeneration for an idle line. Reception of a message, transmission of a line regeneration message for an idle line, reception of a line regeneration message for a self-closed line, and reception of a line regeneration message for a state closed line.

If the decision result 35 for the corresponding function key, " 1.3 " is selected, a test procedure for closing the circuit is started and the test is performed for closing and opening the circuit, receiving a closed message, sending a closed message, and a circuit from both signaling points. After closing, each signaling signal is opened and initial address message is received for the other closed circuit.

If the determination result 35 for the corresponding function key is " 1.4 " selected, the test procedure for the inappropriate signal information message means is started and the test is performed by receiving an inappropriate signal information message, an unexpected message means, an expected value during call setup. Unsolicited messages and unexpected messages received during a call.

In the determination 22 for the corresponding key, if "2" is selected as in the case where the "1" is selected (24), the normal call setting function test menu control routine for testing a function of controlling a normal call setting can be tested. Jump to (30). In the normal call setting function test menu control routine, the corresponding test item and number are displayed as a function key menu on the screen of the tester so as to select each detailed test item. That is, 2.1 is bi-directional line selection to test initial number message transmission to control signal point, 2.2 is called party number transmission method to test batch transmission method, 2.3 is general call including address information of address completion message, address completion message and Select a test item by displaying a general call for call progress and response messages, a successful call setup that tests the closing and opening of one's own signaling point during a call, and the closing and opening of the other party's signaling point. The function key is determined (36) to allow testing.

In the judgment 22 for the corresponding key, if "3" is selected (25) as in the case where the "1" is selected (25), the normal call recovery function test menu control routine for testing a function for controlling the normal call recovery process Jump to (31).

In the normal call recovery function test menu control routine, a corresponding test item and a number are displayed as a function key menu on the screen of the tester so that each detailed test item can be selected. That is, 3.1 means call recovery from the calling party before receiving the address completion message, 3.2 means calling recovery from the calling party before receiving the response message, 3.3 means calling recovery from the calling party after receiving the response message, and 3.4 is called from the called party after the response. Call recovery, 3.5 indicates a collision of the recovery message, 3.6 indicates the verification of the recovery inch, selects a test item, determines the function key (37), and allows testing.

In judgment 22 for the corresponding key, if "4" is selected as in the case where "1" is selected (26), an abnormal situation control function test menu during which a playback during a call or a timer operation function can be tested Jump to control routine (32). The abnormal situation control function test menu control routine during the display displays the corresponding test item and number as a function key menu on the screen of the tester so that each detailed function item can be selected. In other words, 4.1 is the response to the recovery message after the response message, the call release function is disabled, 4.2 is a timer, 4.3 is a display of the line playback during the call to test the outgoing and incoming lines, select the test item and determine the function key ( 38) Test it.

In the decision 22 for the corresponding key, if " 5 " is selected as in the case where " 1 " is selected (27), a special case call can be tested for automatic retry or double occupancy control of the call. Jump to the setting function test menu control routine (33). In the special case, the call setup function test menu control routine displays the corresponding test item number on the screen of the tester as a function key menu so that each detailed function item can be selected. That is, 5.1 is an automatic retry to test the closing of a line, line regeneration and reception of inappropriate signal information, and 5.2 is to display a double occupancy at a control signal point to select a test item and determine a function key (39). To be tested.

In judgment 22 for the corresponding key, if "6" is selected (28), such as when "1" is selected, the basic to test a function of providing a service such as 64 Kbps unrestricted or 3.1 KHz audio, etc. Jump to the service provision function test menu control routine (34). In the basic service providing function test menu control routine, the corresponding test item number is displayed as a function key menu on the screen of the tester so that each detailed function item can be selected. In other words, 6.1 is a 64kbps unrestricted service that tests successful call setup and double occupancy. 6.2 displays a 3.1KHz audio service that tests successful call setup, allowing you to test by selecting a test item and determining a function key (40).

After selecting the function key as described above (35 to 40) to perform the corresponding sub-items or to perform the function according to the external message input (41), the detailed execution process will be described as shown in FIG.

3 is a flowchart illustrating a test method for each corresponding detailed test items 41 according to the present invention, and shows a process of processing the corresponding detailed test items 41 according to the result of the function key input determination 35 to 40. .

Selecting the corresponding test term (42) via the menu provided (29-34), first of all, after defining the variables used in the test term and initializing the table (43), the system is operated for the first time. Initializes the function key used in State0 (44). In this case, state 0 must be used first, and then in order.

If the external message is received in state 0 (45), if the external message is received, jumps to the corresponding action (Action) process of state n (46).

The external message is a call-related message that is input through a trunk of a test target exchange connected to a protocol and tester K1195, and includes an initial address message (IAM), an address complete message (ACM), and a response message. (Answer Message; ANM).

In the process, if an expected external message of the external message is not input within a predetermined time and an error occurs due to a timeout by a timer (50), jump to state n and display the corresponding error message on the tester screen. Generate an alarm sound (51). If the expected external message of the external message is input within a certain time period and the error does not occur, the test completion message is displayed on the screen through the trunk connected to the tester (52), and then jumps to the next state 0 (49). ).

If an external message is not received in state 0 and an initializing function key is input (47), jump to state n to perform the corresponding detail item (48), jump to state 0 again (49), an external message or Wait for the reset function key.

The process 46 and the detailed item performance 48 are summarized as matters to be checked for each detailed item 41 as shown in Table 1 below.

TABLE 1

Functional test contents by subcategory

The specific structure of each item of [Table 1] is as follows.

4 is a block diagram of item 1.1, when receiving (50) an IAM message, it is determined whether the circuit identifier in the message is unassigned (51) or not (52). .

5 is a diagram showing the case of the idle line (54), the figure 6 of the self-closing (57), and the figure 7 of the relative closure (60) of the item 1.2. It determines whether to transmit (61), notifies the occurrence of an error (56, 59, 62) and ends.

8 associated with item 1.3 determines (63) whether to transmit a closed message when receiving a closed message on an idle line (64), notifying an error (65) and ending. 9 also determines whether an open message destination 66 transmits an open message to the other closed line in connection with item 1.3 (67), notifies an error (68), and terminates.

FIG. 10 associated with item 1.4 determines (69) whether to transmit a line replay message when an unexpected message is received for an idle line (70), notifies an error (71), and terminates. 11 also relates to item 1.4, upon receipt of an unexpected message after receiving an IAM message (72), determines whether to transmit a line playback message (73), notifies the error (74), and terminates. 12 also determines 76 whether to ignore (75) upon receipt of an unexpected message during a call in connection with item 1.4, notifies the error and terminates (77).

FIG. 13 is a schematic diagram of item 2.1, and when an IAM message is transmitted (78), it is determined whether or not a call is possible through various signal procedures (79), an error is notified (80), and ends. FIG. 14 is a block diagram of item 2.2. In case of collectively transmitting the called number information during the transmission of the IAM message (81), it is determined whether the call is normally made and the call is available (82). FIG. 15 is a block diagram of Item 2.3. If the information in the message has various contents after the IAM message transmission (84), it is determined whether or not the call is possible (85), an error is informed (86), and ends.

16 is a block diagram of item 3.1. When a recovery message is transmitted before receiving an initial reverse message (address completion message) after receiving an IAM message (87), it is determined whether or not a recovery completion message is received (88) and an error is reported. (89) End. FIG. 17 is a block diagram of item 3.2. When a recovery message is transmitted after receiving an IAM message and before receiving a response message (90), it is determined whether a recovery message has been received (91), an error is signaled (92), and ends. 18 is a block diagram of item 3.3. When a recovery message during a call is transmitted (93), it is determined whether or not a recovery completion message has been received (94), an error is informed (95), and ends. 19 is a block diagram of item 3.4. When receiving a recovery message during a call (96), it is determined whether or not a recovery completion message is transmitted (97), an error is informed (98), and ends. FIG. 20 is a block diagram of item 3.5, in case of receiving a recovery message after transmitting a busy message (99) and determining whether or not a recovery completion message is received in response to the transmitted recovery message (100). It judges whether or not to transmit (101), notifies the error (102) and terminates. 21 is a block diagram of item 3.6, when receiving a recovery message having various cause values (103), it is determined whether or not proper processing is performed according to the cause values (104), and an error is informed (105).

FIG. 22 is a block diagram of Item 4.1. When receiving a recovery message during a call, if the call state cannot be converted to "idle" (106), it is determined whether the closed message is transmitted (107). If it is received (108) by determining whether or not to send a recovery completion message (107) if it is determined whether the reception of the closed recognition message is received (108), if it is received (109) to determine whether to send a recovery completion message (109) and informs the error ( 110) End. FIG. 23 determines when the timer necessary for various signal procedures is operated (111) and determines the appropriateness of the operation (112). FIG. 24 is a block diagram of item 4.3. When receiving a playback message during a call (114), it is determined whether or not a recovery completion message is transmitted (115), an error is informed (116), and the process ends.

FIG. 25 is a block diagram of the item 5.1. After receiving the IAM message, the closed message before the first reverse message is received and the replay message is determined (117). FIG. 26 is a block diagram of item 5.2. When receiving an IAM message immediately after sending an IAM message (120), it is determined whether to disregard when the exchange which sent the received message is an uncontrolled exchange (121) and notifies the error ( 122) End.

FIG. 27 is a block diagram of item 6.1. When an IAM message having 64 Kbps information is transmitted (123), it is determined whether or not a call function is performed (124), an error is informed (125), and ends. FIG. 28 is a block diagram of item 6.2. When an IAM message having 3.1 KHz audio information is transmitted (126), it is determined whether or not a call is possible (127), an error is notified (128), and ends.

The present invention configured and operated as described above is applicable to any electronic switch in which the ISUP function is implemented, so that the ISUP function can be completely and easily implemented.

Claims (8)

A central processing board (1) for performing the functional information network user part function test, a memory board (2) for mounting the comprehensive information network user part function test software, an input / output board (3) for input and output to and from the outside, and the central processing board (1) ) Is applied to a system having a data bus (4), an address bus (5), a control bus (6) and an external bus (7) for external communication, interconnecting the memory board (2) and the input / output board (3). In the integrated IT network user part function test method; A first step (21, 22) of determining a corresponding function key if there is an input according to a function key menu on a screen to select each test item; As a result of determining the corresponding function key, if there is an input according to the function key menu on the screen provided by the line monitoring function test menu control function, the second step (23, 29, 35, 41) of determining the corresponding function key and performing each test item; ; As a result of determining the corresponding function key, if there is an input according to the function key menu on the screen provided by the normal call setting function test menu control function, the third step (24, 30, 36, 41) is performed to determine the corresponding function key and perform each test item. ); And a fourth step (25, 31, 37, 41) of performing the respective test items by determining the corresponding function key if there is an input according to the on-screen function key menu provided by the normal call recovery function test menu control function. ); If there is an input according to the on-screen function key menu provided by the control function test menu control function, the fifth step of determining the corresponding function key and performing each test item (26, 32, 38, 41); In the special case of the corresponding function key determination result, if there is another input in the function key menu on the screen provided by the test setting function test menu control function, the sixth step of determining the corresponding function key and performing each test item (27, 33, 39) , 41); And a seventh step (28, 34, 40) of performing the respective test items by determining the corresponding function key if there is an input according to the on-screen function key menu provided by the basic service provision function test menu control function. 41. A method for testing a function of a user unit of an integrated information communication network, comprising: 41). The method (41) of claim 1, wherein the step (41) of performing each test item comprises: an eighth step (43) of initializing variable definitions and labels used in the test term when selecting a corresponding test term; A ninth step (44) of initializing a function key used in a state of waiting for an external message and an initialized function key after performing the eighth step (43); After performing the ninth step 44, if an external message is received, the tenth step (45, 46, 50) of displaying a test completion message and displaying an error message and an alarm sound when an error occurs after performing a corresponding process. , 51,52); An eleventh step (47, 48) of performing a corresponding process when a function key is input after the ninth step (44) is performed; And a twelfth step (49) of proceeding to a state of waiting for the external message and the initialized function key after performing processing according to the external message and function key input. The on-screen function key menu provided by the line monitoring function test menu control function includes unassigned lines, line regeneration, line closure, and reception of inappropriate signal information messages. Network user part function test method. 2. The function test of the general information communication network user part according to claim 1, wherein the on-screen function key menu provided by the normal call setting function test menu control function includes bidirectional line selection, called party number transmission method, and successful call setting. Way. The on-screen function key menu provided by the normal recovery function test menu control function includes: call recovery from the calling party before receiving a address completion message, call recovery from the calling party before receiving a response message, and a response message. A method for functional testing of a user part of an integrated telecommunications network comprising the verification of call recovery from a calling party after reception, a call recovery from a called party after a response, a collision of a recovery message and a cause of a recovery. The on-screen function key menu provided by the in-call abnormal situation control function test menu control function includes a call release disable function, a timer, and a busy line replay in response to receiving a recovery message after a response message. Comprehensive information communication network user unit function test method, characterized in that. The method of claim 1, wherein the on-screen function key menu provided by the special case call setup function test menu control function includes automatic retry and double occupancy. The method of claim 1, wherein the on-screen function key menu provided by the basic service provision test menu control function includes 64 Kbps unrestricted and 3.1 KHz audio service.