KR0123254B1 - Method for application process simulation - Google Patents

Abstract

Disclosed is a method to simulate an application process for testing a service member of intellectual network within a service exchanger(SSP). The method comprises 4 steps. In the first step(100 to the extent of 111), a category of the service member is determined according to the test data. In the second step(112 to the extent of 132), if the service is a receiving charge service, the receiving charge service is processed according to the transmitting number/grade. In the third step(133 to the extent of 158), if the service is a credit cash service, the credit cash service is processed according to the transmitting number/grade and the receiving number. In the fourth step(159 to the extent of 182), if the service is a charge accepting agency service, the charge accepting agency service is processed according to the transmitting number/grade. Thereby, the integrated service prevent a duplicate error.

Description

Application process simulation method for testing intelligent network service call in service switch

1 is a structural diagram of a service switch (SSP) to which the present invention is applied.

2 is a structural diagram of an application process (AP) simulator according to the present invention.

3 is a call flow diagram of an application process (AP) simulator in accordance with the present invention.

* Explanation of symbols for main parts of the drawings

10: Central Control Subsystem (CCS) 20: Network Subsystem (INS)

30: exchange subsystem (ASS) 50: existing call processing block

51: Applied Process Simulator

The present invention relates to an application process simulation method for identifying an interface between a call processing block and an application process in realizing an intelligent network service function in a conventional service exchange.

The conventional exchanger only handled general calls. However, as the demand level of the communication users increases, the intelligent network that has emerged to satisfy this demand is a service switching point (SSP) and a centralized database system that recognizes the intelligent network service call and performs a service exchange function. It is a network based on the service control system (hereinafter referred to as SCP) and uses the common line signaling method No.7 protocol.

The intelligent network has an easy structure for the introduction of a new sub, and the types of the intelligent network services are increasing. Therefore, the function of exchanging the intelligent network service calls to all the electronic exchanges that process the conventional general calls to provide various intelligent network services. It is necessary to add SSP function that is in charge.

When an SSP receives an intelligent network service call from an existing call processing block in order to provide an intelligent network service, the existing call processing connection determines a call charge service call, a credit call service call, or an information charge receiving service call. In order to verify, the query is formed in the application process block and transmitted to the service control point, which is a centralized database system, and the intelligent network service is provided according to the result.

In order to implement the intelligent network service function, the blocks in charge of the existing call processing function are modified in the SSP, the intelligent network service exchange. In order to test the modified call processing blocks, an AP simulator that mimics the function of an AP is needed because an application process (hereinafter referred to as an AP) that controls an intelligent network service call directly interfaces with an existing call processing block.

In the conventional application process simulator for testing an intelligent network call processing block, each application process simulator has been manufactured and used according to the type of the intelligent network services such as an incoming billing service call, a credit call service call, and an information charge storage service call.

Therefore, there is a problem that can not test the function test and verification according to the type of intelligent network service. Accordingly, an object of the present invention as described above is to provide an integrated AP simulation method for testing a modified call processing block of an intelligent network service.

In order to achieve the above object, the present invention provides a simulation method applied to an application process (AP) simulator connected to an existing call processing block of a service exchanger (SSP), wherein the type of service call is determined after localizing the data according to the data test type. Judging first step; A second step of processing the incoming billing service by translating the number according to the calling number / grade if the incoming billing service is performed after the first step; A third step of translating the credit call service by translating the number according to the calling number / grade and the called number if the credit call service is performed after the first step; And a fourth step of processing the information fee storage agency service by translating the number according to the calling number / surge, if the information charge storage agent service is performed after the first step.

The present invention receives all signals sent from the existing call processing blocks of the SSP to the AP simulator for each test item, and displays the variables and variable values included in each signal on the CRT screen and confirms that each variable is correctly received by the AP simulator. Test the processing blocks.

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

1 is a new subsystem for performing an intelligent network service exchange function, an application service element and a question-and-answer function application subsystem (ATHS) 31, and an intelligent network service subsystem (ISS) 35. The overall structure diagram of the configured SSP.

The electronic switchboard basically includes three subsystems: a central control subsystem (CCS) 10, a connection network subsystem (INS) 20, and a switching subsystem (ASS) 30. CCS (10) is a subsystem that performs the overall operation and maintenance of the system and provides functions such as system level maintenance management, fault control management, diagnosis and fault handling functions, billing, measurement and statistics, operator matching, etc. Controls disk and magnetic tape devices, which are auxiliary storage devices.

INS 20 is located in the middle of the system and performs the function of connecting between the ASS (30) mutually or between the ASS (30) and the CCS (10), ASS (30) using a space switch (S-switch) It configures a mutual call path or a path for supplying call announcement information or call mixing to subscribers.

ASS is equipped with subscriber and trunk line interface, time switch (T-switch), and various signaling devices to perform most call processing functions, self-operation and maintenance functions, etc. It has a horizontally distributed structure, and the transmission medium with the INS 20 is an optical link, which is called a data link. In addition, it has a digital subscriber interface, a No7 signaling device, a packet handler function, and a network interworking device function to enable an electronic switching system to exchange in an integrated information network (ISDN). . The original ASS 30 exists as one, but at the application stage ASS-S (subscriber), ASS-T (trunk), ASS-S / T (subscriber / trunk), ASS-7 (SS No. 7), ASS Required combinations such as -P (packets) may appear.

The newly added ATHS 31 is a subsystem that performs common line signaling (SS No. 7) protocol function for communicating with a service control system (SCP) to process intelligent network services, and the ISS (35). ) Performs the function of processing a specific intelligent network service, billing function related to service call, traffic control management and service switchboard maintenance and operation management function. The Signal Message Execution Subsystem (SMHS) 32 performs a Message Transfer Unit (MTP) function and a Signal Connection Control Unit (SCCP) function for delivering signal units in the common line signaling method (SS No. 7). The trunk access subsystem (LTAS) 33 mainly performs monitoring, control and test functions of subscriber and trunk line interfaces, and the control system is redundant by load balancing. The signal service subsystem (SSS) 36 generates and transmits various tone signals to a time switch by generating a dual tone multi-frequency receiver (DTMFR), an R2 multi-frequency complemented (MFC), and a continuity check tone (CCT). Function, and the traffic control subsystem (TCS) 34 has the capability to control and oversee all performance of the entire process of the call, i.e., call establishment, call monitoring, and tearing down, and the telephone data network subsystem (TDIS) ( 37) performs the interworking function with the data call of the telephone switching network.

The central switching subsystem (CSS) 23 is a space switch in the time-space-time (TST) switch structure, and the space switch connection control, network synchronization function and data link function with the ASS (30) or CSS (10) This is included. The network control subsystem (INCS) 21 performs search, connection, and disconnection control functions of a call of a time-space-time (T-S-T) switch, and also performs maintenance functions such as call tracking and passage establishment. The number translation control subsystem (NTCS) 22 receives the number translation request from the ASS 30 and then notifies the process of the number translation result, and performs a route control function for the network management function. In addition, various errors collected in the exchange maintenance subsystem (ASMS) 38, the network maintenance subsystem (INMS) 24, the central control maintenance subsystem (CCMS) 13, and the like are operated by the CCS 10. And to maintenance control subsystem (OMCS) 12. This determines the class of error, generates an alarm, and sends an output message through the operator-machine communication subsystem (MMCS) 11.

2 is a structural diagram of an AP simulator.

The AP simulator 51 directly interfaces with the existing call processing block 50 to test the intelligent network service function. When the AP simulator 51 receives the initial signal 56 from the existing call processing block, it sets various conditions in connection with the test, determines the intelligent network service, and executes a subprocess capable of processing the service. And three sub-processes 53, 54, and 55 that operate for each intelligent network service.

The main process 52, which recognizes the intelligent network service call by the initial signal 56 in the existing call processor, determines which intelligent network call is a service request, and if the incoming billing service call is the incoming billing service processing unit process 53, the credit call service. If it is a call, the credit call service processing part process 55 is started. Each of the sub-processes 53, 54, 55 communicates with the existing call processing block through a normal signal 57 and proceeds with the intelligent network service call according to the test item of the corresponding service.

In the present invention, except for the protocol processing unit and the primitive processing for message transmission in order to communicate with the SCP of the application process functions implemented mainly on the function processing for signal transmission and reception between the existing call processing unit and the application process. This includes timer setting function, announcement broadcasting function, normal / abnormal interaction processing function, additional information collection function, subscriber information transmission function, etc., and test data from the tester in a menu driven manner for setting test environment. To be collected. In addition, the progress and results of the test were printed on the cathode ray tube (CRT) screen to check.

3 is a call flow diagram of an AP simulator.

The AP simulator can be divided into fixed data and variable data for the existing call processing block test. The AP simulator main process 100 determines whether the test is due to the fixed data (101), and if it is not the fixed data, determines whether the variable data is tested (102). If it is not the variable data test in the variable data test determination, the test is terminated (103). If the variable data test, the message waiting time is input (104) and then the test item is input (105). After receiving the data, the AP simulator converts the input data into a local variable (106), and then the AP simulator enters the wait state for receiving the intelligent network service request (109).

In the AP simulator, if the fixed data is determined as a fixed data test (101), after collecting the initial data (107) and converting the collected data into a local variable (108), the AP simulator waits for receiving an intelligent network service request (109). Enter

The main process of the AP simulator that receives the intelligent network service request (110) from the trunk control (TKC) determines the intelligent network service call type (111) and compares the service data received from the TKC with the initial data given to the AP simulator in the case of an incoming billing service. If it is not matched (112), the recording guide / tone sending request 113 of the normal processing impossible notification is made by TKC, and then the data discrimination 101 is entered.

If the service data and the initial data coincide, the AP simulator main process executes a subprocess 114 to process the incoming billing service so that the incoming billing service processing is performed between the existing call processing block and the AP simulator subprocess.

The sub-process of the AP simulator performs the subsystem unavailability state analysis 115 and, if it is not available, makes a recording guide / tone transmission request 116 of notification of normal processing impossible by YKC, and then terminates the sub-process (117). The simulator enters the data discrimination 101 state.

If the subsystem is available, it sends a calling number and calling grade request 118 to the TKC and receives a calling number and calling grade notification 119 from the TKC. The AP simulator, which has received the calling number and class, determines whether the incoming billing service is eligible (120), and in the case of abnormal processing, requests 121 for recording guidance / tone transmission of a notification that cannot be processed normally by TKC, and then terminates the sub-process ( 122) and the AP simulator enters the data discrimination 101 state.

In case of normal processing, the TKC requests an incoming billing service call connection (123) and enters a message reception waiting state.

The TKC sends a number translation request to the number translation processing unit (hereinafter referred to as NTR) using the actual called number received from the subprocess. The NTR performs number translation, and the sub-process of the AP simulator receives the NTR's number translation result from the NTR as call type notification 124. The sub-process of the AP simulator receives the incoming status notification 125 from the TKC, analyzes the incoming status (126), and if the incoming status is not available, requests the recording guide / tone transmission of the normal processing impossible notification to the TKC (127). The sub process terminates 128 and the AP simulator enters the data determination 101 state.

If the incoming call is available, the call is connected with the called party after receiving the incoming charging service call connection notification 129 from the TKC. In order to confirm transmission and reception of existing call processing blocks and signals when performing all test items, the sub-process of the AP simulator displays the received call / incoming information on the cathode ray tube (CRT) screen. After the incoming call service release notification 131 is received from the TKC in the busy state 130, the sub-process of the AP simulator performs the call termination process and then terminates the sub-process 135 and enters the data determination 101 state. .

The intelligent network service call type is determined (111), if it is a credit call service, compared with the service data received from the TKC and the initial data given to the AP simulator (133). 134), and enters the data discrimination 101 state.

If the service data and the initial data coincide, the AP simulator main process executes the subprocess 135 to process the credit call service so that the credit call service process is performed between the existing call processing block and the AP simulator subprocess. The sub-process of the AP simulator performs the subsystem unavailability state analysis 136 and, if the state is not available, makes a recording guide / tone transmission request 137 of a notification not normally processed by TKC, and then terminates the sub-process 138, and the AP The simulator enters the data discrimination 101 state.

If the subsystem is available, it sends a calling number and calling grade request 139 to the TKC and receives a calling number and calling grade notification 140 from the TKC. After receiving the calling number and class, the AP simulator determines whether the credit call service is eligible (141), and in the case of abnormal processing, requests (142) recording guidance / tone transmission of a notification that cannot be processed normally by TKC, and ends the sub-process ( 143) and the AP simulator enters the data discrimination 101 state.

In the case of normal processing, the password input guide broadcast connection request 144 and the password input request 145 are transmitted to the TKC, and the called number input guide broadcast connection request 146 and the incoming number input request 147 are performed again. After making a DTMFR (Dual Tone Multiple Frequency Receiver) release request 148 with the TKC, the secondary process requests a credit call service call connection with the TKC (149) and enters a message waiting state.

The TKC sends a number translation request to the Number Translation using the actual called number received from the subprocess. The NTR performs number translation, and the sub-process of the AP simulator receives the NTR's number translation result from the NTR as call type notification 150. The sub-process of the AP simulator receives the call state notification 151 from the TKC, analyzes the call state (152), and if the call is not available, requests the recording guide / tone transmission of the normal processing notified notification to the TKC (153). The process ends (154) and the AP simulator enters the data determination 101 state.

If the incoming call is available, the call is connected with the called party after receiving the credit call service call connection notification 155 from the TKC. In order to check the existing call processing block and signal transmission and reception when performing all the test items, the sub-process of the AP simulator displays the received call / incoming information on the cathode ray tube (CRT) screen. The sub-process of the AP simulator that receives the credit call service call release notification 157 from the TKC in the busy state 156 performs the call termination process and then terminates the sub-process 158 and enters the data discrimination 101 state. .

If the intelligent network service call type is determined (111) and the information charge storage service is used, the service data received from the TKC and the initial data given to the AP simulator are compared (159). After request 160, it enters the data discrimination 101 state.

If the service data and the initial data coincide, the AP simulator main process executes a subprocess for processing the information storage agent service (161) so that the information storage agent service process is performed between the existing call processing block and the AP simulator subprocess. The sub-process of the AP simulator performs a sub-system unavailability state analysis 162, and if it is not available, the sub-process terminates the sub-process after making a recording guide / tone transmission request 163 of notification of normal processing impossible by TKC, and the AP The simulator enters the data discrimination 101 state.

If the subsystem is available, it sends a calling number and calling grade request 165 to the TKC and receives a calling number and calling grade notification 166 from the TKC. After receiving the calling number and class, the AP simulator determines whether the service charge storage service is eligible (167). In the case of abnormal processing, the AP simulator requests recording guidance / tone transmission of a notification that cannot be processed normally by TKC (168), and then the subprocess. At step 169, the AP simulator enters the data determination 101 state.

In the case of normal processing, TKC requests the information charge agency service editable announcement connection 170 and enters a message reception waiting state. The AP simulator subprocess, which receives the information fee storage agent service OK notification 171 from the TKC, makes a DTMFR release request 172 and a information fee storage agent service call connection request 173 to the TKC.

The TKC sends a number translation request to the Number Translation using the actual called number received from the subprocess. The NTR performs number translation, and the sub-process of the AP simulator receives the NTR's number translation result from the NTR as call type notification 174. The secondary process of the AP simulator receives the incoming status notification (175) from the TKC to analyze the incoming status (176). If the incoming call is not available, the AP simulator requests the recording guide / tone to be notified of normal processing by the TKC (177). The process ends (178) and the AP simulator enters the data determination 101 state.

In the case of an available call, after receiving the information charge storage agent service call connection notification 199 from the TKC, the call is connected with the called party. In order to confirm transmission and reception of existing call processing blocks and signals when performing all test items, the sub-process of the AP simulator displays the received call / incoming information on the cathode ray screen (CTR) screen. The sub-process of the AP simulator, which has received the chargeback service call release notification 181 from the TKC in the busy state 180, terminates the sub-process after performing the call termination process (182) and determines the data (101). Enter

The present invention as described above has the following effects.

first. The present invention can verify the function using the simulator before interworking with the application process for the function test and verification of the existing call processing block of the intelligent network service, and can solve the problems and functional errors that can be found at the time of interworking in advance. .

Second, unlike the application process created according to the existing intelligent network service call, it uses an integrated application process simulator with three main processes in one main process that handles the billing service, credit call service, and information storage service. Therefore, the functional test and the verification according to the type of intelligent network service call can be tested together.

Third, the AP simulator displays information necessary for transmitting and receiving signals with the existing call processing block on the cathode ray tube (CRT) screen and has a test function for a specific signal of the call processing block to check the call processing state of the intelligent network service.

Claims (5)

A simulation method applied to an application process (AP) simulator 51 connected to an existing call processing block 50 of a service exchanger (SSP), comprising: a first method of determining a type of a service call after localizing data according to a data test type Step 100 to 111; After performing the first step (100 to 111), the second step (112 to 132) to process the incoming billing service by translating the number according to the calling number / grade if the incoming billing service; After performing the first step (100 to 111), if the credit call service, the third step (133 to 158) to process the credit call service by translating the number according to the calling number / grade and the called number; and the first step (100 to 111) 111) After performing, the service exchanger (SS) comprising a fourth step (159 to 182) for processing the information charge storage service by translating the number according to the calling number / grade if the information charge storage service is performed. Applied process simulation method for testing intelligent network service calls in P). According to claim 1, wherein the first steps (100 to 111), the main process of the application process (AP) simulator is a fifth step (100, 101, 102) of determining the type of test data; performing the fifth step (100, 102, 103) After the variable data test, the application process simulator receives a message waiting time and a test item, changes the input data into a local variable, and then transitions to an intelligent network service request reception state (steps 104, 105, 106, and 109); (100, 101, 102) after the fixed data test, the application process simulator collects initial data and converts it into a local variable and then transitions to the intelligent network service request reception state (107, 108, 109); And an eighth step (110, 111) of determining the type of the intelligent network service call after receiving the intelligent network service request in the state of the intelligent network service request reception state. Application process simulation method for testing intelligent network service calls in SSP. The second step (112 to 132) is a fifth step of comparing the service data received from the TKC (Trunk Control) and the initial data given to the application process (AP) if the incoming billing service ( After performing the fifth step 112, if the two data do not match, the TKC requests a recording guide / tone transmission request of the normal processing not possible, and then returns to the data determination state of the first steps (100 to 111). A sixth step (113, 114, 115) of executing the billing service processing unit process to analyze the state of the subsystem when the two data coincide with each other; after performing the sixth step (113, 114, 115), if the state is not available, normal processing with the TKC. The sub-process is terminated after the recording guide / tone transmission request of the non notification is notified and the application process (AP) simulator transitions to the data discrimination state. A seventh step (116 to 120) of determining a normal processing after receiving the calling number and the calling grade by requesting a rating; after performing the seventh step (116 to 120), if it is an abnormal process, the normal processing cannot be notified to the TKC. The sub-process terminates after requesting the announcement / tone transmission of the AP and the AP process transitions to the data discrimination state, and if the sub process is normal, the sub-process requests the incoming call service call connection to the TKC. An eighth step (121 to 126) of receiving a call state notification from the TKC and receiving a call state notification from the number translation processing unit (Number Translation) in a message reception waiting state; And after performing the eighth step (121 to 126), if the incoming call is not available, the sub-process is terminated after requesting the TKC to transmit the recording guide / tone of the normal processing impossible notification. The sub-process receiving the charging charge service call release notification from the TKC in a busy state in which a call is connected to the called party after receiving the incoming charging service call connection notification from the TKC when the data determination state is available and the incoming call is available. Application process simulation for testing an intelligent network service call in a service switch (SSP), comprising the ninth steps (127 to 132) of terminating the sub-process and ending the sub-process and transitioning to the data discrimination state. Way. The method of claim 1, wherein the third step (133 to 158) comprises: a fifth step (133) for comparing service data received from a TKC with initial data given to the application process (AP) simulator in the case of a credit call service; After performing the fifth step 133, if the two data do not match, the TKC requests the recording guide / tone transmission request of the normal processing and then transitions to the data determination state of the first step (100 to 111). A sixth step (134, 135, 136) of executing a credit call service processing unit process to analyze the status of the subsystem if the data match; if the six steps (134, 135, 136) are performed, recording of the normal processing cannot be processed by the TKC if it is not available. After the announcement / tone transmission request, the sub-process is terminated, and the application process (AP) simulator transitions to the data discrimination state and, if available, the calling number and calling grade to the TKC. Obtaining the caller ID and caller grade notification, and determining whether or not the normal processing is performed; after performing the seventh step (137 to 141), in the case of abnormal processing, the normal processing cannot be notified to the TKC. The sub-process is terminated after requesting the recording guidance / tone transmission of the application, and the AP process transitions to the data discrimination state, and in the case of normal processing, a password input guide broadcast connection request and a password input request to the TKC. Requesting the incoming call number, requesting the call announcement, requesting the incoming call number, requesting the release of DTMFR (Dual Tone Multiple Frequency Receiver) and credit call service, and receiving the number translation result from the number translation processing unit while receiving a message. An eighth step (142 to 152) of receiving a call type notification and receiving a call state notification from the TKC to analyze a call state; And after performing the eighth step (142 to 152), if the incoming call is not available, the sub-process is terminated after requesting the TKC to send the recording guide / tone of the normal processing impossible notification. The sub-transmitter receives the credit call service call release notification from the TKC in a busy state in which a call is connected to the called party after receiving a credit call service call connection notification from the TKC in case of a call availability state. The process includes a ninth step (153 to 158) of terminating the sub-process after the call termination processing and transitioning to the data determination state. Application process simulation method. 4. The method of claim 1, wherein the fourth step (159 to 182) comprises: a fifth step (159) of comparing service data received from the TKC with initial data given to the application process (AP) simulator in the case of information charge storage service; After performing the fifth step 159, if the two data do not match, the TKC requests the recording guide / tone transmission request of the normal processing impossible, and then transitions to the data determination state of the first step (100 to 111), A sixth step (160, 161, 162) of executing the information charge storage service processing unit process when the two data match, to analyze the state of the subsystem; After performing the sixth step (160, 161, 162), if it is not available, the sub-process is terminated after the recording guide / tone transmission request of the normal processing cannot be notified to the TKC and the application process (AP) simulator enters the data determination state. A seventh step (163 to 167) of determining whether or not normal processing is performed after receiving the calling number and calling grade notification by requesting the calling number and calling grade from the TKC if the state of transition is available; After performing the seventh step (163 to 167), in the case of abnormal processing, the sub-process is terminated after requesting the TKC for recording guidance / tone transmission of a normal processing impossible notification and the application process (AP) simulator performs the data. In the normal state, the sub-receipt requesting the information charge storage service editable announcement broadcast connection to the TKC, and receiving the information charge storage service OK notification from the TKC in a message reception waiting state. The process receives the DTMFR release request from the TKC and the connection request for the information charge storage service, and then receives the number translation result from the Number Translation processing unit as a call type notification and receives the incoming status notification from the TKC to receive the incoming state. An eighth step (168-176) of analyzing; And after performing the eighth step (168 to 176), if the incoming call is not available, the sub-process is terminated after requesting the TKC to transmit the recording guide / tone of the normal processing impossible notification. Transitioning to the data discrimination state, and in the case of an available call state, receiving the information charge storage agent service call connection notification from the TKC and receiving the information charge storage agent service call release notification from the TKC in a busy state where the call is connected with the called party. The received sub-process includes an ninth step (177 to 182) of terminating the sub-process and transitioning to the data determination state after performing a call termination process. Applied process simulation method for testing an arc.