CN106973139B - Test tool and test method for detecting functions of circuit switching board card - Google Patents
Test tool and test method for detecting functions of circuit switching board card Download PDFInfo
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- CN106973139B CN106973139B CN201710198264.6A CN201710198264A CN106973139B CN 106973139 B CN106973139 B CN 106973139B CN 201710198264 A CN201710198264 A CN 201710198264A CN 106973139 B CN106973139 B CN 106973139B
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Abstract
The invention discloses a test tool and a test method for detecting the function of a circuit switching board card, wherein the tool comprises: the system comprises a bottom plate, a service plate, a circuit switching plate, a vehicle-mounted communication system analog telephone and a network switching system analog telephone, wherein the bottom plate realizes service connection and external interface introduction among all board cards; the service board is arranged on the bottom plate and comprises: the electronic device comprises a CPU module, an E1 interface module, a network switching module, a CPLD module, a voice interface module and a power supply conversion module, wherein the E1 interface module is connected to the CPU module through a bus and is connected to a circuit switching board through an E1 line; the network switching module is connected to the CPU module through a bus and is connected to the circuit switching board through the Ethernet; the CPLD module is connected to the CPU module through a bus, connected to the E1 interface module through the PCM, and connected to the circuit exchange board through the PCM; the voice interface module is connected to the CPLD module through PCM and is respectively connected with the analog telephone of the vehicle-mounted call system/the network switching system through an analog two-wire; the power conversion module provides power for each module.
Description
Technical Field
The invention relates to detection of communication equipment, in particular to a test tool for detecting functions of a circuit switching board card.
Background
The function of the circuit switching board is detected, and an on-vehicle communication system and a network switch system are required. If the two system devices are purchased for detecting the functions of the board card, the cost is high economically. Moreover, when a product performance test is performed on the circuit switching board, if a high-low temperature test is performed, the two systems are used, so that the batch test environment is inconvenient to build, and the batch production and debugging of the circuit switching board are not facilitated.
When the circuit switch board function is detected, the actual vehicle-mounted call system and the network switch system which are needed to be used are not beneficial to building a test and debugging environment in batches. The batch production and debugging of the circuit switching board require a tool with stronger comprehensiveness for testing.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides a test tool for detecting the functions of a circuit switch board card, which is used as a comprehensive tool to build test and debugging environments in batches so as to finish batch production and debugging of the circuit switch board.
The technical scheme for solving the technical problems is as follows: the utility model provides a test fixture for detecting circuit switching integrated circuit board function, includes: a backplane, a service board, a circuit switching board, a car-mounted call system analog telephone, and a network switching system analog telephone, wherein,
the bottom board is used for realizing service connection among the board cards and introducing external interfaces, providing an Ethernet interface, an E1 interface and a PCM interface between the circuit switching board and the service board, wherein the external interfaces are provided with a power supply interface and an analog two-wire interface;
the service board is arranged on the bottom board and comprises: CPU module, E1 interface module, network exchange module, CPLD module, voice interface module and power supply conversion module, wherein,
the CPU module is used for initializing each module of the service board, controlling interaction of vehicle-mounted call signaling and controlling interaction of network signaling;
the E1 interface module is connected to the CPU module through a bus and is also connected to the circuit switching board through an E1 line, and the E1 interface module is used for providing vehicle-mounted call voice access and signaling access functions;
the network switching module is connected to the CPU module through a bus and is also connected to the circuit switching board through an Ethernet; the network switching module is used for providing a UDP voice signaling interaction function of the network switch;
the CPLD module is connected to the CPU module through a bus, connected to the E1 interface module through PCM, and connected to the circuit switching board through PCM; the CPLD module is used for providing PCM voice exchange function;
the voice interface module is connected to the CPLD module through PCM and is respectively connected with the vehicle-mounted call system analog telephone and the network switching system analog telephone through analog two lines;
the power supply conversion module is used for converting external power supply into various working voltages required by the internal circuit of the service board and supplying power to each module;
the circuit switching board is arranged on the bottom board and is respectively connected with the modules in the service board through Ethernet, an E1 line and PCM;
the vehicle-mounted communication system analog telephone and the network switching system analog telephone are respectively connected with the voice interface module in the service board through an analog two-wire.
On the basis of the technical scheme, the invention can be further improved as follows.
Further, the software installed in the service board includes: the system comprises a main control module, a vehicle-mounted call system voice signaling analysis module, a network switch voice signaling analysis module and a telephone voice signaling analysis module.
Further, still include: and a timer management module.
Further, still include: and an event management module.
Further, the vehicle-mounted communication system voice signaling analysis module receives a signaling transmitted by an E1 interface, and analyzes and processes the signaling according to a protocol; meanwhile, according to the protocol, signaling is sent to the circuit switching board through an E1 interface; and receiving an off-hook/on-hook signaling event of a simulation two-line of the simulated telephone of the vehicle-mounted communication system to start/terminate a signaling flow of the vehicle-mounted communication system.
Furthermore, the network switch voice signaling analysis module receives the network signaling transmitted by the Ethernet interface, and analyzes and processes the signaling according to a protocol; meanwhile, according to the protocol, sending a network switch signaling to the circuit switch board through the Ethernet interface; and receiving off/on-hook signaling events of the analog two-line of the network switching system analog telephone to start/terminate the signaling process of the network switch.
Furthermore, when the event of off-hook and on-hook occurs in the analog two-line, the telephone voice signaling analysis module acquires the event, puts the event into a message queue, and sends the event into a telephone call processing flow for processing; in the call processing flow, the starting, terminating, busy and idle events are transmitted to the corresponding call processing flow of the vehicle-mounted communication system or the call processing flow of the network switch.
Furthermore, the timer management module manages a timer, provides a timing start and timing close interface function, and puts a time overtime event and telephone user information corresponding to the time overtime event into a message queue; when each signaling processing module has timing operation, the timer carries out corresponding processing according to the specific operation.
Furthermore, the event management module provides an event management message queue, puts and extracts events according to the queue mode, and then extracts the events from the message queue according to the sequence of the events in the call processing flow for processing.
The invention also provides a test method for detecting the functions of the circuit switching board card, which uses the test tool and comprises the following steps:
s1, the vehicle-mounted communication system simulates telephone off-hook;
s2, the vehicle-mounted call system of the service board simulates the telephone call processing flow to detect the off-hook signaling event, and the off-hook event is sent to the E1 voice signaling analysis processing flow of the vehicle-mounted call system; the voice signaling analysis processing flow sends E1 calling application signaling to E1 signaling processing flow in a circuit switching board through an E1 line; at this time, the E1 signaling processing flow of the circuit switching board receives the signaling;
s3, in the circuit switching board, after the E1 signaling processing flow task receives the E1 calling party application signaling, the calling party connection establishment application event is sent to the network signaling processing flow task through the message queue;
s4, in the circuit switching board, after the network signaling processing flow task receives the calling party connection establishment application event sent by the E1 signaling processing flow task, the network signaling processing flow task sends a network calling party connection establishment application to the service board through the Ethernet; at this time, the network voice signaling analysis processing flow of the service board receives the calling application signaling;
s5, in the service board, the task of analyzing and processing network voice signaling analyzes the called phone number through the received calling application signaling, and transmits the signaling to the network switching system to simulate the analysis and processing flow of the telephone voice signaling, if the called phone of the network switching system is idle, the called phone will ring;
s6, the analog telephone idle state of the network switching system will analyze and process the flow task through the network voice signaling of the service board, and send the idle event of the called telephone to the circuit switching board through the Ethernet; meanwhile, the network signaling processing flow task of the circuit switching board receives the idle event of the telephone;
s7, in the circuit switching board, after the network signaling processing flow task receives the idle event of the called phone, the network signaling processing flow task sends a routing success event to the E1 signaling processing flow task through the message queue;
s8, in the circuit switching board, the E1 signaling processing flow task receives the routing success event, and sends the E1 routing success event to the E1 voice signaling analysis processing flow task of the service board through the E1 line;
s9, in the service board, after the E1 voice signaling analysis processing flow task receives the E1 routing success event, the E1 circuit sends the E1 reverse occupation success event to the circuit switching board;
s10, after the analog telephone of the network switching system rings, the telephone is picked up; the network exchange system of the service board simulates the analysis and processing flow of telephone voice signaling, detects and receives the off-hook signaling event, and sends the event to the analysis and processing flow of the network voice signaling of the service board;
s11, in the service board, analyzing and processing the flow task by the network voice signaling, and sending the called response event to the flow task of processing the network signaling of the circuit switching board through the Ethernet; meanwhile, the network signaling processing flow task of the circuit switching board receives the called response event;
s12, in the circuit switching board, after the network signaling processing flow task receives the called response event, the called response event is sent to the E1 signaling processing flow task through the message queue;
s13, in the circuit switching board, the E1 signaling processing flow task sends the E1 called response event to the service board through the E1 line; meanwhile, the E1 voice signaling analysis processing flow task of the service board receives an E1 called response event;
s14, in the service board, after the E1 voice signaling analysis processing flow task receives the E1 called response event, the E1 voice signaling analysis processing flow task sends the called response event to the analog telephone voice signaling analysis processing flow of the vehicle-mounted communication system; at this time, the voice link establishes connection, and the analog telephone of the vehicle-mounted communication system and the analog telephone of the network switching system can communicate with each other; the call processing flow for establishing the call is completed.
The test tool for detecting the functions of the circuit switching board card adopts a modular design to complete the function test of the circuit switching board; the two types of voice signaling systems are integrated by a circuit board card through hardware and software design, and the telephone switching functions of the circuit switching board for the two types of voice signaling systems can be debugged and checked through a hot line mode of externally connecting two telephones.
Drawings
FIG. 1 is a schematic structural diagram of a test fixture according to the present invention;
FIG. 2 is a schematic structural diagram of a service board according to the present invention;
FIG. 3 is a flow chart of a test method of the present invention;
in the drawings, the parts names represented by the respective reference numerals are listed as follows:
100 base plate
200 service board
201 CPU module
202E 1 interface module
203 network switching module
204 CPLD module
205 voice interface module
300 circuit exchange board
400 vehicle-mounted communication system analog telephone
500 network switching system analog telephone
Detailed Description
The principles and features of this invention are described below in conjunction with the following drawings, which are set forth by way of illustration only and are not intended to limit the scope of the invention.
Fig. 1 is a schematic structural diagram of a test fixture for detecting functions of a circuit switch board according to the present invention. The test fixture comprises: a backplane 100, a service board 200, a circuit switching board 300, a car talk system analog phone 400, and a network switching system analog phone 500, wherein,
the bottom board 100 is used for realizing service connection between the board cards and introducing external interfaces, and providing an ethernet interface, an E1 interface and a PCM interface between the circuit switching board and the service board, wherein the external interfaces include a power supply interface and an analog two-wire interface;
referring to fig. 2, as shown in the figure, the service board 200 is disposed on the bottom plate 100, and is a core component of the test fixture of the present invention, and includes: a CPU module 201, an E1 interface module 202, a network switch module 203, a CPLD module 204, a voice interface module 205, and a power conversion module (not shown), wherein,
the CPU module 201 is configured to initialize each module of the service board, perform vehicle-mounted call signaling interaction control, and perform network signaling interaction control, and for example, may use an STM32F103ZET6 chip of ST corporation;
the E1 interface module 202 is connected to the CPU module 201 through a bus and also connected to the circuit switching board 300 through an E1 line; the E1 interface module 202 is used to provide car-mounted call voice access and signaling access functions, for example, a DS2155 chip of Maxim corporation can be used;
the network switching module 203 is connected to the CPU module 201 through a bus and is also connected to the circuit switching board 300 through an ethernet; the network switching module 203 is used for providing a UDP voice signaling interaction function of a network switch, for example, a W5300 chip of WIZ net company may be used;
the CPLD module 204 is connected to the CPU module 201 through a bus, connected to the E1 interface module 202 through PCM (Pulse code modulation), and connected to the circuit board 300 through PCM; the CPLD module 204 is used for providing PCM voice exchange function, for example, EPM570T144I5N chip of ALTERA company can be used;
the voice interface module 205 is connected to the CPLD module 204 through PCM, and is connected to the car-mounted call system analog phone 400 and the network switching system analog phone 500 through analog two lines, respectively;
the power supply conversion module is used for converting external power supply into various working voltages required by the internal circuit of the service board, providing power for each module and ensuring the stable operation of the service board.
The software installed in the service board includes the following 6 modules:
1. main control module
The initialization work of the on-chip hardware chip is mainly carried out, and the calling of each task module is carried out.
2. Voice signaling analysis module of vehicle-mounted communication system
① receives the signaling from E1 interface, analyzes and processes the signaling according to the protocol, and sends the signaling to the circuit switching board through E1 interface according to the protocol.
② receives the off-hook/on-hook signaling event of the analog two-wire of the analog telephone of the vehicle-mounted communication system to start/stop the signaling process of the vehicle-mounted communication system.
3. Voice signaling analysis module of network switch
① receives the network signaling from the 10M/100M Ethernet interface, analyzes and processes the signaling according to the protocol, and sends the network switch signaling to the circuit switch board through the Ethernet interface according to the protocol.
② receives the off-hook/on-hook signaling event of the analog two-wire of the network switch system analog telephone to start/terminate the signaling flow of the network switch.
4. Telephone voice signaling analysis module
① when the simulated two-line has the event of off-hook, on-hook, etc., the event is obtained and put into the message queue, and the event is sent to the telephone call processing flow for processing.
② in the call processing flow, the corresponding vehicle-mounted communication system analog telephone/network switching system analog telephone start, stop, busy, idle and other events are transmitted to the corresponding vehicle-mounted communication system call processing flow or the network switching system call processing flow.
5. Timer management module
And the management timer provides a timed starting and a timed closing interface function and puts the time overtime event and the telephone subscriber information corresponding to the time overtime event into a message queue. When each signaling processing module has timing operation, the timer carries out corresponding processing according to the specific operation.
6. Event management module
Providing an event management message queue, and putting and extracting events according to a queue mode; for example, after an off-hook event and an on-hook event are generated, the off-hook event and the on-hook event are put into a message queue, and then extracted from the message queue according to the sequence of the events in the call processing flow for processing.
The circuit switching board 300 is disposed on the bottom board 100, and is respectively connected to the modules in the service board 200 through ethernet, E1 line and PCM;
the vehicle-mounted communication system analog telephone 400 is connected with the voice interface module 205 in the service board 200 through an analog two-wire;
the network switching system analog phone 500 is connected to the voice interface module 205 in the service board 200 via an analog two-wire line.
Referring to fig. 3, it is a flow chart of the testing method of the present invention, which includes the following steps:
s1, the car-mounted communication system analog telephone (shown as telephone 1 in the figure) goes off-hook.
S2, the vehicle-mounted call system simulation telephone call processing flow of the service board detects the off-hook signaling event, and the off-hook event is sent to the E1 voice signaling analysis processing flow of the vehicle-mounted call system. The voice signaling analysis processing flow sends E1 calling application signaling to E1 signaling processing flow in the circuit switching board through E1 line. At this time, the E1 signaling process flow of the circuit switching board receives the signaling.
And S3, in the circuit switching board, after the E1 signaling processing flow task receives the E1 calling party application signaling, the calling party connection establishment application event is sent to the network signaling processing flow task through the message queue.
And S4, in the circuit switching board, after the network signaling processing flow task receives the calling party connection establishment application event sent by the E1 signaling processing flow task, the network signaling processing flow task sends a network calling party connection establishment application to the service board through the Ethernet. At this time, the network voice signaling analysis processing flow of the service board receives the calling application signaling.
S5, in the service board, the network voice signaling analysis processing flow task analyzes the called phone number through the received calling application signaling, and transmits the signaling to the network switching system analog phone (shown as phone 2) voice signaling analysis processing flow, and if the called phone of the network switching system is idle at this time, the called phone (phone 2) rings.
S6, the analog telephone idle state of the network switching system will analyze and process the flow task through the network voice signaling of the service board, and send the called telephone idle event to the circuit switching board through the Ethernet. At the same time, the network signaling processing flow task of the circuit switching board will receive the idle event of the phone.
And S7, in the circuit switching board, after the network signaling processing flow task receives the idle event of the called telephone, the network signaling processing flow task sends a routing success event to the E1 signaling processing flow task through the message queue.
And S8, in the circuit switching board, the E1 signaling processing flow task receives the routing success event, and sends the E1 routing success event to the E1 voice signaling analysis processing flow task of the service board through an E1 line.
And S9, in the service board, after the E1 voice signaling analysis processing flow task receives the E1 routing success event, the E1 circuit sends the E1 reverse occupation success event to the circuit switching board.
S10, at this time, the analog telephone of the network switching system rings and is taken off the hook. The network exchange system of the service board simulates the analysis and processing flow of telephone voice signaling, detects and receives the off-hook signaling event, and sends the event to the analysis and processing flow of network voice signaling of the service board.
S11, in the service board, the network voice signaling analysis process flow task, through Ethernet, to send the called response event to the network signaling process flow task of the circuit switching board. Meanwhile, the network signaling processing flow task of the circuit switching board receives the called response event.
And S12, in the circuit switching board, after receiving the called response event, the network signaling processing flow task sends the called response event to the E1 signaling processing flow task through the message queue.
And S13, in the circuit switching board, the E1 signaling processing flow task sends the E1 called response event to the service board through an E1 line. Meanwhile, the E1 voice signaling analysis processing flow task of the service board receives the E1 called response event.
And S14, in the service board, after the E1 voice signaling analysis processing flow task receives the E1 called response event, the E1 voice signaling analysis processing flow task sends the called response event to the analog telephone voice signaling analysis processing flow of the vehicle-mounted communication system. At this time, the voice link establishes a connection, and the analog phone of the car-mounted call system and the analog phone of the network switching system can talk with each other. The call processing flow for establishing the call is completed.
In this way, the E1 signaling processing function and the network signaling processing function of the circuit switching board are detected. After the signaling is connected, the voice is normal, and the function of the voice PCM interface is detected.
The CPU program in the service board first performs hardware initialization and reset operations on each main chip (such as STM32F103ZET6 processor, DS2155 chip, W5300 chip) in the service board, and then reads configuration information of telephone numbers of an analog phone of the car-mounted call system and an analog phone of the network switching system through the internet access; initializing each signaling processing task, including an analog telephone voice signaling analysis processing task, an E1 voice signaling analysis processing task of a vehicle-mounted communication system and a voice signaling analysis processing task of a network switching system; carrying out interrupt forbidding and starting operations on the timer; in the while loop, each signaling task is continuously executed to realize the function.
Therefore, the invention adopts a modular design to complete the function test of the circuit switching board, and the service board simulates and tests the voice signaling part of the vehicle-mounted communication system and the voice signaling system of the network switching system related to the circuit switching board; the bottom plate realizes the business connection among the board cards and the introduction of an external interface; and the circuit switching board and the service board carry out (UDP) user data message protocol voice signaling interaction and E1 relay voice signaling interaction through an Ethernet and an E1 interface, so that voice communication between the vehicle-mounted communication system analog telephone and the network switching system analog telephone is realized.
The invention mainly has the following characteristics:
1. voice signaling system simulating E1 interface of vehicle-mounted communication system
The positive effects of the innovation point are as follows:
the simulated voice signaling system of the E1 interface of the vehicle-mounted communication system utilizes the HDLC controller of the DS2155 chip to establish a hardware link, takes out and sends signaling data from the time slot of the HDLC controller, meets the requirement of a communication protocol in processor software, and meets the debugging and checking requirements of the voice communication functions of a circuit switching board and the vehicle-mounted communication system.
2. Voice signaling system simulating UDP interface of network switch
The positive effects of the innovation point are as follows:
the simulated voice signaling system of the network switch UDP interface receives and sends signaling through the IP port of the Ethernet, meets the requirement of a data message voice signaling protocol in processor software, and meets the debugging and inspection requirements of the voice communication functions of a circuit switching board and the network switch.
3. The voice signaling system is integrated on a board card
The positive effects of the innovation point are as follows:
the two types of voice signaling systems are integrated by a circuit board card through hardware and software design, and the telephone switching functions of the circuit switching board for the two types of voice signaling systems can be debugged and checked through a hot line mode of externally connecting two telephones.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (10)
1. The utility model provides a test fixture for detecting circuit switching integrated circuit board function which characterized in that includes: a backplane, a service board, a circuit switching board, a car-mounted call system analog telephone, and a network switching system analog telephone, wherein,
the bottom board is used for realizing service connection among the board cards and introducing external interfaces, providing an Ethernet interface, an E1 interface and a PCM interface between the circuit switching board and the service board, wherein the external interfaces are provided with a power supply interface and an analog two-wire interface;
the service board is arranged on the bottom board and comprises: CPU module, E1 interface module, network exchange module, CPLD module, voice interface module and power supply conversion module, wherein,
the CPU module is used for initializing each module of the service board, controlling interaction of vehicle-mounted call signaling and controlling interaction of network signaling;
the E1 interface module is connected to the CPU module through a bus and is also connected to the circuit switching board through an E1 line, and the E1 interface module is used for providing vehicle-mounted call voice access and signaling access functions;
the network switching module is connected to the CPU module through a bus and is also connected to the circuit switching board through an Ethernet; the network switching module is used for providing a UDP voice signaling interaction function of the network switch;
the CPLD module is connected to the CPU module through a bus, connected to the E1 interface module through PCM, and connected to the circuit switching board through PCM; the CPLD module is used for providing PCM voice exchange function;
the voice interface module is connected to the CPLD module through PCM and is respectively connected with the vehicle-mounted call system analog telephone and the network switching system analog telephone through analog two lines;
the power supply conversion module is used for converting external power supply into various working voltages required by the internal circuit of the service board and supplying power to each module;
the circuit switching board is arranged on the bottom board and is respectively connected with the modules in the service board through Ethernet, an E1 line and PCM;
the vehicle-mounted communication system analog telephone and the network switching system analog telephone are respectively connected with the voice interface module in the service board through an analog two-wire.
2. The test tool of claim 1, wherein the software installed in the service board comprises: the system comprises a main control module, a vehicle-mounted call system voice signaling analysis module, a network switch voice signaling analysis module and a telephone voice signaling analysis module.
3. The test tool of claim 2, further comprising: and a timer management module.
4. The test tool of claim 2 or 3, further comprising: and an event management module.
5. The test tool according to claim 2, wherein the voice signaling analysis module of the vehicle-mounted communication system receives a signaling transmitted from an E1 interface, and analyzes and processes the signaling according to a protocol; meanwhile, according to the protocol, signaling is sent to the circuit switching board through an E1 interface; and receiving an off-hook/on-hook signaling event of a simulation two-line of the simulated telephone of the vehicle-mounted communication system to start/terminate a signaling flow of the vehicle-mounted communication system.
6. The test tool of claim 2, wherein the network switch voice signaling analysis module receives network signaling transmitted from an ethernet interface, and performs signaling analysis and processing according to a protocol; meanwhile, according to the protocol, sending a network switch signaling to the circuit switch board through the Ethernet interface; and receiving off/on-hook signaling events of the analog two-line of the network switching system analog telephone to start/terminate the signaling process of the network switch.
7. The test tool of claim 2, wherein the telephone voice signaling analysis module obtains an off-hook and on-hook event when the event occurs in the two-line simulation, places the event in a message queue, and sends the event to a telephone call processing flow for processing; in the call processing flow, the starting, terminating, busy and idle events are transmitted to the corresponding call processing flow of the vehicle-mounted communication system or the call processing flow of the network switch.
8. The test fixture of claim 3 wherein the timer management module manages timers, provides timed start and timed close interface functions, and places time-out events and phone user information corresponding thereto in a message queue; when each signaling processing module has timing operation, the timer carries out corresponding processing according to the specific operation.
9. The test tool according to claim 4, wherein the event management module provides an event management message queue, performs putting and extraction management on events according to a queue mode, and then extracts events from the message queue according to the sequence of the events in the call processing flow to process the events.
10. A test method for detecting functions of a circuit switching board card, which is characterized in that the test tool of claims 1-9 is used, and the test method comprises the following steps:
s1, the vehicle-mounted communication system simulates telephone off-hook;
s2, the vehicle-mounted call system of the service board simulates the telephone call processing flow to detect the off-hook signaling event, and the off-hook event is sent to the E1 voice signaling analysis processing flow of the vehicle-mounted call system; the voice signaling analysis processing flow sends E1 calling application signaling to E1 signaling processing flow in a circuit switching board through an E1 line; at this time, the E1 signaling processing flow of the circuit switching board receives the signaling;
s3, in the circuit switching board, after the E1 signaling processing flow task receives the E1 calling party application signaling, the calling party connection establishment application event is sent to the network signaling processing flow task through the message queue;
s4, in the circuit switching board, after the network signaling processing flow task receives the calling party connection establishment application event sent by the E1 signaling processing flow task, the network signaling processing flow task sends a network calling party connection establishment application to the service board through the Ethernet; at this time, the network voice signaling analysis processing flow of the service board receives the calling application signaling;
s5, in the service board, the task of analyzing and processing network voice signaling analyzes the called phone number through the received calling application signaling, and transmits the signaling to the network switching system to simulate the analysis and processing flow of the telephone voice signaling, if the called phone of the network switching system is idle, the called phone will ring;
s6, the analog telephone idle state of the network switching system will analyze and process the flow task through the network voice signaling of the service board, and send the idle event of the called telephone to the circuit switching board through the Ethernet; meanwhile, the network signaling processing flow task of the circuit switching board receives the idle event of the telephone;
s7, in the circuit switching board, after the network signaling processing flow task receives the idle event of the called phone, the network signaling processing flow task sends a routing success event to the E1 signaling processing flow task through the message queue;
s8, in the circuit switching board, the E1 signaling processing flow task receives the routing success event, and sends the E1 routing success event to the E1 voice signaling analysis processing flow task of the service board through the E1 line;
s9, in the service board, after the E1 voice signaling analysis processing flow task receives the E1 routing success event, the E1 circuit sends the E1 reverse occupation success event to the circuit switching board;
s10, after the analog telephone of the network switching system rings, the telephone is picked up; the network exchange system of the service board simulates the analysis and processing flow of telephone voice signaling, detects and receives the off-hook signaling event, and sends the event to the analysis and processing flow of the network voice signaling of the service board;
s11, in the service board, analyzing and processing the flow task by the network voice signaling, and sending the called response event to the flow task of processing the network signaling of the circuit switching board through the Ethernet; meanwhile, the network signaling processing flow task of the circuit switching board receives the called response event;
s12, in the circuit switching board, after the network signaling processing flow task receives the called response event, the called response event is sent to the E1 signaling processing flow task through the message queue;
s13, in the circuit switching board, the E1 signaling processing flow task sends the E1 called response event to the service board through the E1 line; meanwhile, the E1 voice signaling analysis processing flow task of the service board receives an E1 called response event;
s14, in the service board, after the E1 voice signaling analysis processing flow task receives the E1 called response event, the E1 voice signaling analysis processing flow task sends the called response event to the analog telephone voice signaling analysis processing flow of the vehicle-mounted communication system; at this time, the voice link establishes connection, and the analog telephone of the vehicle-mounted communication system and the analog telephone of the network switching system can communicate with each other; the call processing flow for establishing the call is completed.
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| CN201710198264.6A CN106973139B (en) | 2017-03-29 | 2017-03-29 | Test tool and test method for detecting functions of circuit switching board card |
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| CN201710198264.6A CN106973139B (en) | 2017-03-29 | 2017-03-29 | Test tool and test method for detecting functions of circuit switching board card |
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| CN106973139A CN106973139A (en) | 2017-07-21 |
| CN106973139B true CN106973139B (en) | 2020-06-26 |
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| CN1480835A (en) * | 2002-09-05 | 2004-03-10 | 深圳市中兴通迅股份有限公司上海第二 | Method of multifunctional testing digital interface and its device |
| KR20040082243A (en) * | 2003-03-18 | 2004-09-24 | 엘지전자 주식회사 | Apparatus for accessing test ports using a host bus |
| US7346784B1 (en) * | 2002-08-29 | 2008-03-18 | Xilinx, Inc. | Integrated circuit device programming with partial power |
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| US7346784B1 (en) * | 2002-08-29 | 2008-03-18 | Xilinx, Inc. | Integrated circuit device programming with partial power |
| CN1480835A (en) * | 2002-09-05 | 2004-03-10 | 深圳市中兴通迅股份有限公司上海第二 | Method of multifunctional testing digital interface and its device |
| KR20040082243A (en) * | 2003-03-18 | 2004-09-24 | 엘지전자 주식회사 | Apparatus for accessing test ports using a host bus |
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