CN106973139A - A kind of test fixture and method of testing for being used to detect circuit switching board function - Google Patents
A kind of test fixture and method of testing for being used to detect circuit switching board function Download PDFInfo
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- CN106973139A CN106973139A CN201710198264.6A CN201710198264A CN106973139A CN 106973139 A CN106973139 A CN 106973139A CN 201710198264 A CN201710198264 A CN 201710198264A CN 106973139 A CN106973139 A CN 106973139A
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- circuit switching
- signaling
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- event
- handling process
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/24—Arrangements for testing
Abstract
The invention discloses a kind of test fixture and method of testing for being used to detect circuit switching board function, frock includes：Bottom plate, business board, circuit switching plate, vehicle mounted call system simulation phone and internet exchange system analog phone, bottom plate realize service connection and external interface introducing between each board；Business board is located on bottom plate, including：CPU module, E1 interface modules, network exchange module, CPLD modules, cable voice port module and power transfer module, E1 interface modules are connected to CPU module by bus, pass through E1 connections to circuit switching plate；Network exchange module is connected to CPU module by bus, and circuit switching plate is connected to by Ethernet；CPLD modules are connected to CPU module by bus, and E1 interface modules are connected to by PCM, and circuit switching plate is connected to by PCM；Cable voice port module is connected to CPLD modules by PCM, and is connected respectively with vehicle mounted call system/network exchange system analog phone by simulating two wires；Power transfer module is each modules with power.
Description
Technical field
The present invention relates to the detection of communication equipment, more particularly to a kind of test work for being used to detect circuit switching board function
Dress.
Background technology
Circuit switching plate function is detected, vehicle mounted call system and network switch system need to be used.If simple should for detection
Board function and buy both system equipments, economically spend than larger.Moreover, carrying out properties of product to circuit switching plate
During experiment, thermocycling is such as carried out, using both system equipments, it is extremely inconvenient to build experimental enviroment in batches, is unfavorable for electricity
The batch production and debugging of road power board.
When detecting circuit switching plate function, it is necessary to which the actual vehicle mounted call system and internet exchange system used, unfavorable
Experiment and debugging enironment are built in batch.The batch production and debugging of circuit switching plate are, it is necessary to which a kind of be used for the comprehensive of test
Stronger frock.
The content of the invention
There is provided a kind of survey for being used to detect circuit switching board function for deficiency of the invention for the presence of above-mentioned prior art
Trial work is filled, as comprehensive frock, experiment and debugging enironment is built in batches, and then complete batch production and the tune of circuit switching plate
Examination.
The technical scheme that the present invention solves above-mentioned technical problem is as follows：A kind of survey for being used to detect circuit switching board function
Trial work is filled, including：Bottom plate, business board, circuit switching plate, vehicle mounted call system simulation phone and internet exchange system simulation electricity
Words, wherein,
The bottom plate be used to realizing the introducing of service connection and external interface between each board there is provided circuit switching plate and
Ethernet interface, E1 interfaces and pcm interface between business board, external interface have power interface and simulation two-wire interface unit；
The business board is located on the bottom plate, including：CPU module, E1 interface modules, network exchange module, CPLD moulds
Block, cable voice port module and power transfer module, wherein,
The CPU module is initialized for each module to business board, car communication makes interactive controlling and network believe
Make interactive controlling；
The E1 interface modules are connected to the CPU module by bus, are also handed over by E1 connections to the circuit
Plate is changed, the E1 interface modules are used to provide the access of car conversation voice and signaling access function；
The network exchange module is connected to the CPU module by bus, is also connected to the circuit by Ethernet
Power board；The network exchange module is used for the UDP speech Signalling exchange functions of providing the network switch；
The CPLD modules are connected to the CPU module by bus, and are connected to the E1 interface modules by PCM,
The circuit switching plate is also connected to by PCM；The CPLD modules are used to provide PCM voice switching functions；
The cable voice port module is connected to the CPLD modules by PCM, and by simulate two wires with it is described vehicle-mounted logical
Telephone system analog phone, the internet exchange system analog phone are connected respectively；
The power transfer module is used to being converted into externally fed into the various work electricity required for business board internal circuit
Pressure, is each modules with power；
The circuit switching plate passes through Ethernet, E1 circuits and PCM and the business board respectively on the bottom plate
In module be connected；
The vehicle mounted call system simulation phone and the internet exchange system analog phone respectively by simulate two wires with
Speech interface module in the business board is connected.
On the basis of above-mentioned technical proposal, the present invention can also do following improvement.
Further, the software installed in the business board contains：Main control module, vehicle mounted call system speech signalling analysis
Module, network switch speech signalling analysis module and Telephony voice signalling analysis module.
Further, in addition to：Management module of timer.
Further, in addition to：Event manager module.
Further, the vehicle mounted call system speech signalling analysis module receives the signaling that E1 interfaces are sent, root
Signalling analysis and processing are carried out according to agreement；Meanwhile, according to agreement, signaling is sent to circuit switching plate by E1 interfaces；Also receive
The simulation two wires of the vehicle mounted call system simulation phone pluck on-hook signaling event, come start terminate vehicle mounted call system
Signaling process.
Further, the network switch speech signalling analysis module receives the network letter that Ethernet interface is sent
Order, signalling analysis and processing are carried out according to agreement；Meanwhile, according to agreement, net is sent to circuit switching plate by Ethernet interface
Network interchanger signaling；Also receive the internet exchange system analog phone simulation two wires pluck on-hook signaling event, to open
It is dynamic terminate the signaling process of the network switch.
Further, when the Telephony voice signalling analysis module has off-hook, onhook event to occur in simulation two wires, obtain
The event, is put into message queue, and event is sent into call handling process and handled；In call flows,
Startup, termination, busy, other people's business part are sent to the call flows of corresponding vehicle mounted call system or the calling of the network switch
In handling process.
Further, the management module of timer management timer starts there is provided timing and interface function is closed in timing,
And time time out event and corresponding telephone subscriber's information are put into message queue；When each signaling processing module has timing
During operation, timer carries out respective handling according to concrete operations.
Further, the event manager module provides an incident management message queue, and event is entered by queue mode
Row is put into and extract management, then in call flows, is extracted, is located by the sequencing of event from message queue
Reason.
The present invention also provides a kind of method of testing for being used to detect circuit switching board function, uses above-mentioned test work
Dress, the method for testing comprises the following steps：
S1, vehicle mounted call system simulation phone off-hook；
S2, the vehicle mounted call system simulation call handling process of business board detect off-hook signaling event, off-hook
In the E1 speech signalling analysis handling processes of event feeding vehicle mounted call system；This speech signalling analysis handling process passes through E1 lines
Road, the E1 signalings handling process into circuit switching plate sends E1 caller application signalings；Now, at the E1 signalings of circuit switching plate
Reason flow can receive this signaling；
S3, in circuit switching plate, E1 signaling handling process tasks are received after E1 caller application signalings, pass through message queue
Caller, which is sent, to network signal handling process task builds connection application event；
S4, in circuit switching plate, network signal handling process task receive E1 signaling handling processes task transmission master
Cry and build after connection application event, by Ethernet, send network caller to business board and build connection application；Now, the network words of business board
Message order analyzing and processing flow can receive caller application signaling；
S5, in business board, network voice signalling analysis handling process task passes through the caller application signaling that receives, analysis
Go out called phone number, and the signaling is passed to internet exchange system analog phone speech signalling analysis handling process, if this
When internet exchange system called phone it is idle, the called phone can ring；
S6, internet exchange system analog phone idle condition can be by the network voice signalling analysis processing stream of business board
Journey task, by Ethernet, sends the idle event of called phone to circuit switching plate；Meanwhile, the network signal of circuit switching plate
Handling process task can receive the idle event of the phone；
S7, in circuit switching plate, network signal handling process task is received after the idle event of called phone, by disappearing
Queue is ceased, Route Selection success events are sent to E1 signaling handling processes task；
S8, in circuit switching plate, E1 signaling handling process tasks receive Route Selection success events, by E1 circuits,
E1 Route Selection success events are sent to the E1 speech signalling analysis handling processes task of business board；
S9, in business board, E1 speech signalling analysis handling process tasks are received after E1 Route Selection success events, are passed through
E1 circuits, send E1 to circuit switching plate and reversely occupy success events；
After S10, the analog phone ring of internet exchange system, by off-hook；The internet exchange system analog phone of business board
Speech signalling analysis handling process detects and receives off-hook signaling event, and this event is sent to the network voice of business board
In signalling analysis handling process；
S11, in business board, network voice signalling analysis handling process task, by Ethernet, to circuit switching plate
Network signal handling process task sends called party answer event；Meanwhile, the network signal handling process task meeting of circuit switching plate
Receive this called party answer event；
S12, in circuit switching plate, network signal handling process task is received after called party answer event, passes through message team
Row, called party answer event is sent to E1 signaling handling processes task；
S13, in circuit switching plate, E1 signaling handling process tasks are by E1 circuits, and sending that E1 is called to business board should
Answer event；Meanwhile, the E1 speech signalling analysis handling process tasks of business board can receive E1 called party answer events；
S14, in business board, E1 speech signalling analysis handling process tasks are received after E1 called party answer events, can give car
The analog phone speech signalling analysis handling process for carrying phone system is sent to called party answer event；Now, voice link, which is set up, connects
Connect, the analog phone of vehicle mounted call system and the analog phone of internet exchange system can be conversed mutually；Set up the calling of calling
Handling process is finished.
The test fixture for being used to detect circuit switching board function of the present invention uses modularized design, completes circuit switching
The functional test of plate；With one piece of circuit-board card, by design on hardware and software, two kinds of speech signaling system is incorporated into
Together, by the hot line mode of external two phones, can debug and examine circuit switching plate to both speech signaling systems
The telephone exchange function of system.
Brief description of the drawings
Fig. 1 is the structural representation of the test fixture of the present invention；
Fig. 2 is the structural representation of the business board of the present invention；
Fig. 3 is the flow chart of the method for testing of the present invention；
In the accompanying drawings, the list of designations represented by each label is as follows：
100 bottom plates
200 business boards
201 CPU modules
202 E1 interface modules
203 network exchange modules
204 CPLD modules
205 cable voice port modules
300 circuit switching plates
400 vehicle mounted call system simulation phones
500 internet exchange system analog phones
Embodiment
The principle and feature of the present invention are described below in conjunction with accompanying drawing, the given examples are served only to explain the present invention, and
It is non-to be used to limit the scope of the present invention.
Please also refer to shown in Fig. 1, it is the structure for being used to detect the test fixture of circuit switching board function of the invention
Schematic diagram.The test fixture includes：Bottom plate 100, business board 200, circuit switching plate 300, vehicle mounted call system simulation phone
400 and internet exchange system analog phone 500, wherein,
The bottom plate 100 is used to realizing the introducing of service connection and external interface between each board, and there is provided circuit switching
Ethernet interface, E1 interfaces and pcm interface between plate and business board, external interface have power interface and simulation two-wire interface unit；
The structure of the business board 200 refer to Fig. 2, as illustrated, the business board 200 is on the bottom plate 100,
It is the core component of the test fixture of the present invention, including：CPU module 201, E1 interface modules 202, network exchange module 203,
CPLD modules 204, cable voice port module 205 and power transfer module (not shown), wherein,
The CPU module 201 is initialized for each module to business board, car communication order is handed over
Mutually control and network signal interactive controlling, for example, can be used the STM32F103ZET6 of ST companies
Chip；
The E1 interface modules 202 are connected to the CPU module 201 by bus, also by E1 connections to described
Circuit switching plate 300；The E1 interface modules 202 are used to provide the access of car conversation voice and signaling access function, for example, can be used
The DS2155 chips of Maxim companies；
The network exchange module 203 is connected to the CPU module 201 by bus, is also connected to institute by Ethernet
State circuit switching plate 300；The network exchange module 203 is used for the UDP speech Signalling exchange functions of providing the network switch, example
The W5300 chips of WIZ net companies such as can be used；
The CPLD modules 204 are connected to the CPU module 201 by bus, and pass through PCM (Pulse Code
Modulation, pulse code modulation) the E1 interface modules 202 are connected to, the circuit switching plate is also connected to by PCM
300；The CPLD modules 204 are used to provide PCM voice switching functions, for example, ALTERA companies can be used
EPM570T144I5N chips；
The cable voice port module 205 is connected to the CPLD modules 204 by PCM, and by simulate two wires with it is described
Vehicle mounted call system simulation phone 400, the internet exchange system analog phone 500 are connected respectively；
The power transfer module is used to being converted into externally fed into the various work electricity required for business board internal circuit
Pressure, is each modules with power, it is ensured that the steady operation of business board.
The software installed in the business board then includes following 6 modules：
1st, main control module
It is substantially carried out the initial work of hardware chip in piece, each task module is called.
2nd, vehicle mounted call system speech signalling analysis module
1. the signaling that E1 interfaces are sent is received, signalling analysis and processing are carried out according to agreement.Meanwhile, according to agreement,
Signaling is sent to circuit switching plate by E1 interfaces.
2. receive vehicle mounted call system simulation phone simulation two wires pluck on-hook signaling event, come start termination it is vehicle-mounted
The signaling process of phone system.
3rd, network switch speech signalling analysis module
1. the network signal that 10M/100M Ethernet interfaces are sent is received, signalling analysis and place are carried out according to agreement
Reason.Meanwhile, according to agreement, network switch signaling is sent to circuit switching plate by Ethernet interface.
2. receive internet exchange system analog phone simulation two wires pluck on-hook signaling event, come start termination network
The signaling process of interchanger.
4th, Telephony voice signalling analysis module
1. when there is the generation of the events such as off-hook, on-hook simulation two wires, the event is obtained, is put into message queue, by event
Handled in feeding call handling process.
2. in call flows, corresponding vehicle mounted call system simulation phone/network exchange system analog phone
Start, terminate, the event transmission such as busy, spare time to the call flows of corresponding vehicle mounted call system or the calling of the network switch
In handling process.
5th, management module of timer
Management timer starts there is provided timing and interface function is closed in timing, and corresponds to time time out event and therewith
Telephone subscriber's information be put into message queue.When each signaling processing module has fixed cycle operator, timer is according to concrete operations
Carry out respective handling.
6th, event manager module
One incident management message queue is provided, event is put into by queue mode and extract management；Such as, pluck,
Onhook event is put into message queue after producing, then in call flows, and the sequencing of event is pressed from message queue
Extract, handled.
The circuit switching plate 300 on the bottom plate 100, respectively by Ethernet, E1 circuits and PCM with it is described
Module in business board 200 is connected；
The vehicle mounted call system simulation phone 400 is by simulating two wires and the cable voice port mould in the business board 200
Block 205 is connected；
The internet exchange system analog phone 500 is by simulating two wires and the cable voice port mould in the business board 200
Block 205 is connected.
It refer to shown in Fig. 3, it is the flow chart of the method for testing of the present invention, is comprised the following steps：
S1, vehicle mounted call system simulation phone (phone 1 is shown as in figure) off-hook.
S2, the vehicle mounted call system simulation call handling process of business board detect off-hook signaling event, and this is plucked
In the E1 speech signalling analysis handling processes of machine event feeding vehicle mounted call system.This speech signalling analysis handling process passes through E1
Circuit, the E1 signalings handling process into circuit switching plate sends E1 caller application signalings.Now, the E1 signalings of circuit switching plate
Handling process can receive this signaling.
S3, in circuit switching plate, E1 signaling handling process tasks are received after E1 caller application signalings, pass through message queue
Caller, which is sent, to network signal handling process task builds connection application event.
S4, in circuit switching plate, network signal handling process task receive E1 signaling handling processes task transmission master
Cry and build after connection application event, by Ethernet, send network caller to business board and build connection application.Now, the network words of business board
Message order analyzing and processing flow can receive this caller application signaling.
S5, in business board, network voice signalling analysis handling process task passes through the caller application signaling that receives, analysis
Go out called phone number, and the signaling is passed to internet exchange system analog phone (phone 2 is shown as in figure) speech signaling point
Handling process is analysed, if now the called phone of internet exchange system is idle, the called phone (phone 2) can ring.
S6, internet exchange system analog phone idle condition can be by the network voice signalling analysis processing stream of business board
Journey task, by Ethernet, sends the idle event of called phone to circuit switching plate.Meanwhile, the network signal of circuit switching plate
Handling process task can receive the idle event of the phone.
S7, in circuit switching plate, network signal handling process task is received after the idle event of called phone, by disappearing
Queue is ceased, Route Selection success events are sent to E1 signaling handling processes task.
S8, in circuit switching plate, E1 signaling handling process tasks receive Route Selection success events, by E1 circuits,
E1 Route Selection success events are sent to the E1 speech signalling analysis handling processes task of business board.
S9, in business board, E1 speech signalling analysis handling process tasks are received after E1 Route Selection success events, are passed through
E1 circuits, send E1 to circuit switching plate and reversely occupy success events.
S10, now, after the analog phone ring of internet exchange system, by off-hook.The internet exchange system simulation of business board
Telephony voice signalling analysis handling process detects and receives off-hook signaling event, and this event is sent to the network of business board
In speech signalling analysis handling process.
S11, in business board, network voice signalling analysis handling process task, by Ethernet, to circuit switching plate
Network signal handling process task sends called party answer event.Meanwhile, the network signal handling process task meeting of circuit switching plate
Receive this called party answer event.
S12, in circuit switching plate, network signal handling process task is received after called party answer event, passes through message team
Row, called party answer event is sent to E1 signaling handling processes task.
S13, in circuit switching plate, E1 signaling handling process tasks are by E1 circuits, and sending that E1 is called to business board should
Answer event.Meanwhile, the E1 speech signalling analysis handling process tasks of business board can receive E1 called party answer events.
S14, in business board, E1 speech signalling analysis handling process tasks are received after E1 called party answer events, can give car
The analog phone speech signalling analysis handling process for carrying phone system is sent to called party answer event.Now, voice link, which is set up, connects
Connect, the analog phone of vehicle mounted call system and the analog phone of internet exchange system can be conversed mutually.Set up the calling of calling
Handling process is finished.
By such a mode, the E1 signalings processing function and network signal processing function of circuit switching plate have detected.Signaling
After connection, speech is normal, while have detected the function of voice pcm interface again.
And the CPU programs in business board then first to each main chip in business board (such as STM32F103ZET6 processors,
DS2155 chips, W5300 chips) carry out hardware initialization and reset operation, then by network interface, read vehicle mounted call system
The configuration information of the telephone number of analog phone and the analog phone of internet exchange system；Each signaling processing task is initialized,
There is analog phone speech signalling analysis to handle task, E1 speeches signalling analysis processing task, the network exchange of vehicle mounted call system
Message makes analyzing and processing task if system；Interruption is carried out to timer and forbids and open operation；In while circulations, constantly
Ground performs each signaling tasks, realizes function.
Thus, the present invention uses modularized design, completes the functional test of circuit switching plate, the business board simulation test
Sound signaling system if sound signaling moiety and internet exchange system if the relevant vehicle mounted call system of the circuit switching plate；Institute
State the introducing that bottom plate realizes service connection and external interface between each board；The circuit switching plate and the business board pass through
Ethernet and E1 interfaces, carry out (UDP) user datagram protocol speech Signalling exchange and E1 relay voice Signalling exchanges, realize
Voice conversation between the vehicle mounted call system simulation phone and the internet exchange system analog phone.
The present invention mainly has following characteristics：
1st, sound signaling system if simulation Vehicular communication system E1 interfaces
The good effect of the innovative point is：
Sound signaling system if the Vehicular communication system E1 interfaces of simulation, is set up using the hdlc controller of DS2155 chips
Hardware link, and signaling data is taken out and sends from the time slot of hdlc controller, communication protocol is met in processor software
Demand, meet the speech communication function of circuit switching plate and Vehicular communication system debugging and examine needs.
2nd, sound signaling system if analog network interchanger UDP interfaces
The good effect of the innovative point is：
Sound signaling system if the network switch UDP interfaces of simulation, is received and is sent by the IP ports of Ethernet and believed
Order, meets the demand of data message speech signaling protocol in processor software, meets circuit switching plate and the network switch
The debugging and inspection of Speech Communication function need.
3rd, above speech signaling system is incorporated on one piece of board
The good effect of the innovative point is：
With one piece of circuit-board card, by design on hardware and software, system combination is made to exist message if both the above type
Together, by the hot line mode of external two phones, can debug and examine circuit switching plate to both speech signaling systems
The telephone exchange function of system.
The foregoing is only presently preferred embodiments of the present invention, be not intended to limit the invention, it is all the present invention spirit and
Within principle, any modification, equivalent substitution and improvements made etc. should be included in the scope of the protection.
Claims (10)
1. a kind of test fixture for being used to detect circuit switching board function, it is characterised in that including：Bottom plate, business board, circuit
Power board, vehicle mounted call system simulation phone and internet exchange system analog phone, wherein,
The bottom plate is used to realizing the introducing of service connection and external interface between each board, and there is provided circuit switching plate and business
Ethernet interface, E1 interfaces and pcm interface between plate, external interface have power interface and simulation two-wire interface unit；
The business board is located on the bottom plate, including：CPU module, E1 interface modules, network exchange module, CPLD modules, words
Sound interface module and power transfer module, wherein,
The CPU module is initialized for each module to business board, car communication makes interactive controlling and network signal hand over
Mutually control；
The E1 interface modules are connected to the CPU module by bus, also by E1 connections to the circuit switching plate,
The E1 interface modules are used to provide the access of car conversation voice and signaling access function；
The network exchange module is connected to the CPU module by bus, is also connected to the circuit switching by Ethernet
Plate；The network exchange module is used for the UDP speech Signalling exchange functions of providing the network switch；
The CPLD modules are connected to the CPU module by bus, and are connected to the E1 interface modules by PCM, also lead to
Cross PCM and be connected to the circuit switching plate；The CPLD modules are used to provide PCM voice switching functions；
The cable voice port module is connected to the CPLD modules by PCM, and by simulating two wires and the vehicle mounted call system
System analog phone, the internet exchange system analog phone are connected respectively；
The power transfer module is used to being converted into externally fed into the various operating voltages required for business board internal circuit, is
Each modules with power；
The circuit switching plate is on the bottom plate, respectively by Ethernet, E1 circuits and PCM and the business board
Module is connected；
The vehicle mounted call system simulation phone and the internet exchange system analog phone respectively by simulate two wires with it is described
Speech interface module in business board is connected.
2. test fixture according to claim 1, it is characterised in that the software installed in the business board contains：Master control
Module, vehicle mounted call system speech signalling analysis module, network switch speech signalling analysis module and Telephony voice signaling
Analysis module.
3. test fixture according to claim 2, it is characterised in that also include：Management module of timer.
4. the test fixture according to Claims 2 or 3, it is characterised in that also include：Event manager module.
5. test fixture according to claim 2, it is characterised in that the vehicle mounted call system speech signalling analysis module
The signaling that E1 interfaces are sent is received, signalling analysis and processing are carried out according to agreement；Meanwhile, according to agreement, pass through E1 interfaces
Signaling is sent to circuit switching plate；Also receive the vehicle mounted call system simulation phone simulation two wires pluck on-hook signaling thing
Part, come start terminate vehicle mounted call system signaling process.
6. test fixture according to claim 2, it is characterised in that the network switch speech signalling analysis module connects
The network signal that Ethernet interface is sent is received, signalling analysis and processing are carried out according to agreement；Meanwhile, according to agreement, pass through
Ethernet interface sends network switch signaling to circuit switching plate；Also receive the simulation of the internet exchange system analog phone
Two wires pluck on-hook signaling event, come start terminate the network switch signaling process.
7. test fixture according to claim 2, it is characterised in that the Telephony voice signalling analysis module is in simulation two
When line has off-hook, onhook event generation, the event is obtained, is put into message queue, event is sent into call handling process
It is middle to be handled；In call flows, startup, termination, busy, other people's business part are sent to exhaling for corresponding vehicle mounted call system
In the call flows for being handling process or the network switch.
8. test fixture according to claim 3, it is characterised in that the management module of timer manages timer, carries
Start for timing and interface function is closed in timing, and time time out event and corresponding telephone subscriber's information are put into message
In queue；When each signaling processing module has fixed cycle operator, timer carries out respective handling according to concrete operations.
9. test fixture according to claim 4, it is characterised in that the event manager module provides an incident management
Message queue, is put into and extract management to event by queue mode, then in call flows, from message queue
Extract, handled by the sequencing of event.
10. a kind of method of testing for being used to detect circuit switching board function, it is characterised in that using such as claim 1~9 institute
The test fixture stated, the method for testing comprises the following steps：
S1, vehicle mounted call system simulation phone off-hook；
S2, the vehicle mounted call system simulation call handling process of business board detect off-hook signaling event, off-hook event
In the E1 speech signalling analysis handling processes for sending into vehicle mounted call system；This speech signalling analysis handling process by E1 circuits,
E1 signalings handling process into circuit switching plate sends E1 caller application signalings；Now, the E1 signalings processing of circuit switching plate
Flow can receive this signaling；
S3, in circuit switching plate, E1 signaling handling process tasks are received after E1 caller application signalings, by message queue to net
Network signaling handling process task sends caller and builds connection application event；
S4, in circuit switching plate, network signal handling process task receive E1 signaling handling processes task transmission caller build
Join after application event, by Ethernet, send network caller to business board and build connection application；Now, the network voice letter of business board
Order analyzing and processing flow can receive caller application signaling；
S5, in business board, network voice signalling analysis handling process task by the caller application signaling that receives, analyze by
Telephone number is, and the signaling is passed to internet exchange system analog phone speech signalling analysis handling process, if now net
The called phone of network exchange system is idle, and the called phone can ring；
S6, the analog phone idle condition of internet exchange system can be appointed by the network voice signalling analysis handling process of business board
Business, by Ethernet, sends the idle event of called phone to circuit switching plate；Meanwhile, the network signal processing of circuit switching plate
Flow tasks can receive the idle event of the phone；
S7, in circuit switching plate, network signal handling process task is received after the idle event of called phone, passes through message team
Row, Route Selection success events are sent to E1 signaling handling processes task；
S8, in circuit switching plate, E1 signaling handling process tasks receive Route Selection success events, pass through E1 circuits, Xiang Ye
The E1 speech signalling analysis handling processes task of business plate sends E1 Route Selection success events；
S9, in business board, E1 speech signalling analysis handling process tasks are received after E1 Route Selection success events, pass through E1 lines
Road, sends E1 to circuit switching plate and reversely occupies success events；
After S10, the analog phone ring of internet exchange system, by off-hook；The internet exchange system analog phone speech of business board
Signalling analysis handling process detects and receives off-hook signaling event, and this event is sent to the network voice signaling of business board
Analyze and process in flow；
S11, in business board, network voice signalling analysis handling process task, by Ethernet, to the network of circuit switching plate
Signaling handling process task sends called party answer event；Meanwhile, the network signal handling process task of circuit switching plate can be received
This called party answer event；
S12, in circuit switching plate, network signal handling process task is received after called party answer event, by message queue, to
E1 signaling handling processes task sends called party answer event；
S13, in circuit switching plate, E1 signaling handling process tasks send E1 called party answer things by E1 circuits to business board
Part；Meanwhile, the E1 speech signalling analysis handling process tasks of business board can receive E1 called party answer events；
S14, in business board, E1 speech signalling analysis handling process tasks are received after E1 called party answer events, can be to vehicle-mounted logical
The analog phone speech signalling analysis handling process of telephone system is sent to called party answer event；Now, voice link sets up connection, car
Carrying the analog phone of phone system and the analog phone of internet exchange system can converse mutually；Set up the call treatment stream of calling
Journey is finished.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710198264.6A CN106973139B (en) | 2017-03-29 | 2017-03-29 | Test tool and test method for detecting functions of circuit switching board card |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| 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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| CN111245686A (en) * | 2020-03-10 | 2020-06-05 | 中国人民解放军32181部队 | Command vehicle system node single body detection and diagnosis equipment |
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| CN106973139B (en) | 2020-06-26 |
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