CN101645982B - Method and service veneer for voice terminal simulation test - Google Patents

Method and service veneer for voice terminal simulation test Download PDF

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Publication number
CN101645982B
CN101645982B CN200810146067.0A CN200810146067A CN101645982B CN 101645982 B CN101645982 B CN 101645982B CN 200810146067 A CN200810146067 A CN 200810146067A CN 101645982 B CN101645982 B CN 101645982B
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business
interface
test
test bus
unit interface
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CN101645982A (en
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高兴国
刘建平
邓全胜
钟亮
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Huawei Technologies Co Ltd
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Abstract

The embodiment of the invention discloses a method and a service veneer for a voice terminal simulation test. The service veneer comprises a first test bus, a second test bus, a service test circuit, a first grasping line matrix, a second grasping line matrix, and a service interface unit. The method and the service veneer realize simulation test of a call between any two interfaces by connecting a service unit interface to be tested to a service test circuit for test through the first grasping line matrix and the second grasping line matrix, thereby simplifying the system design and reducing the system cost.

Description

The method of voice terminal simulation test and service board
Technical field
The present invention relates to communication technical field, particularly relate to a kind of method and service board of voice terminal simulation test.
Background technology
Along with the development of optical fiber technology, traditional fixed network construction presents the trend replacing traditional copper electric wire with optical fiber.Under this trend, traditional audio access technical network application characteristic constantly changes, and is applied develop into distributed short loop gradually by the long loop of former centralized high density.FTTX (Fiber To The X is there is under new applied environment, optical fiber is to other) add POTS (Plain Old TelephoneService, Plain Old Telephone Service) form, under this applied environment, traditional speech sound access equipment is more and more near user residential quarters, its principal character is that user residential quarters moved to by optical fiber, and then with 3 classes, 4 classes or 5 class lines are connected to user's family.
In traditional audio access technology, provide independently testing single-board by centralized speech sound access equipment, the hundreds of realized multiple service board provides by centralized control carries out Loop test and Internal Line Test to thousands of users.Independently equipment room can provide calling copying by Internal Line Test function simultaneously.
The schematic diagram of current centralized test macro as shown in Figure 1, mainly comprises power source single-board, master control veneer, service board and testing single-board.Wherein, testing single-board can complete Loop test, Internal Line Test and pseudo-terminal copying.Service board primary responsibility grabs line, is switched on testing single-board by line capture module by service port outside line or interior lines.Master control veneer is responsible for the control to testing single-board and service board, realize testing single-board to service board connect the test of subscriber's line.
Inventor is realizing in process of the present invention, finds that prior art at least exists following problem:
Due in traditional equipment, each independently device interior only designs a set of test bus, cannot realize the Call Emulation Test of any 2 ports of device interior.Therefore when needs carry out Call Emulation Test, the participation of two autonomous devices must be had, and need to control these two autonomous devices respectively, more complicated in realization.
Summary of the invention
Embodiments of the invention provide a kind of method and service board of voice terminal simulation test, realize voice terminal simulation test for simple and flexible.
Embodiments of the invention provide a kind of service board for voice terminal simulation test, comprise: the first test bus, the second test bus, operational trials circuit, the first line capture module, the second line capture module, service convergence and processing unit and business interface unit, wherein:
Described business interface unit comprises multiple business unit interface;
Described first test bus is connected with described first line capture module and described operational trials circuit, and described second test bus is connected with described second line capture module and described operational trials circuit;
Described first line capture module, for the first business unit interface in described business interface unit is connected to described first test bus by described first line capture module, disconnects the external connection of described first business unit interface simultaneously;
Described second line capture module, for the second business unit interface in described business unit interface is connected to described second test bus by described second line capture module, disconnects the external connection of described second business unit interface simultaneously;
Described operational trials circuit, for testing the path between the first business unit interface be connected with described first test bus and the second business unit interface be connected with described second test bus;
Whether service convergence and processing unit, be connected with described business interface unit, for sending voice signal by described first business unit interface, and detect from described second business unit interface to the voice signal returned; Or send voice signal by described second business unit interface, and whether detect from described first business unit interface to the voice signal returned.
Embodiments of the invention also provide a kind of voice terminal simulation test method, be applied in the equipment comprising the first test bus, the second test bus, operational trials circuit, the first line capture module, the second line capture module and business interface unit, described business interface unit comprises multiple business unit interface; The present invention includes:
By described first line capture module, the first business unit interface in described business interface unit is connected to described first test bus, the external connection of described first business unit interface is disconnected simultaneously;
By described second line capture module, the second business unit interface in described business unit interface is connected to described second test bus, the external connection of described second business unit interface is disconnected simultaneously;
Tested by the path between described operational trials circuit pair the first business unit interface be connected with described first test bus and the second business unit interface of being connected with described second test bus, comprising:
Send voice signal by described first business unit interface, and whether detect from described second business unit interface to the voice signal returned; Or send voice signal by described second business unit interface, and whether detect from described first business unit interface to the voice signal returned.
Compared with prior art, embodiments of the invention have the following advantages:
In the method that the embodiment of the present invention provides and service board, being tested needing the business unit interface of test to be connected to operational trials circuit by the first line capture module and the second line capture module, achieving the Call Emulation Test between any two interfaces.Thus simplify system, reduce system cost.
Accompanying drawing explanation
Fig. 1 is integrated test system business allocation plan in prior art;
Fig. 2 is the structural representation for the service board of voice terminal simulation test in the embodiment of the present invention;
Fig. 3 is the structural representation of line capture module in the embodiment of the present invention;
Fig. 4 is the structural representation of operational trials circuit in the embodiment of the present invention;
Fig. 5 is the flow chart of voice go-and-return test method in the embodiment of the present invention;
Fig. 6 is the schematic diagram of voice go-and-return test passage in the embodiment of the present invention;
Fig. 7 is the schematic diagram of speech business Media Stream channel simulation test in the embodiment of the present invention.
Embodiment
Embodiments of the invention provide a kind of service board for voice terminal simulation test, by building simple terminal emulation circuit, under the cooperation of line capture module, operational trials circuit and other auxiliary circuits, realize the calling copying between any two groups of ports, and simple port test function is provided simultaneously.
This service board being used for voice terminal simulation test comprises: the first test bus, the second test bus, operational trials circuit, the first line capture module, the second line capture module and business interface unit, wherein:
Described business interface unit comprises multiple business unit interface;
Described first test bus is connected with described first line capture module and described operational trials circuit, and described second test bus is connected with described second line capture module and described operational trials circuit;
Described first line capture module, for the first business unit interface in described business interface unit is connected to described first test bus by line capture module, disconnects the external connection of described first business unit interface simultaneously;
Described second line capture module, for the second business unit interface in described business unit interface is connected to described second test bus by line capture module, disconnects the external connection of described second business unit interface simultaneously;
Described operational trials circuit, for testing the path between the first business unit interface be connected with described first test bus and the second business unit interface be connected with described second test bus.
Concrete, in one embodiment of the invention, for the service board of voice terminal simulation test structure as shown in Figure 2, comprise: the first test bus 101, second test bus 102, operational trials circuit 103, first line capture module 104, second line capture module 105 and business interface unit 106.In addition, service convergence and processing unit 107 and Service Control Unit 108 can also be comprised.
Concrete, test bus (first test bus 101 and the second test bus 102) and operational trials circuit 103 are overlapped by structure first line capture module 104 and the second line capture module 105, structure 2 in the service board of the voice go-and-return test of the embodiment of the present invention, and utilize the Service Control Unit 108 of current operation veneer self and the function of service convergence and processing unit 107, terminal emulation functionality and basic port performance test is realized in veneer inside.
Operational trials circuit 103, for testing the path between the business unit interface be connected with the first test bus 101 and the business unit interface be connected with the second test bus 102.
First line capture module 104, for one of them business unit interface of business unit interface 1 ~ n in business interface unit 106 is connected to the first test bus 101 by line capture module, this business unit interface and service board external interface are disconnected simultaneously, this business unit interface is disconnected with extraneous connection.
Second line capture module 105, for one of them business unit interface of business unit interface n+1 ~ m is connected to the second test bus 102 by line capture module, this business unit interface and service board external interface are disconnected simultaneously, this business unit interface is disconnected with extraneous connection.
For the structure of above-mentioned first line capture module 104 and the second line capture module 105, for the first line capture module 104, the structure of line capture module as shown in Figure 3.By K switch 1 to Kn, can disconnect with needing the business interface unit of the veneer tested with outside connection, and be connected on the first test bus 101.
Wherein, business interface unit 106, service convergence and processing unit 107 and Service Control Unit 108 are basic frameworks of existing business veneer, the basic function of narrow industry speech business veneer can be realized and complete the conversion of traditional TDM (Time Division Multiple, time division multiplexing) voice signal to IP.
Concrete, the structure of operational trials circuit 103 as shown in Figure 4, comprising:
Functional test module 201, for realizing the coupling function of voice signal transmitted in both directions between business unit interface off-hook and two business unit interfaces, comprises T1, C1, C2, R1 and R2 further.Wherein:
T1 is audio frequency transformer, for the voice signal be coupled between 2 business unit;
C1 and C2 is capacitance;
R1 and R2 is the off-hook resistance of analog service unit interface;
KT1 and KT2 is bidirectional switch, object be test bus is linked into functional test module 201 or and functional test module 201 disconnect.
Line voltage distribution test module 202, for the voltage of sampling on the first test bus 101 and the second test bus 102.
In the above-mentioned veneer for voice go-and-return test that the embodiment of the present invention provides, being tested needing the business unit interface of test to be connected to operational trials circuit by the first line capture module and the second line capture module, achieving the Call Emulation Test between any two interfaces.Thus simplify system, reduce system cost.In addition, the circuit of the embodiment of the present invention can provide the test of basic service port basic function simultaneously, provides supplementary means for localizing faults produces.
Embodiments of the invention provide a kind of method of voice terminal simulation test, be applied in the equipment comprising the first test bus, the second test bus, operational trials circuit, the first line capture module, the second line capture module and business interface unit, described business interface unit comprises multiple business unit interface.As shown in Figure 5, the method comprises:
Step s501, by described first line capture module, the first business unit interface in described business interface unit is connected to described first test bus, the external connection of described first business unit interface is disconnected simultaneously;
Step s502, by described second line capture module, the second business unit interface in described business unit interface is connected to described second test bus, the external connection of described second business unit interface is disconnected simultaneously;
Step s503, to be tested by the path between described operational trials circuit pair the first business unit interface be connected with described first test bus and the second business unit interface of being connected with described second test bus.
Concrete, embodiments of the invention can under the control of Service Control Unit 108, realize any one interface in the business unit interface 1 ~ n of veneer inside and any one interface in business unit interface n+1 ~ m sets up talking state, send audio signal by service convergence and processing unit 107 to the interface setting up call and receive from another interface simultaneously, thus judging that whether the voice pathway of veneer inside is normal.The loop tone testing of this veneer inside comprises the following steps:
(1), by Service Control Unit 108 select the interface (such as business unit interface 1) that the first test bus 101 will be tested, select another interface of the second test bus 102 as test port (such as business unit interface m) simultaneously.
(2), control the first line capture module 104, the business unit interface 1 that will test is switched on the first test bus 101; Control the second line capture module 105, the business unit interface m that will test is switched on the second test bus 102.
(3) KT1 and KT2, in service control test circuit 103, be switched in functional test module 201 by the first test bus 101 and the second test bus 102, two at this moment tested interfaces are all in off hook state.
(4), by the service call flow process of service board inside, 2 interfaces are created as INCOM intercom state on service convergence and processing unit 107.
(5), after service channel is successfully established, for the voice go-and-return test access diagram shown in Fig. 6, from service convergence and processing unit 107 voice signals, through business unit interface m and the second line capture module 105, be coupled on the first test bus 101 by operational trials circuit 103, and arrive service convergence and processing unit 107 by the first line capture module 106 and business unit interface 1, the voice detection function of service convergence and processing unit 107 is adopted to detect whether there is voice signal, thus whether sentence this speech business unit interface m normal to the voice pathway of business unit interface 1.Oppositely signal can be sent equally from service convergence and processing unit 107, through business unit interface 1 and the first line capture module 104, be coupled on the second test bus 102 by operational trials circuit 103, and arrive service convergence and processing unit 107 by the second line capture module 105 and business unit interface m, adopt the voice detection function of service convergence and processing unit 107 to detect whether there is voice signal, thus verify that whether this speech business unit interface 1 is normal to the voice pathway of business unit interface m.
Simultaneously by the service board of the terminal simulation test of this programme, all passages comprising whole speech business net can also be analyzed whether normal.Its main voice go-and-return test access diagram as shown in Figure 7.The service channel emulation testing of Fig. 7 expands on the basis of the test shown in Fig. 6, when after the system residing for veneer and the docking of whole business network, after on the basis according to the test shown in Fig. 6, optional 2 ports set up call, signal can be sent from a port according to the same manner, the related channel program of this signal through veneer inside is coupled to another passage, and be sent to speech business net through service convergence and processing unit, and the signal that speech business net sends the most at last turns back to test port and detects, thus judge that whether service channel is normal.The transmission of voice signal is received and dispatched similar to reception to the voice signal related in the voice signal detection method shown in above-mentioned Fig. 6, does not carry out repeated description at this.
By using the service board of above-mentioned voice go-and-return test, embodiments of the invention also supporting business plate veneer unit interface basic index test.
Concrete, embodiments of the invention can realize the test of the following index of unit interface: idle feed voltage, off-hook loop current, port antipole function, ringing-current amplitude, handoff functionality, on-hook function, cut bell function, pulse telephone number receiving function etc.Owing to being the same at business interface unit 1 ~ n and business interface unit n+1 ~ m on concrete test realizes, therefore the realization of interface unit 1 ~ n corresponding part is only described in the following description.The implementation method of main test is as follows:
(1) idle feed voltage: tested business unit interface is switched on the first test bus 101 by the first line capture module 104, KT1 switch 5 in first line capture module 104,6 are switched to 1, above 4, line voltage distribution test module 202 is then utilized to test voltage between the first test bus 101.
(2) off-hook loop current: tested business unit interface is switched on the first test bus 101 by the first line capture module 104, KT1 switch 5 in first line capture module 104,6 are switched to 2, analog service port off-hook above 3, then utilize line voltage distribution test module 202 to test voltage between test bus, test voltage can be obtained loop current divided by the R1 in 201.
(3) port antipole function: first completed business interface unit antipole by Systematical control under off-hook, is then utilized the mode of above-mentioned (2) to test voltage between lines, judges that whether antipole is normal by the polarity of interline voltage.
(4) ringing-current amplitude: tested business unit interface is switched on the first test bus 101 by the first line capture module 104, KT1 switch 5 in first line capture module 104,6 are switched to 1, above 4, then send ringing signal by Service Control Unit 108, utilize line voltage distribution test module 202 to test voltage between test bus.
(5) handoff functionality: by controlling the KT1 in the first line capture module 104, tested business unit interface being linked into functional test module 201, then judging that can business interface unit produce off-hook event.
(6) on-hook function: under off hook state, by controlling the KT1 break function test module 201 in the first line capture module 104, judges whether tested business interface unit produces onhook event.
(7) bell function is cut: on the basis of ringing-current amplitude test (4), the KT1 switch 5,6 in the first line capture module 104 is switched to 2, on 3, and then measurement circuit voltage, judge whether the ringing-current of tested business interface unit stops.
(8) pulse telephone number receiving function: by controlling the KT15 in the first line capture module 104,6 at Isosorbide-5-Nitrae and 2, switch, the pulse dialing process of analog station, thus can test service interface unit correctly detect pulse number between 3.
In the method that the embodiment of the present invention provides and service board, being tested needing the business unit interface of test to be connected to operational trials circuit by the first line capture module and the second line capture module, achieving the Call Emulation Test between any two interfaces.Thus simplify system, reduce system cost.In addition, the circuit of the embodiment of the present invention can provide the test of basic service port basic function simultaneously, provides supplementary means for localizing faults produces.
Through the above description of the embodiments, those skilled in the art can be well understood to the present invention can by hardware implementing, and the mode that also can add necessary general hardware platform by software realizes.Based on such understanding, technical scheme of the present invention can embody with the form of software product, it (can be CD-ROM that this software product can be stored in a non-volatile memory medium, USB flash disk, portable hard drive etc.) in, comprise some instructions and perform method described in each embodiment of the present invention in order to make a computer equipment (can be personal computer, server, or the network equipment etc.).
Be only several specific embodiment of the present invention above, but the present invention is not limited thereto, the changes that any person skilled in the art can think of all should fall into protection scope of the present invention.

Claims (6)

1. the service board for voice terminal simulation test, it is characterized in that, comprise: the first test bus, the second test bus, operational trials circuit, the first line capture module, the second line capture module, service convergence and processing unit and business interface unit, wherein:
Described business interface unit comprises multiple business unit interface;
Described first test bus is connected with described first line capture module and described operational trials circuit, and described second test bus is connected with described second line capture module and described operational trials circuit;
Described first line capture module, for the first business unit interface in described business interface unit is connected to described first test bus by described first line capture module, disconnects the external connection of described first business unit interface simultaneously;
Described second line capture module, for the second business unit interface in described business interface unit is connected to described second test bus by described second line capture module, disconnects the external connection of described second business unit interface simultaneously;
Described operational trials circuit, for testing the path between the first business unit interface be connected with described first test bus and the second business unit interface be connected with described second test bus;
Whether described service convergence and processing unit, be connected with described business interface unit, for sending voice signal by described first business unit interface, and detect from described second business unit interface to the voice signal returned; Or send voice signal by described second business unit interface, and whether detect from described first business unit interface to the voice signal returned.
2. service board as claimed in claim 1, it is characterized in that, described operational trials circuit comprises: the first switch, second switch and functional test module;
Described first switch, for controlling connection or the disconnection of described first test bus and described functional test module;
Described second switch, for controlling connection or the disconnection of described second test bus and described functional test module;
Described functional test module, for realizing the first business unit interface of being connected with described first test bus and the off-hook of the second business unit interface be connected with described second test bus, and the voice signal transmitted in both directions coupling between described first business unit interface and the second business unit interface.
3. service board as claimed in claim 2, it is characterized in that, described operational trials circuit also comprises: line voltage distribution test module, is connected with the second test bus with described first test bus, for testing the voltage between described first test bus and the second test bus.
4. service board as claimed in claim 1, it is characterized in that, described service board also comprises:
Service Control Unit, for controlling the operating state of described service convergence and processing unit, the first line capture module, the second line capture module and business interface unit.
5. a voice terminal simulation test method, it is characterized in that, be applied in the equipment comprising the first test bus, the second test bus, operational trials circuit, the first line capture module, the second line capture module, service convergence and processing unit and business interface unit, described business interface unit comprises multiple business unit interface; Described method comprises:
By described first line capture module, the first business unit interface in described business interface unit is connected to described first test bus, the external connection of described first business unit interface is disconnected simultaneously;
By described second line capture module, the second business unit interface in described business interface unit is connected to described second test bus, the external connection of described second business unit interface is disconnected simultaneously;
Tested by the path between described operational trials circuit pair the first business unit interface be connected with described first test bus and the second business unit interface of being connected with described second test bus;
Whether described service convergence and processing unit are connected with described business interface unit, send voice signal, and detect from described second business unit interface to the voice signal returned by described first business unit interface; Or send voice signal by described second business unit interface, and whether detect from described first business unit interface to the voice signal returned.
6. voice terminal simulation test method as claimed in claim 5, it is characterized in that, describedly carry out test by the path between described operational trials circuit pair the first business unit interface be connected with described first test bus and the second business unit interface of being connected with described second test bus and comprise:
By connection or the disconnection of the first test bus described in the first switch control rule of described operational trials circuit and functional test module;
Connection or the disconnection of described second test bus and described functional test module is controlled by the second switch of described operational trials circuit;
By the functional test module of described operational trials circuit, to the first business unit interface be connected with described first test bus and the off-hook of the second business unit interface be connected with described second test bus, and the voice signal transmitted in both directions coupling between described first business unit interface and the second business unit interface is tested.
CN200810146067.0A 2008-08-07 2008-08-07 Method and service veneer for voice terminal simulation test Expired - Fee Related CN101645982B (en)

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CN102131007B (en) * 2011-03-31 2014-01-15 大唐电信(天津)技术服务有限公司 Frequency shift keying signal board test device and test method simulating practical service environment
CN110958159B (en) * 2019-11-22 2021-05-11 英业达科技有限公司 Configuration method, system, readable storage medium and device for adaptive network pressure measurement
CN111355851A (en) * 2020-02-20 2020-06-30 深圳震有科技股份有限公司 Interface board detection method, equipment and storage medium

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