CN102752293A - Method and system for implementing support of user line test in next generation network (NGN) - Google Patents
Method and system for implementing support of user line test in next generation network (NGN) Download PDFInfo
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- CN102752293A CN102752293A CN2012102078571A CN201210207857A CN102752293A CN 102752293 A CN102752293 A CN 102752293A CN 2012102078571 A CN2012102078571 A CN 2012102078571A CN 201210207857 A CN201210207857 A CN 201210207857A CN 102752293 A CN102752293 A CN 102752293A
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Abstract
The invention provides a method and system for implementing the support of a user line test function in a next generation network (NGN). The method comprises the steps that according to the telephone number of a fault user, a media gateway and a terminal node identifier corresponding to the fault user are found out on core network equipment; a command aiming at the terminal node identifier is sent to the media gateway through using a gateway control protocol, so as to request the media gateway to execute the user line test function; and the media gateway executes the related user line test function after receiving the request. By adopting the method and the system provided by the invention, the NGN/IMS (IP (Internet protocol) multimedia subsystem) core network equipment can control the gateway to complete the user line test function through the gateway control protocol, so maintenance personnel of the NGN/IMS core network can position user line faults on the core network equipment, and therefore the maintenance is benefited.
Description
Technical field
The present invention relates to the communications field, especially, relate to a kind of method and system that in next generation network (NGN)/IP Multimedia System (IMS), realize user line testing.
Background technology
The subsystem of IMS (IP Multimedia Subsystem, IP Multimedia System) the support IP multimedia service that to be 3GPP propose at Release 5 versions, its core characteristics be adopt Session Initiation Protocol and with the independence that inserts.Under the development trend of the network integration, 3GPP, ETSI and ITU-T in the network integration scheme of research based on IMS, realize the fusion of fixed network and mobile network.Therefore IMS is considered to the dreamboat framework that is next generation network.
Soft switch (SS) notion is on the basis of IP phone, progressively to grow up in the later stage nineties 20th century, be in communication network by the arrowband to the broadband transition, progressively perfect in the process of packet switching evolution by circuit switching.
Among NGN and the IMS; Through traditional switch being separated into MGC (Media Gateway Controller) and MG (WMG); Utilize the characteristics of IP/ATM transmission network, can realize on the one hand the mutual of voice, image, data, MGC can manyly more easily introduce professional on the other hand.MGC also can pass through MG and traditional P STN, PLMN network interworking.In next generation network; H.248 or MGCP (two protocol application scenes with the effect similar; Back literary composition is convenient for describing, as with concrete protocol-independent, only with H.248 explanation separately) as the main media gateway protocols between MGC and the MG; The main completion: 1) under MGC control, accomplish the foundation and the release of the media channel among the MG; 2) under MGC control, the media channel and being connected with removing of bearer path of accomplishing among the MG are connected; 3) the configuration among the completion MG in MGC control down, to the attribute of media channel and bearer path; 4) in MG, accomplish the operation of MGC, comprise playback, audit etc. media channel and bearer path; 5) event among the MG is sent to MGC; 6) realize some simple call signalings, like analog line signaling, channel associated signalling etc.H.248/MGCP be a kind of control protocol up and down, MGC controls the behavior of MG fully.
Along with the development of soft switch and IMS, a large amount of subscriber terminal equipment IAD controllers causes the IP address in short supply, and terminal user management is complicated, problems such as the fail safe of system.Edge access control equipment BAC (Border Access Control; Also has multiple different expression; As: broad access network gate BGW-Broad GateWay; Session border control appliance SBC-Session Border Control) can satisfy dissimilar user (comprising enterprise, individual, mobile subscriber) simultaneously, the access demand of multiple capacity, and support various protocols MGCP, agent functionality H.248 simultaneously.Realize the control and management of signaling, Media Stream address transition, the authentication that inserts the user, management, Business Stream, functions such as resource management.
In actual telecommunications Operation Network, MG can insert a large amount of analog lines as a kind of controlled entity of Access Layer.The user plate of these analog lines from the phone to MG; Middle can be through very long connection distance, if when the user finds to influence the fault of conversation, be that the fault of which part of subscribers feeder or phone causes in order to locate; MG is last can to provide one group of test function; Fault location origination point, these test functions mainly are that the multiple parameters of user's internal and external line is tested, like loop current test, the Feed Voltage Test of interior lines; The voltage of outside line, resistance, capacity measurement.Through analyzing the test result of these parameters, just can locate is where partly breaking down of circuit or phone.
From the angle of telecom operation, equipment of the core network can insert a lot of MG equipment as the controlled entity of MGC; Like home gateway, IAD (Integrated Access Device; Integrated access equipment), be placed on the telecommunications room diverse location with equipment of the core network is concentrated, these terminal equipment quantity are many; It is wide to distribute, and this makes core net attendant inconvenience manage.If the subscriber's line fault takes place, the attendant needs the user line testing of remote control terminal equipment, and this makes troubles to maintenance work.More serious is, if these terminal equipments are linked into core net through BAC, because BAC shielded terminal network, make can not long-rangely be connected to terminal equipment on the core net, thereby can't carry out user line testing.
Summary of the invention
In order to solve above-mentioned described technological deficiency; The present invention provides a kind of implementation method of in next generation network, supporting user line testing; Use gateway control protocol, control MG equipment is accomplished user line testing on equipment of the core network, and demonstrates test result.Its purpose is: can make the NGN/IMS equipment of the core network accomplish user line testing through the gateway control protocol control gateway, make NGN/IMS core net attendant just can consumer positioning line fault on equipment of the core network so that safeguard.
For realizing above-mentioned purpose, the present invention takes following technical scheme:
A kind of implementation method of in next generation network, supporting user line testing comprises:
According to the phone number of failed subs criber, on equipment of the core network, find and corresponding WMG of this failed subs criber and destination node identifier;
Use gateway control protocol to send order, ask this WMG to carry out user line testing to this destination node identifier to this WMG;
After this WMG is received this request, carry out associated user's line test function.
Preferably, this equipment of the core network is AGCF.
Implementation method of the present invention also comprises:
After WMG was carried out associated user's line test function, WMG was back to the AGCF as equipment of the core network with each test result, was judged associated user's line status and was shown to the associated user through user interface according to this test result by AGCF; Perhaps, after WMG is carried out associated user's line test function, obtain associated user's line status by this test result of WMG analysis, and associated user's line status is sent to AGCF.
Preferably, when carrying out associated user's line test function, test parameter comprises one or more in the following parameter: loop current, loop resitance, feed voltage, ringing-current voltage, outside line voltage, resistance, electric current between internal and external line.
Preferably, WMG is also carried out the functional test request, and the prompting that command execution is accomplished is sent to AGCF.
Preferably, use the signal description symbol or the event descriptor of agreement H.248 to carry each test parameter.
Preferably, gateway control protocol is H.248 agreement or MGCP agreement, also can be that other are used for the control protocol between MGC and the MG.
Preferably, use gateway control protocol to send the Modify order to the destination node identifier to WMG, the request WMG is carried out user line testing.Modify is the order that the Media Gateway Controller indicating media gateway is revised attribute, incident and the signal of destination node.
Preferably, WMG uses new Notify order that each test result is back to AGCF.Notify is that WMG is attend the order that institute's event is used to Media Gateway Controller report WMG.
The equipment that is used for media gateway controlling in a kind of next generation network comprises the line testing control device, and this line testing control device comprises:
Search module, be used for phone number, find and corresponding WMG of this failed subs criber and destination node identifier according to failed subs criber;
Request module is used to use gateway control protocol to send the order to this destination node identifier to this WMG, asks this WMG to carry out user line testing;
Receiving processing module is used to receive described request and after WMG is carried out associated user's line test function, is shown to the associated user according to test result judgement associated user's line status and through user interface.
WMG in a kind of next generation network comprises the line testing device, and this line testing device comprises:
Receiver module is used to receive the order to the destination node identifier, and the trigger request WMG is carried out line testing;
Test module is used for receiving this request back execution associated user line test;
Return module, be used for each test result is back to AGCF, judge associated user's line status and be shown to the associated user according to test result through user interface by AGCF.
Preferably, the WMG in the next generation network of the present invention also comprises analysis and processing module, is used for the analytical test result and obtains associated user's line status, and associated user's line status is sent to AGCF.
Support the system of user line testing in a kind of next generation network, comprise aforementioned equipment and the WMG that is used for media gateway controlling.
The present invention is owing to take above-described technical scheme; It has the following advantages: can make NGN/IMS core net attendant on equipment of the core network, carry out line testing; Avoided many in terminal equipment quantity, the test that distributes when wide is inconvenient even can't carry out, and makes that the attendant can be according to the easy analysis of test result consumer positioning line fault quickly.
Description of drawings
Fig. 1 is the sketch map according to an execution mode of the network architecture of the present invention;
Fig. 2 is the sketch map according to another execution mode of the network architecture of the present invention;
Fig. 3 is the flow chart of in next generation network, supporting the implementation method of user line testing according to an embodiment of the invention;
Fig. 4 is the flow chart of in next generation network, supporting the implementation method of user line testing according to another embodiment of the present invention.
Embodiment
Below in conjunction with accompanying drawing and embodiment method of the present invention is further specified.
Fig. 1 is the sketch map according to an execution mode of the network architecture of the present invention.As shown in Figure 1, a kind of network architecture comprises IP network, all is connected to a plurality of WMGs, AGCF1 and the AGCF2 of IP network.
Fig. 2 is the sketch map according to another execution mode of the network architecture of the present invention.As shown in Figure 2, a kind of network architecture comprises IP network 1, IP network 2, IP network 3, edge access control equipment (BAC), AGCF1, AGCF2 and a plurality of WMG; Wherein a plurality of WMGs are connected to IP network 1, and AGCF1 is connected to IP network 2 and AGCF 2 is connected to IP network 3, and IP network 1, IP network 2, IP network 3 are connected with BAC respectively.
Fig. 3 is the flow chart of in next generation network, supporting the implementation method of user line testing according to an embodiment of the invention.As shown in Figure 3, a kind of implementation method of in next generation network, supporting user line testing comprises:
101: core net attendant finds on AGCF and corresponding WMG of this failed subs criber and TerminationID according to the phone number of failed subs criber;
102: core net attendant uses gateway control protocol to send the Modify order to TerminationID to this WMG, asks this WMG to carry out user line testing;
103: after WMG is received this request, carry out associated user's line test function.
104: after WMG is carried out associated user's line test function; WMG uses new Notify order that each test result is back to AGCF, is judged associated user's line status and through user interface it is shown to the associated user according to test result by AGCF.
Fig. 4 is the flow chart of in next generation network, supporting the implementation method of user line testing according to another embodiment of the present invention.As shown in Figure 4, a kind of implementation method of in next generation network, supporting user line testing comprises:
201: core net attendant finds on AGCF and corresponding WMG of this failed subs criber and TerminationID according to the phone number of failed subs criber;
202: core net attendant uses gateway control protocol to send the Modify order to TerminationID to this WMG, asks this WMG to carry out user line testing;
203: after WMG is received this request, carry out associated user's line test function.
204: analyze measured test result by WMG and obtain associated user's line status, and associated user's line status is sent to AGCF.
In above two execution modes; When carrying out associated user's line test function, test parameter preferably includes one or more in the following parameter: loop current, loop resitance, feed voltage, ringing-current voltage, outside line voltage, resistance, electric current between internal and external line.Wherein preferably use the signal description symbol or the event descriptor of agreement H.248 to carry each test parameter.Test result preferably adopts the detection incident to carry.
WMG can also be carried out the functional test request of no return value, and for example, the indication gateway sends howler tone, sends tests such as ringing-current, and the prompting that command execution is accomplished is sent to AGCF.
Obviously, those skilled in the art painstakingly carries out various changes and modification to the present invention and does not break away from the spirit and scope of the present invention.Like this, belong within the scope of claim of the present invention and equivalent technologies thereof if of the present invention these are revised with modification, then the present invention also is intended to comprise these changes and modification interior.
Claims (14)
1. an implementation method of in next generation network, supporting user line testing is characterized in that, comprising:
According to the phone number of failed subs criber, on equipment of the core network, find and corresponding WMG of said failed subs criber and destination node identifier;
Use gateway control protocol to send order, ask said WMG to carry out user line testing to said destination node identifier to said WMG;
After said WMG is received this request, carry out associated user's line test function.
2. implementation method as claimed in claim 1 is characterized in that: said equipment of the core network is AGCF.
3. according to claim 1 or claim 2 implementation method is characterized in that, also comprises:
After said WMG is carried out associated user's line test function; Said WMG is back to said AGCF with each test result, is judged associated user's line status and through user interface it is shown to the associated user according to said test result by said AGCF; Perhaps
After said WMG is carried out associated user's line test function, analyze said test result by said WMG and obtain associated user's line status, and said associated user's line status is sent to said AGCF.
4. like the implementation method of claim 1 to 3 described in each; It is characterized in that: when carrying out associated user's line test function, test parameter comprises one or more in the following parameter: loop current, loop resitance, feed voltage, ringing-current voltage, outside line voltage, resistance, electric current between internal and external line.
5. according to claim 1 or claim 2 implementation method, it is characterized in that: said WMG is also carried out the functional test request, and the prompting that command execution is accomplished is sent to said AGCF.
6. implementation method as claimed in claim 4 is characterized in that: use the signal description symbol or the event descriptor of agreement H.248 to carry each test parameter.
7. according to claim 1 or claim 2 implementation method is characterized in that: said gateway control protocol is H.248 agreement or MGCP agreement.
8. implementation method as claimed in claim 1 is characterized in that: use gateway control protocol to send the Modify order to said destination node identifier to said WMG, ask said WMG to carry out user line testing.
9. implementation method as claimed in claim 3 is characterized in that: said WMG uses new Notify order that each test result is back to said AGCF.
10. be used for the equipment of media gateway controlling in the next generation network, it is characterized in that comprise the line testing control device, this line testing control device comprises:
Search module, be used for phone number, find and corresponding WMG of this failed subs criber and destination node identifier according to failed subs criber;
Request module is used to use gateway control protocol to send the order to said destination node identifier to said WMG, asks said WMG to carry out user line testing;
Receiving processing module is used to receive described request and after said WMG is carried out associated user's line test function, is shown to the associated user according to said test result judgement associated user's line status and through user interface.
11. the equipment that is used for media gateway controlling as claimed in claim 10 is characterized in that: said gateway control protocol is H.248 agreement or MGCP agreement.
12. the WMG in the next generation network is characterized in that comprise the line testing device, this line testing device comprises:
Receiver module is used to receive the order to the destination node identifier, and the said WMG of trigger request is carried out line testing;
Test module is used for receiving this request back execution associated user line test;
Return module, be used for each test result is back to AGCF, judge associated user's line status and be shown to the associated user according to said test result through user interface by said AGCF.
13. WMG as claimed in claim 12 is characterized in that, also comprises:
Analysis and processing module is used to analyze said test result and obtains associated user's line status, and said associated user's line status is sent to said AGCF.
14. support the system of user line testing in the next generation network, it is characterized in that, comprising:
Like claim 10 or the 11 described equipment that are used for media gateway controlling; And
Like claim 12 or 13 described WMGs.
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Patent Citations (7)
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| CN1533113A (en) * | 2003-03-20 | 2004-09-29 | 华为技术有限公司 | Method for detecting transmission link state by using medium gateway control protocol |
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| WO2006048769A1 (en) * | 2004-11-03 | 2006-05-11 | Telefonaktiebolaget Lm Ericsson (Publ) | A new h.248.1 topology descriptor |
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