CN101610267B - Method and system for realizing IP side signaling monitoring through media gateway - Google Patents
Method and system for realizing IP side signaling monitoring through media gateway Download PDFInfo
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- CN101610267B CN101610267B CN 200910157824 CN200910157824A CN101610267B CN 101610267 B CN101610267 B CN 101610267B CN 200910157824 CN200910157824 CN 200910157824 CN 200910157824 A CN200910157824 A CN 200910157824A CN 101610267 B CN101610267 B CN 101610267B
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Abstract
The invention provides a method and a system for realizing IP side signaling monitoring through a media gateway. The method includes the steps of: implementing speech channel connection on the media gateway and implementing collocation on the speech channel resources needing to be used, and implementing preservation on the collocated speech channel resources; occupying the collocated speech channel resources to implement speech channel connection to form an access from a circuit exchange side to the IP side when the media gateway is started, so as to realize the monitoring from the circuit exchange side to the IP side. The invention provides a realizing method for monitoring the signaling on an IP network by opening the access from a signaling instrument at the circuit exchange side to the IP side, and can monitor the transmission situation of the signaling on the IP through the signaling instrument at the circuit exchange side.
Description
Technical field
The present invention relates to the media gateway of next generation network, relate in particular to and a kind ofly realize RTP (Real-time Transport Protocol, real time transport protocol) semi-fixing continuing in media gateway, realize the method and system of IP side signaling monitoring.
Background technology
Develop rapidly along with communication network technology, people are also increasing rapidly for broadband and professional requirement, for more flexible, various existing business and Added Business is provided to the user, offer more Extraordinary service of user, proposed the concept of next generation network (NGN), and each large telecom operators has taken up to carry out the experiment of next-generation communication network at present.
Soft switch SS (Soft Switch, soft switch) technology is one of focus in the next-generation communication network solution, has become the much-talked-about topic of in recent years industry discussion.Equipment and the system that Packet Based Network utilizes general switching software to provide CCF and media processing to be separated is provided in soft switch.Therefore, the basic meaning of soft switch is separated CCF exactly from media gateway (transport layer), realize basic call control function by software, thereby realize call transfer and call out separating of control, set up the plane of separating for control, exchange and software programmable function.Soft switch mainly provides and connects control, translation and the functions such as routing, gateway management, calling control, Bandwidth Management, signaling, fail safe and call detail record.Meanwhile, soft switch also is encapsulated Internet resources, network capabilities, and the business interface by standard open links to each other with service application layer, can be easily on network Quick for new business.
The composition of architecture of soft exchanging system mainly comprises:
1) soft switch control appliance (Softswitch Control Device) this be core control equipment (namely we usually said soft switch) in the network.It is finished call treatment control function, access protocol adaption function, business interface function, interconnection and interflow function, application support system function etc. is provided.
2) business platform (Service Platform) is finished the new business generation and function is provided, and mainly comprises SCP (Service Control Point, service control point) and application server.
3) SGW (Signaling Gateway, SG) mainly refers to the Signaling System Number 7 gateway device at present.Traditional No.7 signalling system is based on Circuit-switched, all applying portions all are by MTP (Message Transfer Part, message transfer part) carries, in soft exchanging system, then need to be carried by IP (Internet Protocol, Internet protocol).
4) media gateway (Media Gateway) is finished the conversion process function of Media Stream.Be divided into the different of processing Media Stream according to its position: Tandem Gateway (Trunking Gateway), IAD (Access Gateway), multimedia gateway (Multimedia Service Access Gateway), radio network gateway (Wireless Access Gateway) etc.
5) H.323 IP terminal (IP Terminal) mainly refers to two kinds at terminal and SIP (Session initiationprotocol, SIP) terminal at present, such as IP PBX, IP Phone, PC etc.
6) other fastening.Such as aaa server, large-capacity distributing database, strategic server (Policy Server) etc., they provide necessary support for the operation of soft switchcall server.
At present, in soft exchanging system, can only realize the monitoring to TMD (circuit switching) side signaling, can't realize (IP) side signaling of transmission on bearer network realized monitoring.
Summary of the invention
Technical problem to be solved by this invention is a kind of method and system by media gateway realization IP side signaling monitoring, to solve the problem that can't realize (IP) side signaling of transmission on bearer network realized monitoring in the prior art.
In order to solve the problems of the technologies described above, the invention provides a kind of method by media gateway realization IP side signaling monitoring, comprising:
Media gateway is carried out the speech channel traffic resource that need to use that continues be configured, and the traffic resource that configures is reserved;
When media gateway starts, take the described traffic resource that configures, carry out continuing of speech channel, form circuit-switched side to the path of IP side, to realize that circuit-switched side is to the monitoring of IP side signaling.
In order to solve the problems of the technologies described above, the present invention also provides a kind of system by media gateway realization IP side signaling monitoring, comprising:
Configuration module is used for that media gateway is carried out the speech channel traffic resource that need to use that continues and is configured, and the traffic resource that configures is reserved;
Connecting module is used for taking the described traffic resource that configures when media gateway starts, and carries out continuing of speech channel, forms circuit-switched side to the path of IP side, to realize that circuit-switched side is to the monitoring of IP side signaling.
The signaling instrument of the present invention by opening the TDM side be to the path of IP side, thereby for the monitoring of the signaling on the IP network provides implementation method, can monitor the transmission situation of the upper signaling of IP by the signaling instrument of TDM side.Compared with prior art, continue (VOIP) that continues with original SS (Soft Switch, soft switch) control of the present invention compares and realized: the automation process of the function that continues, disposed the resource information that continues, after gateway device is restarted, can realize the handshaking procedure of speech channel; Gateway device can connect automatically according to the variation of resource status the road and tear open passes by journey; Not controlled by SS, gateway is controlled the state that continues.
Description of drawings
Fig. 1 is the method flow diagram that passes through media gateway realization IP side signaling monitoring of first embodiment of the invention;
Fig. 2 is the method flow diagram that passes through media gateway realization IP side signaling monitoring of second embodiment of the invention;
Fig. 3 is the IP of carrying out side signaling monitoring system configuration schematic diagram of the present invention;
Fig. 4 is the structural representation of the applied soft switchcall server of method and system of the IP of carrying out side signaling monitoring of the present invention;
Fig. 5 is the transfer of data flow process figure in the NGN system shown in Figure 4.
Embodiment
Core concept of the present invention is, allow media gateway according to the user configured information that continues, automatically realize that TRUNK (E1) (digital junction circuit) is to the function that continues of VTC (speech coding plate), open simultaneously the passage of VTC and RTP (voice/video data flow real time transport protocol), form the signaling instrument of circuit-switched side to the path of IP side, for the transparent transmission of the signaling of IP side with monitor the signaling realization path of IP side.
When media gateway restarts, can again carry out automatic connection according to the information of configuration; Simultaneously when the continue resource state changes, when resource status was unusual, it was continuous automatically to carry out tearing open of path, when resource status is normal, automatically carries out the function that continues of path.
The present invention proposes the concept of RTP semi-fixing continuing, semifixed resource and the parameter that need to refer to the artificial RTP of appointment of RTP.
Below in conjunction with accompanying drawing and preferred implementation technical solution of the present invention is elaborated.
The present invention allows the media gateway support according to user configured TRUNK (E1) (digital junction circuit), VTC (Voice Transcoder Card, speech coding plate), RTP (local ip address, port numbers port; Far-end ip address, port numbers port) the speech channel of information automatic connection, form circuit switching (TDM) side to the path of IP, be that the monitoring of IP side signaling realizes path.
With reference to shown in Figure 1, the method flow diagram that passes through media gateway realization IP side signaling monitoring for first embodiment of the invention said method comprising the steps of:
Step 101: media gateway is carried out the speech channel traffic resource that need to use that continues be configured, and the traffic resource that configures is reserved;
Step 102: when media gateway (MG) starts, carry out foreground and background data synchronously after, the foreground refers to the veneer of frame, the backstage is plant maintenance pc.Take the described traffic resource that configures, carry out continuing of speech channel, form circuit-switched side to the path of IP side, to realize that circuit-switched side is to the monitoring of IP side signaling.
In a preferred embodiment of the invention, described method also comprises: the described traffic resource that configures is carried out record.
With reference to shown in Figure 2, the method flow diagram that passes through media gateway realization IP side signaling monitoring for second embodiment of the invention said method comprising the steps of:
Step 201: media gateway is carried out the speech channel traffic resource that need to use that continues be configured, comprise: (the IP address information+PORT port numbers) of configuration TRUNK repeat circuit, RTP (voice/video data flow real time transport protocol), VTC (speech coding plate), CODER (coded system), local terminal media gateway rtp stack, continue (the IP address information+PORT port numbers) of object rtp stack, and the traffic resource that configures is reserved;
Step 202: media gateway takies continue used TRUNK, RTP, VTC resource according to the described resource information that continues that configures;
Step 203: when determining resource status when idle, finish VTC and open and the speech channel work that continues to the passage of RTP;
Step 204: the interpretation resource status be idle, communication disconnected or take, when determining resource status when idle, finish by the TRUNK repeat circuit to T net and VTC speech coding plate continuing to T net (time gas exchange network);
Step 205: speech channel continues and finishes, and forms circuit (TDM) side to the path of IP bearer network side;
Step 206: media gateway changes at data resource, in the time of need to again continuing to traffic resource, according to the variation of resource status, can automatically carry out the connection of speech channel, when needs discharge traffic resource, also can realize the dismounting to speech channel; Comprise: when resource status by taking communication disconnected the time, remove and continue (speech channel), disconnected when taking by communication when resource status, begin to continue (speech channel) works;
Step 207: when the resource information that the user removes described configuration, remove speech channel, resource release.
The step that it is pointed out that interpretation resource status in step 203 and the step 204 also can be saved, because the resource that configures is reserved in the step 201, so the state one of resource is decided to be the free time.The present invention is not limited this.
With reference to shown in Figure 3, be the system configuration schematic diagram by media gateway realization IP side signaling monitoring of the present invention, described system comprises:
Connecting module 302 is used for taking the described traffic resource that configures when media gateway starts, and carries out continuing of speech channel, forms circuit-switched side to the path of IP side, to realize that circuit-switched side is to the monitoring of IP side signaling.
As a kind of preferred implementation of the present invention, described system also comprises:
Logging modle 303 is used for the described traffic resource that configures is carried out record.
The media gateway of described configuration module configuration is carried out the traffic resource that speech channel continues and need to use, comprise: repeat circuit, speech coding plate, coded system, IP address and the port number information of local terminal media gateway voice/video data flow real time transport protocol stack, IP address and the port number information of the voice/video data flow real time transport protocol stack of the object that continues.
Specifically, described connecting module, be further used for media gateway change at data resource, in the time of need to again continuing to traffic resource, the described traffic resource state that configures of interpretation be idle, communication disconnected or take, when determining the traffic resource state for the free time
Finish the signaling instrument by repeat circuit continuing to the time slot switching network;
Finish speech coding plate continuing to the time slot switching network;
Finishing the speech coding plate opens with speech channel to the passage of voice/video data flow real time transport protocol stack and continues.
As a kind of preferred implementation of the present invention, described system also comprises:
Described maintenance module 304 is further used for when the user removes the traffic resource of configuration, removes speech channel, discharges described traffic resource.
With reference to shown in Figure 4, be the structural representation that carries out the applied soft switchcall server of method and system of IP side signaling monitoring of the present invention.The applied NGN structure of the present invention comprises: signaling instrument, digital junction circuit, time gas exchange network, speech coding plate, audio/video data stream real time transport protocol stack, internet, SGW (SG).
With reference to shown in Figure 5, carry out the operation principle schematic diagram of IP side signaling monitoring for adopting the inventive method.There is shown packet transmittance process between various piece in soft switchcall server.
After the signaling instrument that is arranged at circuit-switched side listens to packet, the packet of described circuit-switched side is transferred to the digital junction circuit by the signaling instrument, be delivered to the time gas exchange network via the digital junction circuit, after the time gas exchange network carries out time gas exchange to the packet of described circuit-switched side, be delivered to the speech coding plate, the speech coding buttress is encoded according to CODER (coded system), afterwards, with Packet Generation to local voice/video data stream real time transport protocol stack, described local voice/video data stream real time transport protocol stack is according to remote port address and port numbers, with Packet Generation to the far-end speech of appointment/video data stream real time transport protocol stack; Thereby be implemented to the signaling instrument to the path of the SGW of IP side.
As seen, adopt method of the present invention, after the user configures the resource that continues, realize the reservation of traffic resource; When media gateway started, the traffic resource according to reserving can carry out the operation that continues of path automatically; Simultaneously, when resource status changed, media gateway can continue or tears open continuous according to resource status.
It is pointed out that scheme of the present invention, be not restricted to listed utilization in specification and the execution mode.Concerning the technology of the present invention those of ordinary skill in the field, can make according to the present invention various corresponding changes and distortion, and all these corresponding changes and distortion all belong to the protection range of claim of the present invention.
Claims (12)
1. the method by media gateway realization IP side signaling monitoring is characterized in that, comprising:
Media gateway is carried out the speech channel traffic resource that need to use that continues be configured, and the traffic resource that configures is reserved;
When media gateway starts, take the described traffic resource that configures, carry out continuing of speech channel, form circuit-switched side to the path of IP side, to realize that circuit-switched side is to the monitoring of IP side signaling.
2. the method for claim 1 is characterized in that, also comprises:
The described traffic resource that configures is carried out record.
3. the method for claim 1 is characterized in that,
Described media gateway is carried out the traffic resource that speech channel continues and need to use, comprise: repeat circuit, speech coding plate, coded system, IP address and the port number information of local terminal media gateway voice/video data flow real time transport protocol stack, IP address and the port number information of the voice/video data flow real time transport protocol stack of the object that continues.
4. the method for claim 1 is characterized in that, described method also comprises:
Media gateway changes at data resource, in the time of need to again continuing to speech channel, the described traffic resource state that configures of interpretation be idle, communication is disconnected or take, when determining the traffic resource state when idle,
Finishing the speech coding plate opens with speech channel to the passage of voice/video data flow real time transport protocol stack and continues;
Finish the signaling instrument by repeat circuit continuing to the time slot switching network;
Finish speech coding plate continuing to the time slot switching network.
5. method as claimed in claim 4 is characterized in that, also comprises:
Media gateway is according to the variation of data resource, carries out the dismounting of speech channel and continues, and comprising: when the traffic resource state by taking communication when disconnected, remove continuing of speech channel; Disconnected when taking by communication when the traffic resource state, begin speech channel and continue.
6. the method for claim 1 is characterized in that, also comprises:
When the user removes the traffic resource of configuration, remove speech channel, discharge described traffic resource.
7. the system by media gateway realization IP side signaling monitoring is characterized in that, comprising:
Configuration module is used for that media gateway is carried out the speech channel traffic resource that need to use that continues and is configured, and the traffic resource that configures is reserved;
Connecting module is used for taking the described traffic resource that configures when media gateway starts, and carries out continuing of speech channel, forms circuit-switched side to the path of IP side, to realize that circuit-switched side is to the monitoring of IP side signaling.
8. system as claimed in claim 7 is characterized in that, also comprises:
Logging modle is used for the described traffic resource that configures is carried out record.
9. system as claimed in claim 7 is characterized in that,
Described media gateway is carried out the traffic resource that speech channel continues and need to use, comprise: repeat circuit, speech coding plate, coded system, IP address and the port number information of local terminal media gateway voice/video data flow real time transport protocol stack, IP address and the port number information of the voice/video data flow real time transport protocol stack of the object that continues.
10. system as claimed in claim 7, it is characterized in that, described connecting module, be further used for media gateway change at data resource, in the time of need to again continuing to speech channel, the described traffic resource state that configures of interpretation be idle, communication disconnected or take, when determining the traffic resource state for the free time
Finishing the speech coding plate opens with speech channel to the passage of voice/video data flow real time transport protocol stack and continues;
Finish the signaling instrument by repeat circuit continuing to the time slot switching network;
Finish speech coding plate continuing to the time slot switching network.
11. system as claimed in claim 10 is characterized in that, also comprises:
Maintenance module is used for the variation according to the traffic resource state, carry out the dismounting of speech channel and continue, when the traffic resource state by taking communication when disconnected, remove continuing of speech channel; Disconnected when taking by communication when the traffic resource state, begin speech channel and continue.
12. system as claimed in claim 11 is characterized in that,
Described maintenance module is further used for when the user removes the traffic resource of configuration, removes speech channel, discharges described traffic resource.
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| CN 200910157824 CN101610267B (en) | 2009-07-07 | 2009-07-07 | Method and system for realizing IP side signaling monitoring through media gateway |
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| CN 200910157824 CN101610267B (en) | 2009-07-07 | 2009-07-07 | Method and system for realizing IP side signaling monitoring through media gateway |
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| CN101610267B true CN101610267B (en) | 2013-03-20 |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1509015A (en) * | 2002-12-16 | 2004-06-30 | 华为技术有限公司 | System and method for realizing packet voice network monitoring |
| CN101296271A (en) * | 2007-04-25 | 2008-10-29 | 中兴通讯股份有限公司 | Method for monitoring user dual-tone multi-frequency signal |
| CN101360214A (en) * | 2008-09-08 | 2009-02-04 | 北京华夏佳讯技术有限公司 | System and method implementing remote meeting command |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1509015A (en) * | 2002-12-16 | 2004-06-30 | 华为技术有限公司 | System and method for realizing packet voice network monitoring |
| CN101296271A (en) * | 2007-04-25 | 2008-10-29 | 中兴通讯股份有限公司 | Method for monitoring user dual-tone multi-frequency signal |
| CN101360214A (en) * | 2008-09-08 | 2009-02-04 | 北京华夏佳讯技术有限公司 | System and method implementing remote meeting command |
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| CN101610267A (en) | 2009-12-23 |
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