CN101848435A - Short message signaling-forwarding method and short message signaling system No. 7 router - Google Patents
Short message signaling-forwarding method and short message signaling system No. 7 router Download PDFInfo
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Abstract
The invention provides a short message signaling-forwarding method and a short message signaling system No. 7 router. The short message signaling system No. 7 router comprises a signaling-processing module and a service application module; the signaling-processing module is used for receiving and decoding a first short message signaling sent by a signaling network side and extracting and sending short message service application-related parameters to the service application module, and is also used for receiving and coding a second short message signaling according to processing result information and then sending the second short message signaling to a corresponding network element; and the service application module is used for analyzing the received parameters sent by the signaling-processing module, processing the parameters according to the corresponding short message service application preset by a user and outputting processing result information to the signaling-processing module. The invention can correspondingly process the short message service application-related parameters in the short message signaling in the process of forwarding the short message signaling, and thereby can solve the problem that the value-added service of an operator can be hardly applied.
Description
Technical field
The present invention relates to the communications field, particularly relate to method and short message Signaling System Number 7 router that a kind of short message signaling is transmitted.
Background technology
Except telephone service, data loading service, Public Land Mobile Nerwork (Public Land MobileNetwork, be called for short PLMN) can also provide a kind of convenience, effective, economic information notification means for the user: short message service.No.7 signalling system is one of key technology of modern communication networks, is a kind of according to the thinking design of open system interconnection (Open System Interconnection is called for short OSI) layering and the interoffice Common channel signalling system of using.Short message service is a big important application of Signaling System Number 7 agreement.Use relevant bottom-up Message Transfer Part (the Message Transfer Part that is divided into of Signaling System Number 7 protocol hierarchy structure with short message, abbreviation MTP), SCCP (Signaling ConnectionControl Point, abbreviation SCCP), transaction-capable applying portion (Transaction CapabilitiesApplication Part, abbreviation TCAP), these several major parts of MAP (Mobile Application Part is called for short MAP).First three part is responsible for link transmission, routing addressing, the organization and administration of Signaling System Number 7, and for the upper-layer protocol module provides application interface, the MAP part then really relates to short message service and uses relevant function.
Short message service mainly can be divided into two types: point-to-point service and Cell Broadcast CB.Point-to-point service makes and can transmit short message between the user in the wireless system, but needs transmit by SMS service center (ShortMessage Service Center is called for short SMSC).Point-to-point short message service has three basic business unit: short message original calling (Short Message Mobile Originate, abbreviation SM-MO) business unit, SMS terminal call (Short Message Mobile Terminated, be called for short SM-MT) business unit and short message notification (Short Message Alert is called for short SM-Alert) business unit.Wherein, the short message callee function unit also can trigger route requests (Send Routing Information, be called for short SRI) flow process, be that SMS service center is to attaching position register (Home Location Register, be called for short HLR) ask whole routing address of exhaling (promptly to serve called subscriber's (the MobileSwitching Center of mobile switching centre, abbreviation MSC) address), just can be after the route response by the time with SMS terminal call to MSC.
This shows that the network element that relates to the application of short message Signaling System Number 7 among the GSM mobile network mainly contains mobile switching centre (MSC), attaching position register (HLR) and short message service center (SMSC) etc.Short message signaling is between these service application network elements, and general and indirectly connected transmission transmits but collimate to connect via Signaling Transfer Point.The signaling forwarding capability of STP is very limited, mainly be according to the origin of signaling and destination address carry out signaling forwarding (annotate: the protocol hierarchy structures shape of signaling the origin of a short message with destination address different signs is arranged on different protocol layers, such as calling and called Subscriber Number of the origin address of the source GT (Global Title, global title) of the Original Signaling Point sign indicating number of MTP layer and destination signaling point sign indicating number, SCCP layer and purpose GT, MAP layer and destination address, service application layer etc.And address described here is the Original Signaling Point sign indicating number and the destination signaling point sign indicating number of MTP layer, or the source GT of SCCP layer and purpose GT), and closely-related signaling parameter is used in calling and called Subscriber Number these and the short message service that can not initiatively remove to revise the origin address of the source GT of SCCP layer and purpose GT, MAP layer and destination address, service application layer.The limitation of signaling forward mode can cause a lot of value-added services (for example monitoring spam, short message are intercepted with interception, mobile number and carried etc.) to be difficult to smooth application in this net and between net, the business of operator is carried out with operation management cause very big influence.
Summary of the invention
The technical problem to be solved in the present invention provides method and the short message Signaling System Number 7 router that a kind of short message signaling is transmitted, and in order to break through the limitation of signaling forward mode in the prior art, the value-added service that solves operator is difficult to the problem of application smoothly.
In order to solve the problems of the technologies described above, the invention provides the method that a kind of short message signaling is transmitted, comprising:
Behind first short message signaling that reception signaling network side is sent, described first short message signaling is decoded, extract the parameter relevant with the short message service application;
The parameter that extracts is analyzed, handled according to the corresponding short message service application that the user sets in advance based on analysis result;
Based on result second short message signaling of encoding, then described second short message signaling is sent to corresponding network element.
Further, said method also has following feature: the described corresponding short message service that sets in advance according to the user based on analysis result is used and is handled, and is specially based on result second short message signaling of encoding:
Use the described parameter of modification based on the corresponding short message service that analysis result sets in advance according to the user;
Based on amended parameter coding second short message signaling.
Further, said method also has following feature: the described corresponding short message service that sets in advance according to the user based on analysis result is used and is handled, and is specially based on result second short message signaling of encoding:
Satisfy predetermined condition if analyze the parameter of being extracted, then the corresponding signaling process of short message service applications trigger that sets in advance according to the user;
Based on the signaling process that is triggered second short message signaling of encoding.
Further, said method also has following feature: the parameter that described analysis is extracted satisfies predetermined condition and is specially:
Check the legitimacy of the parameter extracted, if legal, the corresponding signaling process of short message service applications trigger that sets in advance according to the user then.
In order to solve the problems of the technologies described above, the present invention also provides a kind of short message Signaling System Number 7 router, comprising:
Signaling processing module, be used to receive first short message signaling that the signaling network side sends after, described first short message signaling is decoded, extract and relevant parameter is used in short message service, send to business application module; After being used to receive the processing result information of business application module output,, then described second short message signaling is sent to corresponding network element according to described processing result information second short message signaling of encoding;
Business application module, be used to receive the parameter that signaling processing module sends after, this parameter is analyzed, the corresponding short message service that sets in advance according to the user is used and is handled, and processing result information is exported to described signaling processing module.
Further, above-mentioned short message Signaling System Number 7 router also possesses following feature:
Described business application module specifically is used for using the described parameter of modification according to the corresponding short message service that the user sets in advance, and amended parameter is exported to described signaling processing module;
Described signaling processing module specifically is used for then described second short message signaling being sent to corresponding network element based on amended parameter coding second short message signaling.
Further, above-mentioned short message Signaling System Number 7 router also possesses following feature:
Described business application module specifically is used for satisfying predetermined condition if analyze the parameter of being extracted, and then the corresponding signaling process of short message service applications trigger that sets in advance according to the user sends to described signaling processing module with the signaling process information that is triggered;
Described signaling processing module also is used for then described second short message signaling being sent to corresponding network element according to the described signaling process information that receives described second short message signaling of encoding.
Further, above-mentioned short message Signaling System Number 7 router also possesses following feature:
Described business application module specifically is used to check the legitimacy of the parameter of being extracted, if legal, and the corresponding signaling process of short message service applications trigger that sets in advance according to the user then.
Further, above-mentioned short message Signaling System Number 7 router also possesses following feature:
Corresponding network element is another short message Signaling System Number 7 router.
To sum up, method and short message Signaling System Number 7 router according to short message signaling forwarding provided by the invention, use relevant parameter with short message service in can be in transmitting the process of short message signaling and handle accordingly, and then the value-added service that can solve operator is difficult to the problem of application smoothly short message signaling.
Description of drawings
Fig. 1 is the schematic diagram of the short message Signaling System Number 7 router of the embodiment of the invention;
Fig. 2 is the flow chart of the method transmitted of the short message Signaling System Number 7 of the embodiment of the invention;
Fig. 3 is the SMS terminal call schematic flow sheet according to the method for short message Signaling System Number 7 forwarding of the present invention;
Fig. 4 differentiates professional flow chart according to the safety of the method for short message Signaling System Number 7 forwarding of the present invention;
Fig. 5 is the flow chart according to the number portability service of the method for short message Signaling System Number 7 forwarding of the present invention.
Embodiment
Below in conjunction with drawings and Examples technical scheme of the present invention is described in detail.
Fig. 1 is the schematic diagram of the short message Signaling System Number 7 router of the embodiment of the invention, and as shown in the figure, the short message Signaling System Number 7 router of present embodiment comprises: the signaling processing module and the business application module of mutual communication, wherein:
Described signaling processing module is used to receive the various short message signalings of transmitting from the signaling network side, and described short message signaling is decoded, and extracts parameter relevant with the short message service application in these short message signalings and sends to business application module; Also be used for the processing result information according to business application module output, the corresponding short message signaling of encoding sends to the corresponding network element of signaling network side.
Described business application module, after being used to receive the parameter that signaling processing module sends, this parameter is analyzed, handle according to the short message service application that the user pre-sets, such as the verification of signaling parameter, delete, revise, increase, storage etc., perhaps trigger new short message signaling, then to signaling processing module output processing result information.
The present invention is suitable for the signaling relevant with short message service in the Signaling System Number 7, specifically is meant short message original calling (MO) signaling, SMS terminal call (MT) signaling, triggering route (SRI) signaling, short message notification (Alert) signaling, delivers these signalings such as result's report (RDS), informing message center (InformSC) signaling.
Like this, the short message Signaling System Number 7 router of present embodiment has been abandoned the limitation of traditional STP transmitting signaling, can be open interconnected with other network elements, can analyze and revise the parameter of short message Signaling System Number 7, can also the new short message signaling flow process of independent initiation come flexible adaptation various service applications scene, can carry out the minimizing operating cost for the business of operator, for operation management provides a lot of convenience.
The short message Signaling System Number 7 router of present embodiment can be used for carrying out direct-connected with previously described each service application network element relevant with the short message Signaling System Number 7 or collimation connects, various like this short message signalings will pass through the short message Signaling System Number 7 router of present embodiment earlier, send to each service application network element again, can realize functions such as safe discriminating, signaling are intercepted, rubbish signaling catching.
Because the short message Signaling System Number 7 can send to earlier on the short message Signaling System Number 7 router of present embodiment, short message Signaling System Number 7 router by present embodiment sends to each network element again, and the short message Signaling System Number 7 router of present embodiment can be separated the content of reading whole signaling message body fully, so this moment, the short message Signaling System Number 7 router of present embodiment can identify the signaling kind, the originating address of signaling and destination address, according to these information, the short message Signaling System Number 7 router of present embodiment just can be controlled the quantity of certain signaling that mails to certain network element in a period of time, and then the control signaling traffic.
In addition, the short message Signaling System Number 7 router of present embodiment can also carry out multi-stage cascade, be that short message Signaling System Number 7 router can be forwarded to corresponding business application network element by another short message Signaling System Number 7 router with the signaling of output, equally also can receive the order of sending by upper level short message Signaling System Number 7 router.The short message signaling that sends between the short message Signaling System Number 7 router of cascade can also carry out the expansion of signaling parameter, for realizing service application complicated and changeable such as number the carries networking model flexibly of providing convenience.
Describe the preferred embodiment of a kind of short message Signaling System Number 7 router of the present invention below in detail, the short message Signaling System Number 7 router of this preferred embodiment comprises: the signaling processing module of communication and business application module mutually.Below signaling processing module and business application module are described in detail.
A, signaling processing module
Described signaling processing module can link to each other with the short message No. 7 signaling network, can directly receive from each network element of No. 7 signaling network side (such as, mobile switching centre (MSC), attaching position register (HLR) and short message service center (SMSC) etc.) the various short message Signaling System Number 7s that send, and send to business application module and handle using relevant parameter with short message service in these short message Signaling System Number 7s; Can send various short message signalings to each network element of No. 7 signaling network side according to the indication of business application module again.
Signaling processing module mainly according to each consensus standard to the short message Signaling System Number 7 receive, the signaling encoding and decoding, professional parameters needed is sent to business application module by internal interface, and, send various short message Signaling System Number 7s to each network element of No. 7 signaling network side according to the indication of business application module.
Particularly, because signaling processing module directly receives or sends the Signaling System Number 7 of standard (such as the short message original calling signaling, the SMS terminal call signaling, short message route requests signaling, signalings such as short message notification signaling), so need be according to each standard of Signaling System Number 7, realize the Signaling System Number 7 interface between signaling processing module and each network element of signaling network side, and can successfully finish the encoding and decoding of signaling code stream, correctly from code stream, extract needed each parameter when promptly receiving signaling, or correctly each signaling parameter is filled in into code stream the inside signaling is sent.
In the protocol family of Signaling System Number 7, a lot of agreements all can be considered extensibility when definition data structure, be extendible form with data structure definition.If use these spreading parameters, but need the initiator of signaling and recipient all to support to describe the consensus standard targetedly how expansion defines.And the designed short message Signaling System Number 7 router cascade mutually of present embodiment, therefore, the signaling that between the short message Signaling System Number 7 router of cascade, sends and receive, but can freely define and use the extended field of standard signaling the inside, this provides means very easily for changeable service application.
B, business application module
Business application module is the background module of signaling processing module, can be according to different service application, parameter in the various short message signalings is analyzed and handled, can realize such as signaling parameter verification, delete, revise, increase and function such as storage, can also initiatively trigger new short message signaling flow process.
Particularly:
The short message Signaling System Number 7 router of present embodiment carry out direct-connected owing to can be used for using relevant network element with each and short message Signaling System Number 7, so sending to the signaling of these network elements at first can be through the short message Signaling System Number 7 router of present embodiment, at this moment, business application module can be earlier to the parameter of these signalings check, operation such as safety is differentiated, intercepted, can prevent signaling deception like this, carry out the interception of wrong signaling or rubbish signaling, and then will filter later signaling and send to the purpose network element.
Above once mentioned, the origin of a short message of protocol hierarchy structures shape of signaling has different signs with destination address on different protocol layers, such as, the calling and called Subscriber Number of the origin address of the source GT of the Original Signaling Point sign indicating number of MTP layer and destination signaling point sign indicating number, SCCP layer and purpose GT, MAP layer and destination address, service application layer etc.Except these address informations, the short message signaling the inside also has a lot of other parameters relevant with service application, such as priority, content of short message or the like.Under changeable service application, usually need to revise these address contents or other parameters to make things convenient for service application, at this moment traditional STP just can't be competent at.The short message Signaling System Number 7 router of present embodiment can be decoded the signaling code stream on each protocol hierarchy, so can carry out the operation of various parameter modifications, deletion, increase in principle or trigger new short message signaling flow process, and then the parameter coding after will changing via signaling processing module is that standard signaling code stream sends.
Short message Signaling System Number 7 router according to the present invention is described below carries out the method that short message signaling is transmitted, as shown in Figure 2, comprise following step:
11, behind first short message signaling that short message Signaling System Number 7 router reception signaling network side is sent, described first short message signaling is decoded;
12, extract and the relevant parameter of short message service application, the parameter that extracts is analyzed;
Relevant parameter is used in this short message service, for example for calling and called Subscriber Number, the SMS service center address of the origin address of the source GT of SCCP layer and purpose GT, MAP layer and destination address, service application layer, exhale MSC address or the like eventually, is not limited thereto.
13, the corresponding short message service that sets in advance according to the user based on analysis result is used and is handled, based on result second short message signaling of encoding;
14, described second short message signaling is sent to corresponding network element.
Like this, the short message Signaling System Number 7 router of present embodiment can be handled the realization of favourable multiple value-added service to using relevant parameter with short message service in the short message signaling to using according to corresponding short message service.
Particularly,, to step 13, can use according to the corresponding short message service that the user sets in advance and revise described parameter, in step 12 then based on amended parameter coding second short message signaling; Can also analyze the parameter relevant that extracts with the short message service application, satisfy predetermined condition if analyze described parameter, then according to the corresponding signaling process of short message service applications trigger, according to the signaling process that the is triggered corresponding short message signaling of encoding, send to corresponding network element then.Particularly, can check the legitimacy of the parameter of being extracted, if legal,, according to the signaling process that the is triggered corresponding short message signaling of encoding, send to corresponding network element then then according to the corresponding signaling process of short message service applications trigger.
For example, can extract the GT address, source of exhaling the signaling the inside, according to the user set in advance whether legal to work the network element of exhaling the network element address analysis to rise to exhale legal, if legal, then the service application of exhaling network element to differentiate that rises that sets in advance according to the user is transmitted to short message service center with call message; If illegal, then directly call message abandoned, and send a short message signaling to the user and alarm.
For example, can extract the SMS service center address of route requests signaling the inside, whether legal according to the legal SMS service center address analysis short message service center that the user sets in advance, if it is legal, the service application of then exhaling the end that sets in advance according to the user network element to differentiate is got route to HLR, and response results is issued legal short message service center; If illegal, then directly will get route messages and abandon, and send a short message signaling to the user and alarm;
For example, can extract and exhale the MSC address end of exhaling eventually the signaling the inside, each that sets in advance according to the user exhales the version support situation of MSC to analyze to exhale this end MSC to support the MAP version which kind of is specific eventually, so that exhale message to the end that these MSC send particular versions;
For example, exhale the MSC address end that can extract route response signaling the inside, exhales the MSC address to replace to the address of short message Signaling System Number 7 router oneself so that exhale signaling to issue short message Signaling System Number 7 router eventually eventually this;
For example, can extract the GT address, source of exhaling the signaling the inside eventually, according to exhaling the whole network element of exhaling of network element address analysis whether legal the legal end that the user sets in advance, if it is legal, then exhale the end that sets in advance according to the user network element discriminating service application to exhale end forwards to give MSC, perhaps the signaling control flow threshold that mails to each MSC that sets in advance according to the user carries out signaling traffic control or the like; If illegal, do not carry out exhaling end, directly message is abandoned, and send short message signaling alarm to the user.
Certainly, the invention is not restricted to address hereinafter for example or use example, the present invention is applicable to that all related services that relate to the short message Signaling System Number 7 use.The method of transmitting according to short message signaling provided by the invention at signaling link layer or network layer transmitting signaling merely, and can be initiated new signaling process to adapt to changeable service application unlike STP.
Introduce the application example of several methods of transmitting according to short message signaling of the present invention below.
Fig. 3 is according to the SMS terminal call schematic flow sheet of the method for short message signaling forwarding of the present invention, as shown in Figure 3, comprises following step:
210, the upper level short message Signaling System Number 7 router-A of SMSC or cascade sends the route requests signaling of standard to short message Signaling System Number 7 router B;
220, after short message Signaling System Number 7 router B receives the route requests signaling, this route requests signaling is decoded, trigger new route requests flow process and obtain to the next stage short message Signaling System Number 7 router C of HLR or cascade and exhale the MSC address eventually.
Particularly, short message Signaling System Number 7 router B can obtain called number, inquiry called subscriber and whether belongs to Home Network and check that calling address is legal etc. from this route requests signaling.The called subscriber belongs to Home Network and calling address is legal when short message Signaling System Number 7 router B inquires about, then the destination address in the route requests signaling is revised as the address of the next stage short message Signaling System Number 7 router C of HLR or cascade, initiatively initiate a route requests flow process then to HLR, this flow process is different from the route requests of being initiated by SMSC or router-A, so be a new message flow.
230, the route requests in the short message Signaling System Number 7 router B response of step 210 is filled into oneself address to serve as in the response message eventually and exhales the MSC address, sends back to SMSC or short message Signaling System Number 7 router-A.
240, SMSC or short message Signaling System Number 7 router-A send the final call request signaling of standard to short message Signaling System Number 7 router B;
250, after short message Signaling System Number 7 router B receives the final call request signaling, take out before to get access to and preserve and exhale the MSC address end of getting off, exhale MSC address to initiate the final call request signaling of the new standard that triggers to the next stage short message Signaling System Number 7 router C of MSC or cascade as purpose GT eventually with this from HLR.
Certainly No. seven router B of short message can also revise other service parameters of final call request signaling the inside to realize different service application, such as revising content of short message, sending more short messages (MoreMessage to Send) flag bit etc.
260, short message Signaling System Number 7 router B exhales response signaling to the end that SMSC or short message Signaling System Number 7 router-A return standard.
Therefore, should can be by the new operation flow of independent triggers to adapt to different business demands with the short message router system of example.
Fig. 4 differentiates professional flow chart according to the safety of the method for short message signaling forwarding of the present invention, as shown in Figure 4, when being placed on short message Signaling System Number 7 router provided by the invention between SMSC and the HLR, SMSC sends to all route request information of HLR will at first pass through short message Signaling System Number 7 router, at this moment short message Signaling System Number 7 router just can be used as the network element that a signaling security is differentiated, tackles the signaling that illegal SMSC sends.May further comprise the steps:
310, short message Signaling System Number 7 router receives the route requests signaling that SMSC sends, this route requests signaling is decoded, extract this signaling SCCP layer routing address and with the SRI message of MAP layer, use parameters such as relevant called number, message priority, SMSC address as short message service.
Particularly, the signaling processing module in the short message Signaling System Number 7 router carries out the decoding of signaling code stream after receiving the route requests signaling of SMSC transmission; Signaling processing module is with source GT, the purpose GT of the SCCP layer of this signaling, and the SRI message of MAP layer sends to business application module by internal interface.
320, whether the service parameter that short message Signaling System Number 7 router analysis and judgement is extracted is legal;
Particularly, business application module is according to pre-configured legal source GT table, legal SMSC address table, and whether the SMSC address in the source GT of the SCCP layer that the inspection signaling processing module is sent up, the route request information of MAP layer is legal.If judge all be legal, then enter 340, otherwise enter 330.
330, short message Signaling System Number 7 router finds that the address is illegal, then returns error messages and gives SMSC, directly finishes the flow process of route requests.
Like this, SMSC can't arrive HLR and obtain the address of exhaling MSC eventually, exhales illegal end signaling just can't issue.
340, short message Signaling System Number 7 router triggers the once new flow process of obtaining route to HLR, obtains and exhales the MSC address end; And then the route requests flow process of response front SMSC, will have the route response message of exhaling eventually the MSC address and send to SMSC after encoded.
On above-mentioned whole flow process, in fact short message Signaling System Number 7 router has played the part of the role of a virtual HLR, can be used to carry out signaling security and differentiate that real HLR then is protected.Certainly, except the function that signaling security is differentiated, function that the short message Signaling System Number 7 router here can also play that signaling traffic control, intercepting rubbish short message, short message are intercepted etc. because principle is similar, is just given unnecessary details here no longer one by one.
Fig. 5 is the flow chart according to the number portability service of the method for short message signaling forwarding of the present invention.Suppose that called number is carried to the B operator of G net from the A operator of G net, belonged to up till now from the SMSC-A of the short message service center SMS terminal call of A operator B operator user mobile phone flow process as shown in Figure 5, comprise following step:
410, SMSC-A initiates the route requests flow process;
The route requests signaling at first sends to short message Signaling System Number 7 router-A, and short message Signaling System Number 7 router-A is initiated new route requests immediately to short message Signaling System Number 7 router B1;
After short message Signaling System Number 7 router B1 checks through some this signaling, initiate the HLR-B that new route requests is served the called subscriber under the B operator once more;
Subsequently, HLR-B returns the MSC-B address of exhaling eventually and gives short message Signaling System Number 7 router B1;
Short message Signaling System Number 7 router B1 handles response message, sends to have eventually to exhale the route requests of MSC-B address to respond to short message Signaling System Number 7 router-A again.
Equally, short message Signaling System Number 7 router-A is handled response message, and the route requests that sends the GT address (this address should be filled out in the MSC address parameter of the SRI of MAP layer response message) that has oneself again responds to SMSC-A.
So far, through a series of nested flow process, the route requests flow process of being initiated by SMSC-A just formally finishes at first.
420, the route response that SMSC-A sends according to short message Signaling System Number 7 router-A can obtain exhaling an end address.
Exhaling the address the end here is the address of short message Signaling System Number 7 router-A in fact, like this, when SMSC-A initiates to exhale signaling eventually, will be exhaled this end signalling route to short message Signaling System Number 7 router-A.
After the final call request signaling sends to short message Signaling System Number 7 router-A, be similar to the tupe of step 1 li by the request flow process, will initiate to exhale a series of nested end flow process (" SMSC-A " arrive " short message Signaling System Number 7 router-A " arrive " short message Signaling System Number 7 router B2 " again arrive " MSC-B " again) again, until sending to MSC-B, promptly serve called subscriber's real MSC.
Wherein, when short message Signaling System Number 7 router-A sends the final call request signaling to short message Signaling System Number 7 router B2, use the extended field of the final call request signaling structure of MAP layer.Extended field does not have concrete Field Definition explanation in standard agreement, just defined general code/decode format, can define by user oneself fully, or with reference to relevant application protocol targetedly.In this embodiment, exhale the MSC address to fill out real end and in extended field, bring short message Signaling System Number 7 router B2.
Because short message Signaling System Number 7 router can be realized multi-stage cascade, this is just for using extended field that good condition is provided, promptly can between short message Signaling System Number 7 router, use extended field, and do not use extended field between short message Signaling System Number 7 router and other network elements, just passable as long as observe the agreement of a refinement spreading parameter between the short message Signaling System Number 7 router like this, and needn't require other network elements also to observe this particular protocol.The embodiment of Fig. 5 has just illustrated a kind of situation that needs to use the spreading parameter field, the use of extended field need cooperate the agreement of observing special this field of refinement, cascade system can be so that use extended field to be limited between the router, and other network elements can be observed new agreement like this.Operator need use extended field to realize that new the change when professional gets final product on short message Signaling System Number 7 router, and does not need to change all network elements of network the inside.
430, MSC-B will exhale signaling to send on called subscriber's the mobile phone by air interface eventually, returning then eventually exhales success response to give short message Signaling System Number 7 router B2, equally, response message is also followed those a series of nested flow processs of opening previously, finally receive eventually and exhale response, exhale flow process thereby finish whole end by SMSC-A.
Use on the whole flow process of example from this; in fact short message Signaling System Number 7 router-A has played the part of the role of a virtual SMSC; in fact short message Signaling System Number 7 router B1 has played the part of the role of a virtual HLR; in fact short message Signaling System Number 7 router B2 has played the part of the role of a virtual MSC; so on the one hand with real SMSC; HLR; MSC has protected; utilize the extended field of signaling to realize that easily number carries the SMS terminal call flow process under the situation on the one hand; if and do not utilize short message Signaling System Number 7 router to realize, will inevitably change the implementation of the signaling process of real SMSC.The short message service center's equipment in operator's existing network environment of considering may be purchased from different equipment vendors, if these short message service centers all essential factor be the implementation that a service application changes signaling process, cost can be very big.
In sum, the invention provides a kind of short message Signaling System Number 7 route system, in order to the limitation at signaling forward mode in the prior art, the value-added service that solves operator is difficult to the problem of application smoothly.The independence of this system, flexibility, fail safe, usability are very strong, can reduce the business of operator greatly and carry out difficulty and operation management cost.
Claims (9)
1. the method transmitted of a short message signaling comprises:
Behind first short message signaling that reception signaling network side is sent, described first short message signaling is decoded, extract the parameter relevant with the short message service application;
The parameter that extracts is analyzed, handled according to the corresponding short message service application that the user sets in advance based on analysis result;
Based on result second short message signaling of encoding, then described second short message signaling is sent to corresponding network element.
2. the method for claim 1 is characterized in that: the described corresponding short message service that sets in advance according to the user based on analysis result is used and is handled, and is specially based on result second short message signaling of encoding:
Use the described parameter of modification based on the corresponding short message service that analysis result sets in advance according to the user;
Based on amended parameter coding second short message signaling.
3. the method for claim 1 is characterized in that: the described corresponding short message service that sets in advance according to the user based on analysis result is used and is handled, and is specially based on result second short message signaling of encoding:
Satisfy predetermined condition if analyze the parameter of being extracted, then the corresponding signaling process of short message service applications trigger that sets in advance according to the user;
Based on the signaling process that is triggered second short message signaling of encoding.
4. method as claimed in claim 3 is characterized in that: the parameter that described analysis is extracted satisfies predetermined condition and is specially:
Check the legitimacy of the parameter extracted, if legal, the corresponding signaling process of short message service applications trigger that sets in advance according to the user then.
5. a short message Signaling System Number 7 router is characterized in that, comprising:
Signaling processing module, be used to receive first short message signaling that the signaling network side sends after, described first short message signaling is decoded, extract and use relevant parameter with short message service and send to business application module; After being used to receive the processing result information of business application module output,, then described second short message signaling is sent to corresponding network element according to described processing result information second short message signaling of encoding;
Business application module, be used to receive the parameter that signaling processing module sends after, this parameter is analyzed, the corresponding short message service that sets in advance according to the user is used and is handled, and processing result information is exported to described signaling processing module.
6. short message Signaling System Number 7 router as claimed in claim 5 is characterized in that,
Described business application module specifically is used for using the described parameter of modification according to the corresponding short message service that the user sets in advance, and amended parameter is exported to described signaling processing module;
Described signaling processing module specifically is used for then described second short message signaling being sent to corresponding network element based on amended parameter coding second short message signaling.
7. short message Signaling System Number 7 router as claimed in claim 5 is characterized in that,
Described business application module specifically is used for satisfying predetermined condition if analyze the parameter of being extracted, and then the corresponding signaling process of short message service applications trigger that sets in advance according to the user sends to described signaling processing module with the signaling process information that is triggered;
Described signaling processing module also is used for then described second short message signaling being sent to corresponding network element according to the described signaling process information that receives described second short message signaling of encoding.
8. short message Signaling System Number 7 router as claimed in claim 7 is characterized in that,
Described business application module specifically is used to check the legitimacy of the parameter of being extracted, if legal, and the corresponding signaling process of short message service applications trigger that sets in advance according to the user then.
9. as each described short message Signaling System Number 7 router of claim 6-8, it is characterized in that,
Corresponding network element is another short message Signaling System Number 7 router.
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| CN201010141340A CN101848435A (en) | 2010-03-25 | 2010-03-25 | Short message signaling-forwarding method and short message signaling system No. 7 router |
| PCT/CN2010/076925 WO2011116592A1 (en) | 2010-03-25 | 2010-09-15 | Method for forwarding short message signaling and short message signaling system number 7 router |
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