CN102655613A - Service triggering method and device - Google Patents
Service triggering method and device Download PDFInfo
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- CN102655613A CN102655613A CN2011100500371A CN201110050037A CN102655613A CN 102655613 A CN102655613 A CN 102655613A CN 2011100500371 A CN2011100500371 A CN 2011100500371A CN 201110050037 A CN201110050037 A CN 201110050037A CN 102655613 A CN102655613 A CN 102655613A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W76/00—Connection management
- H04W76/10—Connection setup
- H04W76/12—Setup of transport tunnels
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
- H04L65/10—Architectures or entities
- H04L65/1016—IP multimedia subsystem [IMS]
Abstract
The invention discloses service triggering method and device. The method comprises the following steps that: a service call session control function (S-CSCF) receives a request message and acquires user service information corresponding to the request message; the S-CSCF triggers one or more application servers (AS) and/or triggers one or more service control points (SCP) to execute service corresponding to service information through an IP multimedia service switching function (IM-SSF) according to trigger rules in service information. According to the invention, the problem of related prior art that a plurality of SCPs can not be triggered in once call so as to cause incapability of completing a plurality of services can be solved, and the user experience can be improved.
Description
Technical field
The present invention relates to the communications field, in particular to a kind of service trigger method and device.
Background technology
In conventional telecommunication network, comprise public switched telephone network (Public Switched Telephone Network abbreviates PSTN as); Public Land Mobile Network (Public Land Mobile Network abbreviates PLMN as) uses with service control point (Service Control Point; Abbreviate SCP as) be the common service platform of core, for the user realizes value-added telecom services, for example; The caller pre-payment, centralized fee payment by call receiving party, business such as Virtual Private Network.Wherein, SCP is responsible for the practical implementation of intelligent service logic, is the core of IN service system, and it carries out alternately through No.7 signaling network and Service Switching Point (Service SwitchingPoint abbreviates SSP as), and indication SSP carries out call proceeding; SSP is responsible for monitoring and triggers intelligent call, sends solicited message to SCP, and continues according to the instruction that receives from SCP.
The IN service system of conventional telecommunication network exists caller or called subscriber in call, can only trigger the problem of a SCP; This makes in conventional telecommunication network caller or calledly can't accomplish a plurality of value-added services, for the development of value-added service has caused certain restriction.
Summary of the invention
Main purpose of the present invention is to provide service trigger method and device, to address the above problem at least.
According to an aspect of the present invention, a kind of service trigger method is provided, has comprised: service call conversation control function S-CSCF receives request message, obtains the corresponding user's of described request message business information; Said S-CSCF is according to the triggering rule in the said business information, triggers one or more application server AS and/or triggers one or more service controller SCP via IP Multimedia Service Switching Function IM-SSF and carry out said business information corresponding service.
According to another aspect of the present invention, a kind of service trigger device is provided also, has been arranged in service call conversation control function S-CSCF, having comprised: receiver module is used to receive request message; Acquisition module is used to obtain the corresponding user's of described request message business information; Trigger module is used for the triggering rule according to said business information, triggers one or more application server AS and/or triggers one or more service controller SCP via IP Multimedia Service Switching Function IM-SSF and carry out said business information corresponding service.
Through the present invention, solved the problem that can't accomplish a plurality of business that in call, can't trigger a plurality of SCP in the correlation technique and cause, improved user experience.
Description of drawings
Accompanying drawing described herein is used to provide further understanding of the present invention, constitutes the application's a part, and illustrative examples of the present invention and explanation thereof are used to explain the present invention, do not constitute improper qualification of the present invention.In the accompanying drawings:
Fig. 1 is the flow chart according to the service trigger method of the embodiment of the invention;
Fig. 2 is the structured flowchart according to the service trigger device of the embodiment of the invention;
Fig. 3 is a system architecture sketch map according to the preferred embodiment of the invention;
Fig. 4 is the process chart of business setting according to the preferred embodiment of the invention;
Fig. 5 is grappling according to the preferred embodiment of the invention and service trigger flow chart;
Fig. 6 is according to the preferred embodiment of the invention at the process chart of the professional SCP of signatory 2 Calling Sides of traditional circuit user;
Fig. 7 is according to the preferred embodiment of the invention at the process chart of the traditional circuit user professional SCP of signatory 1 callee side and 1 callee side IMS territory AS.
Embodiment
Hereinafter will and combine embodiment to specify the present invention with reference to accompanying drawing.Need to prove that under the situation of not conflicting, embodiment and the characteristic among the embodiment among the application can make up each other.
Introduced IP multimedia subsystem, IMS (IP Multimedia Subsystem abbreviates IMS as) in the 3GPP R5 stage, in IMS, having proposed is the professional mutual operation network on basis with the triggering rule, and allowing a plurality of application servers is that a user provides business simultaneously.Because it can be that the traditional circuit domain user uses that the IMS business compared with the horn of plenty more of the business in the conventional telecommunication network, has proposed to make the business in the IMS network in the present embodiment.Is this has wherein related to two problems: how (1) traditional circuit domain user calling routed among the IMS? Is (2) how the business in the SCP of traditional circuit domain business and the IMS network traditional circuit domain user service jointly? For (1) individual problem; In 3GPP TS 23.292, proposed a kind of solution of grappling, can the calling of traditional circuit domain be routed in the IMS territory.For (2) individual problem,, therefore, in correlation technique, do not have solution for (2) individual problem owing in the correlation technique, do not propose the business that the traditional circuit domain user can use IMS.In following examples, proposed conventional telecommunication network and be to realize the professional fusion with the IMS business of traditional intelligence in the next generation network of core with the IP Multimedia System.
In the present embodiment, a kind of service trigger method is provided, Fig. 1 is the flow chart according to the service trigger method of the embodiment of the invention, and is as shown in Figure 1, and this flow process comprises the steps:
Step S102, service call conversation control function (Serving-CSCF abbreviates S-CSCF as) receives request message, and obtains the pairing user's of this request message business information.User's in this step business information can be professional for the professional perhaps called subscriber of calling subscriber, can certainly be that the calling subscriber is professional and the called subscriber is professional.
Step S104; S-CSCF is according to the triggering rule in the business information; Trigger one or more application servers (Application Server; Abbreviate AS as) and/or trigger one or more SCP via IP Multimedia Service Switching Function (IP Multimedia ServiceSwitching Function abbreviates IM-SSF as) and carry out above-mentioned business information corresponding service.
Through above-mentioned steps, SCP and the IM-SSF among the IMS in the traditional circuit domain network are combined, efficiently solve caller or the called defective that can't trigger a plurality of SCP in the conventional telecommunication network.In addition; Through above-mentioned steps, when allowing the conventional telecommunication network user using traditional SCP professional, the business that can also use the IMS application server to provide; Enriched user's business experience, for the conventional telecommunications business provides a kind of approach to the IMS business migration.
Preferably; When implementing; The service trigger order can be set in triggering rule, and S-CSCF can trigger one or more AS and/or trigger one or more SCP execution via said IM-SSF professional according to the service trigger ordinal relation in the said triggering rule successively.Can allow flexible configuration user's professional execution sequence through this mode, thereby further improve business experience.
S-CSCF can obtain user's business information in several ways, and no matter which kind of obtain manner all can reach identical effect, and promptly different obtain manners does not influence the enforcement of present embodiment, below describes by way of example.For example, S-CSCF can obtain business information on home subscriber server (Home Subscribe Server abbreviates HSS as).The mode of obtaining business information from HSS is less to the change of existing IMS network element, realizes than being easier to.More preferably; If in system, be useful on commercial operation back-up system (the Business andOperation Support System of the business information that managing user information and user contract; Abbreviate BOSS as) time; At S-CSCF before obtaining business information on the HSS, the business information that can on HSS, be provided with by commercial operation back-up system BOSS.
As above-mentioned, professional type can be divided into calling service and called service, when implementing; Can be by MGCF (Media Gateway Control Function abbreviates MGCF as) via (for example inquiring CSCF (Interrogating-CSCF abbreviates I-CSCF as) to S-CSCF indicating services type; Send a request message; This request message can carry indication information, is used for the type of indicating services), S-CSCF just can distinguish like this.For example; MGCF via I-CSCF before S-CSCF sends a request message; The call request that mobile switching centre's (Mobile SwitchingCenter abbreviates MSC as) receives is sent service trigger request to grappling SCP; Grappling SCP instruct MS C is routed to MGCF with call request, and this call request also is used for the type of indicating services.
Preferably, when implementing, can after S-CSCF confirms that business is finished, handle, for example, when the called subscriber who confirms the calling that request message is corresponding is the traditional circuit domain user, can send a request message to MGCF according to called subscriber's type; MGCF sends call request according to the request message that receives to GMSC GMSC.Afterwards, GMSC just can carry out the processing in the traditional circuit domain, repeats no more at this.
Certainly, for some was professional, the situation that the secondary grappling might occur occurred, and a kind of more excellent processing method is provided in the present embodiment in the present embodiment.
Can send the request message that carries indication information to MGCF by S-CSCF, this indication information is used to suppress the secondary grappling, and MGCF sends the call request that carries this indication information to GMSC; If GMSC is known the corresponding user of this call request business of having contracted; SCP has sent business request information to grappling; Need in this business request information, carry above-mentioned indication information so, like this, grappling SCP receives after the business request information that carries this indication information; Do not carry out the grappling operation, and indication GMSC sends to corresponding MSC with this call request.
Preferably; Can realize through the mode that is redirected AS: S-CSCF to redirected AS initial request messages, is redirected AS above-mentioned indication information is set in this request message after the business of executing; And send to S-CSCF; S-CSCF is according to this indication information, stop to trigger, and the request message that will carry this indication information sends to MGCF.The mode of indication information can have multiple, for example, can be the prefix of calling number in call request and/or called number increase.
A kind of service trigger device also is provided in the present embodiment; Be arranged in S-CSCF; Realized the function of the S-CSCF in the foregoing description and the preferred implementation thereof, carried out repeating no more at this of explanation, the module that relates in the face of this device down describes.Fig. 2 is the structured flowchart according to the service trigger device of the embodiment of the invention, and is as shown in Figure 2, and this structure comprises: receiver module 22, acquisition module 24 and trigger module 26 describe in the face of this structure down.
Receiver module 22 is used to receive request message; Acquisition module 24 is connected to receiver module 22, and this module is used to obtain the corresponding user's of described request message business information; Trigger module 26 is connected to acquisition module 24; This module is used for the triggering rule according to said business information, triggers one or more application server AS and/or triggers one or more service controller SCP via IP Multimedia Service Switching Function IM-SSF and carry out said business information corresponding service.
Pass through the foregoing description; Solved the problem that the traditional circuit domain unique user can't trigger a plurality of SCP; And the application server in the IP Multimedia System and SCP for the traditional circuit domain business provides a solution to IMS evolution, make the traditional circuit domain user can not only enjoy the business that traditional SCP provides simultaneously for the user provides professional problem; Also can enjoy the new business that the IMS territory provides, effectively strengthen legacy user's business experience.
Below with traditional global system for mobile communications (Global System for Mobile Communications; Abbreviating GSM as) network is that example describes a preferred embodiment; In this preferred embodiment, through grappling SCP is set at traditional circuit domain, the calling of circuit domain is routed to IMS, through signatory a plurality of SCP or AS business information on HSS and trigger sequence relation; Repeatedly trigger IM-SSF by S-CSCF control; Trigger real professional SCP by IM-SSF again, thereby realize that unique user triggers the purpose of a plurality of professional SCP, and the application server in the IMS territory and traditional SCP provide the purpose of service simultaneously for same user.
Fig. 3 is a system architecture sketch map according to the preferred embodiment of the invention, and as shown in Figure 3, this system comprises:
BOSS301, this network element are in charge of user profile and service profile in IMS territory and the traditional circuit domain, through Simple Object Access Protocol (Simple Object Access Protocol; Abbreviate SOAP as) or man-machine language mode and SCP such as (Man-MachineLanguage abbreviate MML as), AS; Attaching position register (Home Location Register; Abbreviate HLR as), network elements such as HSS are mutual, realize the maintenance of user profile.In the present embodiment, the effect of this network element comprises: the information that grappling SCP is set in HLR; In professional SCP, user service information is set; The trigger sequence relation of SCP and AS is set in HSS; In IMS AS, user service information is set.
Grappling SCP302, this network element is carried out the service logic of SCP, is responsible for the calling of traditional circuit domain is redirected in the IMS territory; Before carrying out redirect operation; Need to analyze this user and whether carried out redirect operation,, then no longer carry out if carried out redirect operation.In the present embodiment, grappling SCP can be used as autonomous device as the particular functionality entity, also can close with other SCP and establish.
Professional SCP303, this network element is responsible for the traditional circuit domain user IN service is provided, and does not have specific (special) requirements in the present embodiment.
HLR304 is responsible for mobile subscriber's management, and the storage user's that administers subscription data and mobile subscriber's positional information provide functions such as routing iinformation for calling.In the present embodiment, there is not specific (special) requirements for this network element.
MSC305 is responsible for accomplishing call treatment and exchange control, realizes mobile subscriber's functions such as paging access, channel allocation, call proceeding, telephone traffic control, charging and BTS management.This network element can also have the SSP function, sends the IN service request according to the signatory of caller and called users to SCP, and the interactive operation of execution and service logic.In the present embodiment, MSC has the SSF function.
MGCF306, this network element are responsible for realizing the intercommunication in traditional circuit domain and IMS territory, comprise agreement mapping and conversion between traditional circuit domain and the IMS networking; The control WMG is accomplished the conversion of traditional circuit domain and IMS network users medium face etc.; In the present embodiment, this network element makes a call as different role in the IMS territory according to Redirect Number information; When the purpose that is redirected is in order to carry out the Calling Side business; Then MGCF carries the calling service sign in the calling of initiating, and when the purpose that is redirected is in order to carry out the callee side business, then MGCF does not carry the calling service sign in the calling of initiating.
I-CSCF307, this network element are responsible for IMS user and distribute S-CSCF, carry out Route Selection, and the network topology hidden function is provided, and in the present embodiment, this network element does not have specific (special) requirements.
S-CSCF308, this network element are that UE provides session control, registration service, and call authorization authentication, and service trigger function in the present embodiment, do not have specific (special) requirements to this network element.
The AS309 that IMS is professional, this network element is that traditional circuit domain user and IMS user provide business function, in the present embodiment, this network element is not had specific (special) requirements.
The redirected AS310 of IMS is a special net element in the present embodiment, and this network element is the function that traditional circuit domain user's request provides the IMS territory, through before called number, increasing operations such as prefix the call request among the IMS is redirected in the passback system circuit domain.This network element can independently be provided with, and also can be integrated among the professional AS of other IMS;
IM-SSF311, this network element provide the function that the call request triggers in IMS territory is arrived traditional SCP as a kind of special AS, in the present embodiment, this network element are not had specific (special) requirements.
HSS312, this network element mainly provides user and Service Data Management, in the present embodiment, this network element is not had specific (special) requirements.
Divide three phases that this preferred embodiment is described below: service fulfillment setting, grappling and service trigger, grappling inhibition and call page.
Stage one: service fulfillment setting
The user can carry out following operation: BOSS and send instruction to SCP and IMS AS when signatory a plurality of traditional SCP business or IMS territory business, business information is handed down to the application server in each SCP and IMS territory; BOSS sends instruction and gives HLR, and is on HLR that user's trigger message is related with grappling SCP; BOSS sends instruction and gives HSS, at the trigger sequence that is provided with on the HSS between a plurality of SCP business or the IMS AS.
Stage two: grappling and service trigger
When the traditional circuit domain terminal makes a call, can carry out following operation: when MSC received call request, it was professional to judge this user SCP that contracted, and according to CAMEL-Subscription-Information, sends service trigger request to grappling SCP; Grappling SCP analyzes caller and called users information, confirms that this service-user is to trigger first, carries out redirect operation, and call intent ground is set to the corresponding number of MGCF, sends service message to MSC; MSC converts call request to according to the message that SCP returns, and will call out through other MSC and be routed to MGCF; MGCF determines whether in the IMS territory call request of initiating, to carry the calling service sign according to the special identifier that receives the calling and called number in the call request, and the IMS call request is sent to I-CSCF; I-CSCF inquires about HSS, is retrieved as the S-CSCF that the user provides service, and the IMS call request is transmitted to S-CSCF; S-CSCF inquires about HSS, obtains user's Service Trigger Information, according to the order of setting in signatory call request triggers is arrived IM-SSF and IMS AS, realizes concrete service logic; S-CSCF routes the call to MGCF according to called number after accomplishing all service trigger.
Stage three: grappling inhibition and call page
This stage comprises the steps: that MGCF routes the call to traditional circuit domain MSC according to called number; It is professional that MSC carries out SCP according to called user information judgement needs, sends service request and give SCP; After SCP receives service request, analyze the calling and called number information,, judge the user and carried out the grappling operation, no longer carry out redirect operation, return service message and give MSC according to specific informations such as calling number prefixs; MSC sends to BSC according to called subscriber's log-on message with call request, by BSC calling is sent to portable terminal, accomplishes the call proceeding operation.
Preferably, the redirect operation of the grappling SCP in the above-mentioned three phases can have multiple mode to realize, is not limited to the mode that before called number, increases prefix, and its target is to realize the request in the traditional circuit domain is routed to MGCF; MGCF judges that the condition of carrying the calling sign also can have multiple; Be not limited to and adopt the prefix mode to judge; Can adopt special modes such as called number, its target is through analyzing calling and called information, confirming whether this calling carries the calling sign; The IMS application server can adopt multiple mode, suppresses the secondary grappling of SCP, is not limited to the mode that before calling number, increases prefix; The IMS application server can adopt multiple mode, routes the call to MGCF, is not limited to the mode that before called number, increases prefix; Grappling SCP can have multiple to the Rule of judgment that suppresses grappling, be not limited to according to the prefix of calling number and judge, its target is through analyzing calling and called information, confirming whether this grappling operation needs to suppress;
Describe by way of example below in conjunction with accompanying drawing.
Fig. 4 is the process chart of business setting according to the preferred embodiment of the invention, and this flow process that illustrates is the handling process of traditional circuit domain user at signatory 2 calling service SCP, and as shown in Figure 4, this flow process comprises the steps:
Step S401, BOSS sends service fulfillment and instructs to professional SCP1;
Step S402, the service profile of professional SCP1 recording user returns service fulfillment and responds to BOSS;
Step S403, BOSS sends service fulfillment and instructs to professional SCP2;
Step S404, the service profile of professional SCP2 recording user returns service fulfillment and responds to BOSS;
Step S405, the not signatory grappling SCP of BOSS judges sends service fulfillment and instructs to grappling SCP, if signatory grappling SCP is professional, then need send and open instruction;
Step S406, the service profile of the professional SCP recording user of grappling returns service fulfillment and responds to BOSS;
Step S407, BOSS sends service fulfillment and instructs to HLR, and wherein, the information that user's calling service triggers is grappling SCP;
Step S408, HLR record traffic user caller triggers, and the information of grappling SCP, returns service fulfillment and responds to BOSS;
Step S409, BOSS sends service fulfillment and instructs to HSS, has wherein comprised the service identification of SCP1 and SCP2, and the sequencing that triggers.
Step S410, HSS record traffic trigger message returns service fulfillment and responds to BOSS.
So far, 2 caller SCP are professional opens EO.
Fig. 5 is grappling according to the preferred embodiment of the invention and service trigger flow chart, and shown in Fig. 5 is the handling process of traditional circuit domain user at signatory 1 called service SCP and 1 professional AS of called IMS, and as shown in Figure 5, this flow process comprises the steps:
Step S501, BOSS sends service fulfillment and instructs to called service SCP3;
Step S502, the service profile of called service SCP3 recording user returns service fulfillment and responds to BOSS;
Step S503, the not signatory grappling SCP of BOSS judges sends service fulfillment and instructs to grappling SCP;
Step S504, the called trigger message of grappling SCP record traffic user returns service fulfillment and responds to BOSS;
Step S505, BOSS sends service fulfillment and instructs to HLR, and wherein, user signing contract information is called triggering, and corresponding SCP is the grappling SCP address;
Step S506, the called triggering of HLR recording user, and the information of grappling SCP are returned service fulfillment and are responded to BOSS;
Step S507, BOSS send service fulfillment and instruct to the professional AS of IMS;
Step S508, the professional AS recording user of IMS service profile returns service fulfillment and responds to BOSS;
Step S509, the signatory IMS AS that is redirected of BOSS judges sends service fulfillment and instructs to the redirected AS of redirected IMS;
Step S510, IMS is redirected the service profile of AS recording user, returns service fulfillment and responds to BOSS;
Step S511, BOSS sends service fulfillment and instructs to HSS, comprises the service identification of called SCP, and called SCP, and professional AS of IMS and IMS are redirected the sequencing that AS triggers, and wherein, IMS is redirected AS and is set to last triggering;
Step S512, HSS record traffic trigger message returns service fulfillment and responds to BOSS.
So far, the traditional circuit domain called service opens EO.
Fig. 6 is according to the preferred embodiment of the invention at the process chart of the professional SCP of signatory 2 Calling Sides of traditional circuit user; This figure is that example describes with the professional SCP of 2 Calling Sides that contracts the traditional circuit user; Wherein SCP adopts CAMEL Application Part, and calling subscriber A is the traditional circuit domain user, the professional SCP:SCPa-1 (VPMN of 2 Calling Sides of in traditional circuit domain, having contracted; Abbreviate VPMN as) and SCPa-2 (caller prepayment service), and the grappling SCP that is provided with automatically; Not signatory AS in the IMS territory.Grappling SCP adopts the mode of prefixing to route the call to the IMS territory, and prefix code is prefix1, and this prefix is simultaneously as calling service sign in the IMS territory.Called subscriber B is the traditional circuit domain user, and not signatory SCP is professional and IMS is professional.As shown in Figure 6, this flow process comprises the steps:
Step S601, caller MSCa receives the request that the party A-subscriber initiates, the service profile O_CSI according to the party A-subscriber carries out the Calling Side service trigger, sends service request IDP (Initial DP) and gives grappling SCPa, comprises the calling and called number information in the request;
Step S602, grappling SCPa carries out the grappling operation according to local service message, before called number, increases prefix prefix1, sends CONNECT message and gives MSCa;
Step S603, MSCa carries out route according to prefix, and the GMSC (GatewayMSC) that can arrive MGCF is sent in call request, by GMSC request is forwarded to MGCF;
Step S604, MGCF be according to called prefix prefix1, judges that to need to carry out IMS territory Calling Side professional, removes the prefix of called number, carries the sign orig of calling at the route head of INVITE request, and request is sent to I-CSCF;
Step S605, I-CSCF inquiry HSS distributes S-CSCF for calling subscriber A, and the INVITE request is transmitted to S-CSCF;
Step S606, S-CSCF inquiry HSS downloads the business datum of calling subscriber A, and according to the service trigger condition, the INVITE request is sent to IM-SSF;
After step S607, IM-SSF received the INVITE request, the service identification information according in the request converted CAP message id P to and sends to SCPa-1, wherein, comprises calling and called information;
Step S608, SCPa-1 carries out concrete service logic, sends CONNECT message after accomplishing and gives IM-SSF;
Step S609, IM-SSF becomes the INVITE request to send to S-CSCF the CONNECT message conversion;
Step S610, S-CSCF carries out the triggering of next professional SCP according to triggering rule, and the INVITE request is sent to IM-SSF once more;
After step S611, IM-SSF received the INVITE request, the service identification information according in the request converted CAP message id P to and sends to SCPa, wherein, comprises calling and called information;
Step S612, SCPa-2 carries out concrete service logic, sends CONITNUE message after accomplishing and gives IM-SSF;
Step S613, IM-SSF becomes the INVITE request to send to S-CSCF the CONTINUE message conversion;
Step S614, S-CSCF carry out route analysis after judging that triggering rule is finished, and judge that the called subscriber is the traditional C user, and request is sent to MGCF;
Step S615, MGCF carries out route analysis according to called number B, selects the GMSC that the called subscriber belonged to, and sends call request.
So far, the traditional circuit domain calling service is finished, and is follow-up by legacy network GMSC analyzing called number B, send call request and give corresponding MSC, and final paging is to party B-subscriber's terminal.
Fig. 7 is that wherein, calling subscriber A is the traditional circuit domain user according to the preferred embodiment of the invention at the process chart of the traditional circuit user professional SCP of signatory 1 callee side and 1 callee side IMS territory AS, and not signatory traditional SCP is professional and IMS is professional.Called subscriber B is the traditional circuit domain user; Through the business setting method that present embodiment proposes, the professional SCPb of 1 callee side of in traditional circuit domain, having contracted, 1 professional ASb of callee side IMS; And grappling SCP that is provided with automatically and the redirected AS of IMS; Professional execution sequence is set at SCPb, IMS ASb, and IMS is redirected AS.Grappling SCP adopts the mode of prefixing to route the call to the IMS territory, and prefix code is prefix2, and this prefix is simultaneously as called service sign in the IMS territory.IMS is redirected AS and is employed in before the called number mode of prefixing and will calls out route and go out the IMS territory, and prefix code is prefix3.IMS is redirected AS and is employed in the mode of prefixing before the calling number and suppresses 2 times of grappling SCP and be redirected, and prefix code is prefix4.In following implementation step, omitted the mutual process of I-CSCF, S-CSCF and HSS.As shown in Figure 7, this flow process comprises the steps:
Step S701, caller MSCa receives the request that the party A-subscriber initiates, and initiates SRI (Send RoutingInformation) inquiry to HLRb;
Step S702, HLRb return party B-subscriber's service profile T_CSI (Terminating CAMEL SubsriptionInformation) and the address information of grappling SCP;
Step S703, MSCa carries out the callee side service trigger, sends service request IDP (Initial DP) and gives grappling SCPb, comprises the calling and called number information in the request;
Step S704, grappling SCPb carries out the grappling operation according to local service message, before called number, increases prefix prefix2, sends CONNECT message and gives MSCa;
Step S705, MSCa carries out route according to prefix, and the GMSC (GatewayMSC, Gateway MSC) that can arrive MGCF is sent in call request, by GMSC request is forwarded to MGCF;
Step S706:MGCF judges and need carry out IMS territory callee side business according to called prefix prefix2, removes the prefix of called number, and the calling that do not carry of asking at INVITE identifies, and request is sent to I-CSCF;
Step S707, I-CSCF inquiry HSS distributes S-CSCF for called subscriber B, and the INVITE request is transmitted to S-CSCF;
Step S708, S-CSCF inquiry HSS downloads the business datum of called subscriber B, and according to the service trigger condition, the INVITE request is sent to IM-SSF;
After step S709, IM-SSF received the INVITE request, the service identification information according in the request converted CAP message id P to and sends to SCPb, wherein, comprises calling and called information;
Step S710, SCPb carries out concrete service logic, sends CONITNUE message after accomplishing and gives IM-SSF;
Step S711, IM-SSF becomes the INVITE request to send to S-CSCF the CONTINUE message conversion;
Step S712, S-CSCF carries out the triggering of next professional AS according to triggering rule, and the INVITE request is sent to IMSASb;
Step S713, IMS ASb carries out concrete service logic, sends INVITE after accomplishing and asks to S-CSCF;
Step S714, S-CSCF carries out the triggering of next professional AS according to triggering rule, the INVITE request is sent to IMS be redirected AS;
Step S715, IMS are redirected AS carries out service logic, before called number, increases prefix prefix3, and before calling number, increases prefix prefix4, transmits INVITE then and asks to S-CSCF;
Step S716, S-CSCF judge that called number changes, and stop to have now the triggering of rule; Called number to new is analyzed, and finds the non-IMS user of this number, carries out route analysis according to prefix3; Judge that the called subscriber is the traditional C user, request is sent to MGCF;
Step S717, MGCF carries out route analysis and conversion according to the called number prefix, removes the called number prefix, selects the GMSC (Gateway MSC) that the called subscriber belonged to, and sends call request;
Step S718, legacy network GMSC inquiry HLRb know that the called subscriber B SCP that contracted is professional, carry out T_CSI, send CAP service request IDP message and give grappling SCP, and wherein, caller information is prefix4+A, and called party information is B;
Step S719, grappling SCP analyzes caller information, finds to carry the prefix prefix4 that suppresses the secondary grappling, does not carry out the grappling operation, removes calling number prefix prefix4, sends the CONNET service message and gives GMSC;
Step S720, the GMSC analyzing called number sends call request and gives corresponding MSC.
So far, the traditional circuit domain called service is finished, and is follow-up by legacy network MSC analyzing called number B, and final paging is to party B-subscriber's terminal.
In sum,, solved that unique user can't trigger a plurality of SCP in traditional circuit domain through the foregoing description, and the nested problem of SCP and IMS territory AS.And, simplified the SCP service contracting of HLR in the traditional circuit domain, no matter how many different service SCP the user has, and only needs the information of signatory grappling SCP.In addition,, efficiently solve the nested problem of traditional SCP and IMS territory AS, when guaranteeing original business, for traditional SCP provides a kind of method to IMS evolution through control service trigger ordinal relation on HSS.
Obviously; It is apparent to those skilled in the art that above-mentioned each module of the present invention or each step can realize that they can concentrate on the single calculation element with the general calculation device; Perhaps be distributed on the network that a plurality of calculation element forms; Alternatively, they can be realized with the executable program code of calculation element, carried out by calculation element thereby can they be stored in the storage device; Perhaps they are made into each integrated circuit modules respectively, perhaps a plurality of modules in them or step are made into the single integrated circuit module and realize.Like this, the present invention is not restricted to any specific hardware and software combination.
The above is merely the preferred embodiments of the present invention, is not limited to the present invention, and for a person skilled in the art, the present invention can have various changes and variation.All within spirit of the present invention and principle, any modification of being done, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (12)
1. service trigger method is characterized in that comprising:
Service call conversation control function S-CSCF receives request message, obtains the corresponding user's of described request message business information;
Said S-CSCF is according to the triggering rule in the said business information, triggers one or more application server AS and/or triggers one or more service controller SCP via IP Multimedia Service Switching Function IM-SSF and carry out said business information corresponding service.
2. method according to claim 1 is characterized in that, said S-CSCF triggers one or more said AS according to said triggering rule and/or triggers one or more said SCP via said IM-SSF and carry out said business information corresponding service and comprise:
Said S-CSCF is according to the service trigger ordinal relation in the said triggering rule, triggers one or more said AS successively and/or triggers one or more said SCP via said IM-SSF and carry out said business.
3. method according to claim 1 is characterized in that, the business information that said S-CSCF obtains the corresponding user of described request message comprises:
Said S-CSCF obtains said user's business information on home subscriber server HSS.
4. method according to claim 3 is characterized in that, before obtaining said user's business information on the said HSS, said method also comprises at said S-CSCF:
Commercial operation back-up system BOSS is provided with said user's business information on said HSS, wherein, said BOSS is used to manage said user's user profile and the said business information that said user contracts.
5. according to the method for claim 1, it is characterized in that before said S-CSCF received described request message, said method also comprised:
MGCF MGCF sends described request message via inquiring CSCF I-CSCF to said S-CSCF; Described request message also is used for indicating to said S-CSCF the type of said business; Wherein, the type of said business is divided into calling service and called service.
6. method according to claim 5 is characterized in that, before said S-CSCF sent described request message, said method also comprised said MGCF via said I-CSCF:
The call request that moving exchanging center MSC receives is sent service trigger request to grappling SCP;
Said grappling SCP indicates said MSC that said call request is routed to said MGCF;
Said MSC is routed to said MGCF with said call request, and wherein, said call request also is used to indicate the type of said business.
7. method according to claim 6; It is characterized in that indicating said MSC that said call request is routed to said MGCF, and indicate the type of said business to said MGCF through the prefix that calling number and/or called number in said call request increase.
8. method according to claim 6 is characterized in that, said S-CSCF triggers one or more said AS and/or triggers one or more said SCP via said IM-SSF and carry out after the said business information corresponding service, and said method also comprises:
Said S-CSCF confirms that said business is finished, and when the called subscriber who confirms the calling that described request message is corresponding is the traditional circuit domain user, sends a request message to said MGCF;
Said MGCF sends call request according to the described request message that receives to GMSC GMSC.
9. method according to claim 8 is characterized in that,
Said S-CSCF sends the request message that carries indication information to said MGCF, and said indication information is used to suppress the secondary grappling;
Said MGCF sends the said call request that carries said indication information to said GMSC;
Said GMSC is known the corresponding user of the said call request business of having contracted, and sends business request information to grappling SCP, wherein, carries said indication information in the said business request information;
Said grappling SCP receives after the business request information that carries said indication information, does not carry out the grappling operation, and indicates said GMSC that said call request is sent to corresponding MSC.
10. method according to claim 9 is characterized in that, said S-CSCF sends the request message that carries indication information to said MGCF and comprises:
Said S-CSCF is to redirected AS initial request messages, and said redirected AS is provided with said indication information in this request message, and sends to said S-CSCF;
Said S-CSCF is according to said indication information, stop to trigger, and the request message that will carry said indication information sends to said MGCF.
11. each described method in 10 is characterized in that according to Claim 8, said indication information is the prefix that increases at the calling number of said call request and/or called number.
12. a service trigger device is arranged in service call conversation control function S-CSCF, it is characterized in that comprising:
Receiver module is used to receive request message;
Acquisition module is used to obtain the corresponding user's of described request message business information;
Trigger module is used for the triggering rule according to said business information, triggers one or more application server AS and/or triggers one or more service controller SCP via IP Multimedia Service Switching Function IM-SSF and carry out said business information corresponding service.
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| CN2011100500371A CN102655613A (en) | 2011-03-02 | 2011-03-02 | Service triggering method and device |
| PCT/CN2012/071024 WO2012116592A1 (en) | 2011-03-02 | 2012-02-10 | Service triggering method and device |
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| CN2011100500371A CN102655613A (en) | 2011-03-02 | 2011-03-02 | Service triggering method and device |
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| CN2011100500371A Pending CN102655613A (en) | 2011-03-02 | 2011-03-02 | Service triggering method and device |
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| WO (1) | WO2012116592A1 (en) |
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| WO2012116592A1 (en) | 2012-09-07 |
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