CN105554011A - Method and system for implementing service combination deployment of application servers under IMS (IP Multimedia Subsystem) network - Google Patents
Method and system for implementing service combination deployment of application servers under IMS (IP Multimedia Subsystem) network Download PDFInfo
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- CN105554011A CN105554011A CN201511017746.4A CN201511017746A CN105554011A CN 105554011 A CN105554011 A CN 105554011A CN 201511017746 A CN201511017746 A CN 201511017746A CN 105554011 A CN105554011 A CN 105554011A
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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]
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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
- H04L65/1066—Session management
Abstract
The invention relates to a method and a system for implementing service combination deployment of application servers under an IMS (IP Multimedia Subsystem) network. A service combination execution sequence table is configured to each application server AS; each sequence table comprises a service domain name, a flow identification, a sub-service ID (identity) and a service triggering sequence; and the ASs use different service domain names pointing to the ASs for identifying different sub-service combination execution modes, and simultaneously apply a plurality of iFCs to a core network S-CSCF (Serving Call Session Control Function). When the core network S-CSCF receives a call request, the method comprises: the core network S-CSCF extracts the service domain names from the iFCs, fills the service domain names and the flow identifications into triggering messages, and then sends the triggering messages to the ASs to which the iFCs point; and the ASs search the sub-service IDs and the service triggering sequences in the sequence tables, which correspond to the service domain names and the flow identifications, and execute each sub-service according to the corresponding service triggering sequence. The method and the system belong to the technical field of a mobile network, and can implement flexible combination deployment of the sub-services in the application servers under the IMS network.
Description
Technical field
The present invention relates to application server combinations of services is disposed under a kind of IMS network implementation method and system, belong to mobile network's technical field.
Background technology
IMS (IPMultimediaSubsystem) is IP Multimedia System, because IMS supports multiple access and abundant multimedia service, becomes the core net standard architecture in all-IP epoch.In the ims network, miscellaneous service function is all realized by AS (ApplicationServer, application server), comprises the function of the supplementary service originally realized by MSC switch under 2/3G.
The business that under IMS network, each AS provides can be a business possessing simple function, such as CRBT AS, also can be the compound business possessing multiple business function, such as CentrexAS, contain several functions such as merging V network service, multimedia desktop phone, one number service, fusion central office service, each function independently can become a business again, when practical business is disposed, also there is the demand only needing to dispose wherein one or more business functions of CentrexAS.
In the ims network, often need to select to dispose corresponding application server and dispose various different composite service on the application server according to concrete network configuration and construction scale, therefore, the flexible combination how realizing each seed in application server under IMS network is disposed, and has become the technical problem that current techniques personnel are badly in need of solving.
Summary of the invention
In view of this, the object of this invention is to provide application server combinations of services is disposed under a kind of IMS network implementation method and system, the flexible combination that can realize each seed in application server under IMS network is disposed.
In order to achieve the above object, the invention provides the implementation method that application server combinations of services is disposed under a kind of IMS network, each application server AS configures a combinations of services execution sequence table, described combinations of services execution sequence table includes business domain name, process identification, subservice ID, business trigger sequence, when application server has multiple subservice combination executive mode in same operation flow, then application server uses the different business domain name pointing to self to identify respectively different subservices combination executive mode in combinations of services execution sequence table, apply for multiple iFC to core net S-CSCF simultaneously, when core net S-CSCF receives call request, include:
Step one, core net S-CSCF are according to the priority orders of iFC, from meet trigger condition iFC application server element extract the business domain name of application server, and business domain name and process identification are inserted in Trigger message, then Trigger message is sent to the application server pointed by iFC, process identification is calling procedure, called flow or forward process identification;
Business domain name in step 2, application server extraction Trigger message and process identification, then business domain name described in combinations of services execution sequence table and all subservice ID corresponding to process identification and business trigger sequence thereof is searched, again according to from the business trigger sequence after arriving first, sort to all subservices found, last order performs each subservice.
In order to achieve the above object, present invention also offers the system that application server combinations of services is disposed under a kind of IMS network, include:
Core net S-CSCF, when a call request is received, according to the priority orders of iFC, from meet trigger condition iFC application server element extract the business domain name of application server, and business domain name and process identification are inserted in Trigger message, then Trigger message is sent to the application server pointed by iFC, process identification is calling procedure, called flow or forward process identification;
Application server AS, business domain name and process identification is extracted in the Trigger message that sends from core net S-CSCF, then business domain name described in combinations of services execution sequence table and all subservice ID corresponding to process identification and business trigger sequence thereof is searched, again according to from the business trigger sequence after arriving first, the all subservices found are sorted, last order performs each subservice, wherein, each application server AS is configured with a combinations of services execution sequence table, described combinations of services execution sequence table includes business domain name, process identification, subservice ID, business trigger sequence, when application server has multiple subservice combination executive mode in same operation flow, then application server uses the different business domain name pointing to self to identify respectively different subservices combination executive mode in combinations of services execution sequence table, apply for multiple iFC to core net S-CSCF simultaneously.
Compared with prior art, the invention has the beneficial effects as follows: the present invention is by the combinations of services execution sequence table on each application server and use different business domain names to identify the different subservice compound modes in operation flow, thus under IMS network can be realized in application server each seed flexible combination dispose; The present invention can also further according to network configuration and construction scale, the subservices such as MMTEL, SCC, IMSSF, one number service, CRBT, color printing are selected to close the different technologies scheme of establishing or setting up separately, realize the business such as MMTEL, SCC, CRBT, color printing based on Volte network and the flexible combination deployment of the business such as intelligent network, one number service based on SCPAS under IMS network, and business function effect is consistent.
Accompanying drawing explanation
Fig. 1 is core net S-CSCF when receiving call request, the flow chart of the implementation method that application server combinations of services is disposed under a kind of IMS network of the present invention.
Fig. 2 adopts MMTEL, SCC, IMSSF business to close to establish the system of the embodiment 1 of scheme to form structural representation.
Fig. 3 adopts MMTEL, SCC, IMSSF business to close to establish the system of the embodiment 2 of scheme to form structural representation.
Fig. 4 closes in MMTEL, SCC, IMSSF business to establish in scheme, the concrete operations flow chart when core net S-CSCF receives call request.
Fig. 5 is the system composition structural representation adopting MMTEL, SCC, IMSSF business to set up the embodiment of scheme separately.
Embodiment
For making the object, technical solutions and advantages of the present invention clearly, below in conjunction with accompanying drawing, the present invention is described in further detail.
In the ims network, corresponding application server is triggered by configuring initial filter criteria iFC (i.e. InitialFilterCriteria) at core net S-CSCF (Serving-CallSessionControlFunction, i.e. service-call session control function).IFC triggers as the distinctive triggering mode of IMS network, and each iFC configured in S-CSCF has a unique priority, and S-CSCF triggers each application server successively according to the priority orders of iFC.
Trigger point (TriggerPoint) and application server (ApplicationServer) two elements are comprised at an iFC, trigger point element describes the trigger condition that S-CSCF should check, application server element contains the address of the application server triggered needed for S-CSCF when trigger condition meets, and this address also can be able to be the form of " IP+ port " for business domains name.
The implementation method that under a kind of IMS network of the present invention, application server combinations of services is disposed, each application server AS configures a combinations of services execution sequence table, described combinations of services execution sequence table includes business domain name, process identification, subservice ID, the information such as business trigger sequence, when application server has multiple subservice combination executive mode in same operation flow, then application server uses the different business domain name pointing to self to identify respectively different subservices combination executive mode in combinations of services execution sequence table, apply for multiple iFC to core net S-CSCF simultaneously, subservice is combined according to the priority orders of iFC accordingly to trigger application server execution to make core net S-CSCF, like this, as shown in Figure 1, when core net S-CSCF receives call request, the present invention includes:
Step one, core net S-CSCF are according to the priority orders of iFC, from meet trigger condition iFC application server element extract the business domain name of application server, and business domain name and process identification are inserted in Trigger message, then Trigger message is sent to the application server pointed by iFC;
Business domain name in step 2, application server extraction Trigger message and process identification, then business domain name described in combinations of services execution sequence table and all subservice ID corresponding to process identification and business trigger sequence thereof is searched, again according to from the business trigger sequence after arriving first, sort to all subservices found, last order performs each subservice.
Process identification can be calling procedure, called flow or forward process identification, and core net S-CSCF according to the operation flow of self, can judge that this calls out the caller that should trigger, called or forward flow process, and carry process identification in Trigger message one by one; Business trigger sequence is for identifying the priority execution sequence of corresponding subservice, and its value can be a natural number, and its value is less, then represent that the execution sequence of this subservice is more by first.
The core net of Volte is based on IMS.The present invention can also close the different technologies scheme of establishing and setting up separately by business, realizes the business such as MMTEL, SCC, CRBT, color printing based on Volte network and the flexible combination deployment of the business such as intelligent network, one number service based on SCPAS under IMS network.Respectively above-mentioned two kinds of technical schemes will be described in detail below:
1, MMTEL, SCC, IMSSF business is closed and is established scheme
Fig. 2 and Fig. 3 is the system composition structure chart of two embodiments of MMTEL, SCC, IMSSF service deployment in same application server (being designated as Service_SMIAS) respectively.As Fig. 2, shown in Fig. 3, application server Service_SMIAS deploy has 3 subservice: MMTel (i.e. MultiMediaTelephony, multimedia desktop phone), SCC (i.e. ServiceCentralizationandContinuity, service set and continuity) and IMSSF (i.e. IPMultimediaServiceSwitchingFunction, IP multimedia service translation function) business, wherein, MMTEL business provides multimedia desktop telephony feature, SCC business provides continuous voice call function, IMSSF business realizes the nucleus module that intelligent network SCP seamlessly transits to Volte network, it provides SIP signaling and CAP Signalling conversion function.In Fig. 2, Service_SMIAS carries out interacting message by SIP interface and core net S-CSCF, and carries out interacting message by CAP interface and intelligent network SCP; In Fig. 3, Service_SMIAS also includes intelligent network SCP, therefore, only need carry out interacting message by SIP interface and core net S-CSCF.
The combinations of services execution sequence table of the upper configuration of Service_SMIAS can be as follows:
| Business domain name | Process identification | Subservice ID | Business trigger sequence |
| domain_0 | Calling procedure identifies | SCC business | 1 |
| domain_0 | Calling procedure identifies | MMTEL business | 2 |
| domain_0 | Calling procedure identifies | IMSSF business | 3 |
| domain_0 | Called flow identifies | IMSSF business | 1 |
| domain_0 | Called flow identifies | MMTEL business | 2 |
| domain_0 | Called flow identifies | SCC business | 3 |
| domain_0 | Forward process identification | IMSSF business | 1 |
Wherein, domain_0 is the business domain name of Service_SMIAS.Simultaneously, an iFC is applied for core net S-CSCF, the application server element of described iFC is the business domain name domain_0 of application server Service_SMIAS, like this, as shown in Figure 4, closing in MMTEL, SCC, IMSSF business establishes in scheme, when core net S-CSCF receives call request, includes:
Steps A 1, core net S-CSCF judge the operation flow that this call request should trigger, then according to configured iFC, application server Service_SMIAS to correspondence sends Invite (i.e. initial request) message, includes the process identification that the business domain name domain_0 of Service_SMIAS, operation flow are corresponding in the Route header field of described Invite message;
Steps A 2, application server Service_SMIAS extracts business domain name and process identification from the Route header field of Invite message, then the combinations of services execution sequence table of self is read, inquire about described business domain name and all subservice ID corresponding to process identification and business trigger sequence thereof, then according to from the business trigger sequence after arriving first, the all subservices found are sorted, thus form business execution chain, wherein, process identification is that the business execution chain of calling procedure mark is as follows: SCC business->MMTEL business->IMSSF business, process identification is that the business execution chain of called flow mark is as follows: IMSSF business->MMTEL business->SCC business, process identification is that the business execution chain of forward process identification is as follows: IMSSF business, and the business that finally performs one by one performs each subservice in chain.
2, MMTEL, SCC, IMSSF business sets up scheme separately
As shown in Figure 5, by MMTEL and SCC service deployment in application server VolteAS, by IMSSF service deployment in application server SCPAS, SCPAS also includes intelligent network SCP simultaneously, and application server VolteAS, SCPAS carry out interacting message by SIP interface and core net S-CSCF.
On application server VolteAS, the combinations of services execution sequence table of configuration can be as follows:
| Business domain name | Process identification | Subservice ID | Business trigger sequence |
| domain_0 | Calling procedure identifies | SCC business | 1 |
| domain_0 | Calling procedure identifies | MMTEL business | 2 |
| domain_1 | Called flow identifies | SCC business | 1 |
| domain_2 | Called flow identifies | MMTEL business | 1 |
The combinations of services execution sequence table of the upper configuration of SCPAS can be as follows:
| Business domain name | Process identification | Subservice ID | Business trigger sequence |
| domain_3 | Calling procedure identifies | IMSSF business | 1 |
| domain_3 | Called flow identifies | IMSSF business | 1 |
| domain_3 | Forward process identification | IMSSF business | 1 |
According to the operation flow preset, application server VolteAS has multiple subservice combination executive mode in called flow, and (namely core net S-CSCF first triggers VolteAS and performs MMTEL business, trigger VolteAS again and perform SCC business), therefore, MMTEL business, the SCC business of successively triggering during application server VolteAS needs to use different business domain name respectively to called flow in combinations of services execution sequence table identify.Domain_0, domain_1 and domain_2 are the different business domain name pointing to application server VolteAS respectively, and domain_3 is the business domain name pointing to application server SCPAS.Simultaneously, 4 iFC are applied for core net S-CSCF, be designated as ifc_0, ifc_1, ifc_2 and ifc_3, wherein, the application server element of ifc_0, ifc_1 and ifc_2 is different business domain name domain_0, domain_1 and domain_2 of application server VolteAS respectively, the application server element of ifc_3 is the business domain name domain_3 of application server SCPAS, and according to different operation flows, the iFC on configuration core net S-CSCF successively trigger sequence is:
(1) when calling procedure, the priority trigger sequence of iFC is: ifc_0, ifc_3;
(2) when called flow, the priority trigger sequence of iFC is: ifc_3, ifc_2, ifc_1;
(3), during current turn of tidal stream journey, the priority trigger sequence of iFC is: ifc_3.
Set up separately in scheme in MMTEL, SCC, IMSSF business, when a call request is received, core net S-CSCF judges the operation flow that call request should trigger, and completes the triggering of corresponding operation flow, wherein:
(1) when triggering calling procedure, include further:
Step B1, core net S-CSCF are according to the priority orders of iFC, to ifc_0 application server element domain_0 pointed by application server VolteAS send Invite message, carry business domain name domain_0 and calling procedure mark in the Route header field of described Invite message;
Step B2, application server VolteAS extract business domain name domain_0 and calling procedure mark from Invite message, inquire about the combinations of services execution sequence table of self, read corresponding subservice ID and business trigger sequence thereof, and according to from the business trigger sequence after arriving first, the all subservices found are sorted, thus form business execution chain: SCC business->MMTEL business, after each subservice that the business that executes one by one performs in chain, return Invite message to core net S-CSCF;
The application server SCPAS that step B3, core net S-CSCF continue pointed by the application server element domain_3 to ifc_3 sends Invite message, carries business domain name domain_3 and calling procedure mark in the Route header field of described Invite message;
Step B4, application server SCPAS extract business domain name domain_3 and calling procedure mark from Invite message, inquire about the combinations of services execution sequence table of self, read corresponding subservice ID and business trigger sequence thereof, and form business execution chain: IMSSF business, after executing IMSSF business, calling procedure terminates.
(2) when triggering called flow, include further:
Step C1, core net S-CSCF are according to the priority orders of iFC, to ifc_3 application server element domain_3 pointed by application server SCPAS send Invite message, carry business domain name domain_3 and the called flow mark of application server SCPAS in the Route header field of described Invite message;
Step C2, application server SCPAS extract business domain name domain_3 and called flow mark from Invite message, inquire about the combinations of services execution sequence table of self, read corresponding subservice ID and business trigger sequence thereof, and form business execution chain: IMSSF business, after executing IMSSF business, return Invite message to core net S-CSCF;
The application server VolteAS that step C3, core net S-CSCF continue pointed by the application server element domain_2 to ifc_2 sends Invite message, carries business domain name domain_2 and the called flow mark of VolteAS in the Route header field of described Invite message;
Step C4, application server VolteAS extract business domain name domain_2 and called flow mark from Invite message, inquire about the combinations of services execution sequence table of self, read corresponding subservice ID and business trigger sequence thereof, and form business execution chain: MMTEL business, after executing MMTEL business, return Invite message to core net S-CSCF;
The application server VolteAS that step C5, core net S-CSCF continue pointed by the application server element domain_1 to ifc_1 sends Invite message, carries business domain name domain_2 and the called flow mark of VolteAS in the Route header field of described Invite message;
Step C6, application server VolteAS extract business domain name domain_1 and called flow mark from Invite message, inquire about the combinations of services execution sequence table of self, read corresponding subservice ID and business trigger sequence thereof, and form business execution chain: SCC business, after executing SCC business, called flow terminates.
(3) when triggering forward flow process, include further:
Step D1, application server element domain_3 from core net S-CSCF to ifc_3 pointed by application server SCPAS send Invite message, carry business domain name domain_3 and the forward process identification of application server SCPAS in the Route header field of described Invite message;
Step D2, application server SCPAS extract business domain name domain_3 and forward process identification from Invite message, inquire about the combinations of services execution sequence table of self, read corresponding subservice ID and business trigger sequence thereof, and form business execution chain: IMSSF business, after executing IMSSF business, forward flow process terminates.
In sum, setting up separately in scheme, the business execution sequence of calling procedure is SCC business->MMTEL business->IMSSF business, the business execution sequence of called flow is IMSSF business->MMTEL business->SCC business, the business execution sequence of forward flow process is IMSSF business, and its business function effect and conjunction establish scheme completely the same.
The system that under a kind of IMS network of the present invention, application server combinations of services is disposed, includes:
Core net S-CSCF, when a call request is received, according to the priority orders of iFC, from meet trigger condition iFC application server element extract the business domain name of application server, and business domain name and process identification are inserted in Trigger message, then Trigger message is sent to the application server pointed by iFC;
Application server AS, business domain name and process identification is extracted in the Trigger message that sends from core net S-CSCF, then business domain name described in combinations of services execution sequence table and all subservice ID corresponding to process identification and business trigger sequence thereof is searched, again according to from the business trigger sequence after arriving first, the all subservices found are sorted, last order performs each subservice, wherein, each application server AS is configured with a combinations of services execution sequence table, described combinations of services execution sequence table includes business domain name, process identification, subservice ID, the information such as business trigger sequence, when application server has multiple subservice combination executive mode in same operation flow, then application server uses the different business domain name pointing to self to identify respectively different subservices combination executive mode in combinations of services execution sequence table, apply for multiple iFC to core net S-CSCF simultaneously, subservice is combined according to the priority orders of iFC accordingly to trigger application server execution to make core net S-CSCF.
Process identification can be calling procedure, called flow or forward process identification, and core net S-CSCF according to the operation flow of self, can judge that this calls out the caller that should trigger, called or forward flow process, and carry process identification in Trigger message one by one; Business trigger sequence is for identifying the priority execution sequence of corresponding subservice, and its value can be a natural number, and its value is less, then represent that the execution sequence of this subservice is more by first.
The core net of Volte is based on IMS.The present invention can also close the different technologies scheme of establishing and setting up separately by business, realizes the business such as MMTEL, SCC, CRBT, color printing based on Volte network and the flexible combination deployment of the business such as intelligent network, one number service based on SCPAS under IMS network:
1, MMTEL, SCC, IMSSF business is closed and is established scheme
Being deployed with the combinations of services execution sequence table that the application server Service_SMIAS of MMTEL, SCC and IMSSF business configures can be as follows:
| Business domain name | Process identification | Subservice ID | Business trigger sequence |
| domain_0 | Calling procedure identifies | SCC business | 1 |
| domain_0 | Calling procedure identifies | MMTEL business | 2 |
| domain_0 | Calling procedure identifies | IMSSF business | 3 |
| domain_0 | Called flow identifies | IMSSF business | 1 |
| domain_0 | Called flow identifies | MMTEL business | 2 |
| domain_0 | Called flow identifies | SCC business | 3 |
| domain_0 | Forward process identification | IMSSF business | 1 |
Wherein, domain_0 is the business domain name of application server Service_SMIAS, meanwhile, applies for an iFC to core net S-CSCF, and the application server element of described iFC is the business domain name domain_0 of Service_SMIAS,
As shown in Figure 2,3, application server Service_SMIAS includes further:
SMI business performs control device, business domain name and process identification is extracted in the Route header field of Invite message sent from core net S-CSCF, then the combinations of services execution sequence table of self is read, inquire about described business domain name and all subservice ID corresponding to process identification and business trigger sequence thereof, then according to from the business trigger sequence after arriving first, the all subservices found are sorted, thus form business execution chain, wherein, process identification is that the business execution chain of calling procedure mark is as follows: SCC business->MMTEL business->IMSSF business, process identification is that the business execution chain of called flow mark is as follows: IMSSF business->MMTEL business->SCC business, process identification is that the business execution chain of forward process identification is as follows: IMSSF business, and finally trigger business performs the service apparatus in chain corresponding to each subservice one by one,
SCC service apparatus, for realizing continuous voice call function;
MMTEL service apparatus, for realizing multimedia desktop telephony feature;
IMSSF service apparatus, for realizing the conversion of SIP signaling and CAP signaling,
Core net S-CSCF includes further:
Trigger equipment is established in conjunction, when a call request is received, judge the operation flow that call request should trigger, then according to configured iFC, application server Service_SMIAS to correspondence sends Invite message, the process identification that the business domain name domain_0 of Service_SMIAS, operation flow are corresponding is included in the Route header field of described Invite message
Application server Service_SMIAS carries out interacting message by SIP interface and core net S-CSCF.
2, MMTEL, SCC, IMSSF business sets up scheme separately
By MMTEL, SCC service deployment in application server VolteAS, by IMSSF service deployment in application server SCPAS, application server VolteAS, SCPAS carry out interacting message by SIP interface and core net S-CSCF, and on application server VolteAS, the combinations of services execution sequence table of configuration can be as follows:
| Business domain name | Process identification | Subservice ID | Business trigger sequence |
| domain_0 | Calling procedure identifies | SCC business | 1 |
| domain_0 | Calling procedure identifies | MMTEL business | 2 |
| domain_1 | Called flow identifies | SCC business | 1 |
| domain_2 | Called flow identifies | MMTEL business | 1 |
The combinations of services execution sequence table of the upper configuration of SCPAS can be as follows:
| Business domain name | Process identification | Subservice ID | Business trigger sequence |
| domain_3 | Calling procedure identifies | IMSSF business | 1 |
| domain_3 | Called flow identifies | IMSSF business | 1 |
| domain_3 | Forward process identification | IMSSF business | 1 |
According to the operation flow preset, application server VolteAS has multiple subservice combination executive mode in called flow, and (namely core net S-CSCF first triggers VolteAS and performs MMTEL business, trigger VolteAS again and perform SCC business), therefore, combinations of services execution sequence table need use the different business domain name of application server VolteAS to identify the MMTEL business successively triggered in called flow, SCC business respectively.Domain_0, domain_1 and domain_2 are the different business domain name pointing to application server VolteAS respectively, and domain_3 is the business domain name pointing to application server SCPAS.Simultaneously, 4 iFC are applied for core net S-CSCF, be designated as ifc_0, ifc_1, ifc_2 and ifc_3, wherein, the application server element of ifc_0, ifc_1 and ifc_2 is different business domain name domain_0, domain_1 and domain_2 of application server VolteAS respectively, the application server element of ifc_3 is the business domain name domain_3 of application server SCPAS, and according to different operation flows, the iFC on configuration core net S-CSCF successively trigger sequence is:
(1) when calling procedure, the priority trigger sequence of iFC is: ifc_0, ifc_3;
(2) when called flow, the priority trigger sequence of iFC is: ifc_3, ifc_2, ifc_1;
(3), during current turn of tidal stream journey, the priority trigger sequence of iFC is: ifc_3.
Core net S-CSCF includes further:
Set up trigger equipment separately, when a call request is received, judge the operation flow that call request should trigger, and notify that other devices complete the triggering of corresponding operation flow;
Calling procedure trigger equipment, for the priority orders according to iFC, first to ifc_0 application server element domain_0 pointed by application server VolteAS send Invite message, business domain name domain_0 and calling procedure mark is carried in the Route header field of described Invite message, when the Invite message returned after receiving VolteAS and performing corresponding service, the application server SCPAS continued again pointed by the application server element domain_3 to ifc_3 sends Invite message, business domain name domain_3 and calling procedure mark is carried in the Route header field of described Invite message,
Called flow trigger equipment, for first to ifc_3 application server element domain_3 pointed by application server SCPAS send Invite message, business domain name domain_3 and the called flow mark of SCPAS is carried in the Route header field of described Invite message, when the Invite message returned after receiving SCPAS and performing corresponding service, the application server VolteAS continued again pointed by the application server element domain_2 to ifc_2 sends Invite message, business domain name domain_2 and the called flow mark of VolteAS is carried in the Route header field of described Invite message, when the Invite message returned after receiving VolteAS and performing corresponding service, Invite message is sent to the application server VolteAS pointed by the application server element domain_1 of ifc_1, business domain name domain_2 and the called flow mark of VolteAS is carried in the Route header field of described Invite message,
Forward trigger flow device, Invite message is sent for the application server SCPAS pointed by the application server element domain_3 to ifc_3, business domain name domain_3 and the forward process identification of SCPAS is carried in the Route header field of described Invite message
As shown in Figure 5, application server VolteAS includes further:
VolteAS business performs control device, business domain name and process identification is extracted in the Invite message sent from core net S-CSCF, inquire about the combinations of services execution sequence table of self, read corresponding subservice ID and business trigger sequence thereof, and according to from the business trigger sequence after arriving first, form corresponding business and perform chain, wherein, when business domain name is domain_0, and process identification be calling procedure mark time, the business formed performs chain: SCC business->MMTEL business, when business domain name is domain_2, and process identification be called flow mark time, the business formed performs chain: MMTEL business, when business domain name is domain_1, and process identification be called flow mark time, the business formed performs chain: SCC business, last trigger business one by one performs the service apparatus in chain corresponding to each subservice,
SCC service apparatus, for realizing continuous voice call function;
MMTEL service apparatus, for realizing multimedia desktop telephony feature,
Application server SCPAS includes further:
SCPAS business performs control device, for extracting business domain name and called flow mark in the Invite message sent from core net S-CSCF, inquire about the combinations of services execution sequence table of self, read corresponding subservice ID and business trigger sequence thereof, when business domain name is domain_3 and process identification is caller, called or forward process identification, formation business performs chain: IMSSF business, finally triggers IMSSF service apparatus;
IMSSF service apparatus, for realizing the conversion of SIP signaling and CAP signaling.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, within the spirit and principles in the present invention all, any amendment made, equivalent replacement, improvement etc., all should be included within the scope of protection of the invention.
Claims (12)
1. the implementation method that under an IMS network, application server combinations of services is disposed, it is characterized in that, each application server AS configures a combinations of services execution sequence table, described combinations of services execution sequence table includes business domain name, process identification, subservice ID, business trigger sequence, when application server has multiple subservice combination executive mode in same operation flow, then application server uses the different business domain name pointing to self to identify respectively different subservices combination executive mode in combinations of services execution sequence table, apply for multiple iFC to core net S-CSCF simultaneously, when core net S-CSCF receives call request, include:
Step one, core net S-CSCF are according to the priority orders of iFC, from meet trigger condition iFC application server element extract the business domain name of application server, and business domain name and process identification are inserted in Trigger message, then Trigger message is sent to the application server pointed by iFC, process identification is calling procedure, called flow or forward process identification;
Business domain name in step 2, application server extraction Trigger message and process identification, then business domain name described in combinations of services execution sequence table and all subservice ID corresponding to process identification and business trigger sequence thereof is searched, again according to from the business trigger sequence after arriving first, sort to all subservices found, last order performs each subservice.
2. method according to claim 1, is characterized in that, in application server Service_SMIAS deploy MMTEL, SCC and IMSSF business, the combinations of services execution sequence table configured is as follows:
Wherein, domain_0 is the business domain name of Service_SMIAS, meanwhile, applies for an iFC to core net S-CSCF, and the application server element of described iFC is the business domain name domain_0 of application server Service_SMIAS.
3. method according to claim 2, is characterized in that, when core net S-CSCF receives call request, includes:
Steps A 1, core net S-CSCF judge the operation flow that this call request should trigger, then according to configured iFC, application server Service_SMIAS to correspondence sends Invite message, includes the process identification that the business domain name domain_0 of Service_SMIAS, operation flow are corresponding in the Route header field of described Invite message;
Steps A 2, application server Service_SMIAS extracts business domain name and process identification from the Route header field of Invite message, then the combinations of services execution sequence table of self is read, inquire about described business domain name and all subservice ID corresponding to process identification and business trigger sequence thereof, then according to from the business trigger sequence after arriving first, the all subservices found are sorted, thus form business execution chain, wherein, process identification is that the business execution chain of calling procedure mark is as follows: SCC business->MMTEL business->IMSSF business, process identification is that the business execution chain of called flow mark is as follows: IMSSF business->MMTEL business->SCC business, process identification is that the business execution chain of forward process identification is as follows: IMSSF business, and the business that finally performs one by one performs each subservice in chain.
4. method according to claim 1, it is characterized in that, have MMTEL and SCC business in application server VolteAS deploy, application server SCPAS deploy has IMSSF business, and on application server VolteAS, the combinations of services execution sequence table of configuration is as follows:
The combinations of services execution sequence table of the upper configuration of SCPAS is as follows:
Wherein, domain_0, domain_1 and domain_2 is the different business domain name pointing to application server VolteAS respectively, domain_3 is the business domain name pointing to application server SCPAS, simultaneously, 4 iFC are applied for core net S-CSCF, be designated as ifc_0, ifc_1, ifc_2 and ifc_3, wherein, ifc_0, the application server element of ifc_1 and ifc_2 is the different business domain name domain_0 of application server VolteAS respectively, domain_1 and domain_2, the application server element of ifc_3 is the business domain name domain_3 of application server SCPAS.
5. method according to claim 4, is characterized in that, when a call request is received, core net S-CSCF judges the operation flow that call request should trigger, and when triggering calling procedure, includes further:
Step B1, core net S-CSCF are according to the priority orders of iFC, to ifc_0 application server element domain_0 pointed by application server VolteAS send Invite message, carry business domain name domain_0 and calling procedure mark in the Route header field of described Invite message;
Step B2, application server VolteAS extract business domain name domain_0 and calling procedure mark from Invite message, inquire about the combinations of services execution sequence table of self, read corresponding subservice ID and business trigger sequence thereof, and according to from the business trigger sequence after arriving first, the all subservices found are sorted, thus form business execution chain: SCC business->MMTEL business, after each subservice that the business that executes one by one performs in chain, return Invite message to core net S-CSCF;
The application server SCPAS that step B3, core net S-CSCF continue pointed by the application server element domain_3 to ifc_3 sends Invite message, carries business domain name domain_3 and calling procedure mark in the Route header field of described Invite message;
Step B4, application server SCPAS extract business domain name domain_3 and calling procedure mark from Invite message, inquire about the combinations of services execution sequence table of self, read corresponding subservice ID and business trigger sequence thereof, and form business execution chain: IMSSF business, after executing IMSSF business, calling procedure terminates.
6. method according to claim 4, is characterized in that, when a call request is received, core net S-CSCF judges the operation flow that call request should trigger, and when triggering called flow, includes further:
Step C1, core net S-CSCF are according to the priority orders of iFC, to ifc_3 application server element domain_3 pointed by application server SCPAS send Invite message, carry business domain name domain_3 and the called flow mark of application server SCPAS in the Route header field of described Invite message;
Step C2, application server SCPAS extract business domain name domain_3 and called flow mark from Invite message, inquire about the combinations of services execution sequence table of self, read corresponding subservice ID and business trigger sequence thereof, and form business execution chain: IMSSF business, after executing IMSSF business, return Invite message to core net S-CSCF;
The application server VolteAS that step C3, core net S-CSCF continue pointed by the application server element domain_2 to ifc_2 sends Invite message, carries business domain name domain_2 and the called flow mark of VolteAS in the Route header field of described Invite message;
Step C4, application server VolteAS extract business domain name domain_2 and called flow mark from Invite message, inquire about the combinations of services execution sequence table of self, read corresponding subservice ID and business trigger sequence thereof, and form business execution chain: MMTEL business, after executing MMTEL business, return Invite message to core net S-CSCF;
The application server VolteAS that step C5, core net S-CSCF continue pointed by the application server element domain_1 to ifc_1 sends Invite message, carries business domain name domain_2 and the called flow mark of VolteAS in the Route header field of described Invite message;
Step C6, application server VolteAS extract business domain name domain_1 and called flow mark from Invite message, inquire about the combinations of services execution sequence table of self, read corresponding subservice ID and business trigger sequence thereof, and form business execution chain: SCC business, after executing SCC business, called flow terminates.
7. method according to claim 4, is characterized in that, when a call request is received, core net S-CSCF judges the operation flow that call request should trigger, and when triggering forward flow process, includes further:
Step D1, application server element domain_3 from core net S-CSCF to ifc_3 pointed by application server SCPAS send Invite message, carry business domain name domain_3 and the forward process identification of application server SCPAS in the Route header field of described Invite message;
Step D2, application server SCPAS extract business domain name domain_3 and forward process identification from Invite message, inquire about the combinations of services execution sequence table of self, read corresponding subservice ID and business trigger sequence thereof, and form business execution chain: IMSSF business, after executing IMSSF business, forward flow process terminates.
8. the system that under IMS network, application server combinations of services is disposed, is characterized in that, include:
Core net S-CSCF, when a call request is received, according to the priority orders of iFC, from meet trigger condition iFC application server element extract the business domain name of application server, and business domain name and process identification are inserted in Trigger message, then Trigger message is sent to the application server pointed by iFC, process identification is calling procedure, called flow or forward process identification;
Application server AS, business domain name and process identification is extracted in the Trigger message that sends from core net S-CSCF, then business domain name described in combinations of services execution sequence table and all subservice ID corresponding to process identification and business trigger sequence thereof is searched, again according to from the business trigger sequence after arriving first, the all subservices found are sorted, last order performs each subservice, wherein, each application server AS is configured with a combinations of services execution sequence table, described combinations of services execution sequence table includes business domain name, process identification, subservice ID, business trigger sequence, when application server has multiple subservice combination executive mode in same operation flow, then application server uses the different business domain name pointing to self to identify respectively different subservices combination executive mode in combinations of services execution sequence table, apply for multiple iFC to core net S-CSCF simultaneously.
9. system according to claim 8, it is characterized in that, by MMTEL, SCC and IMSSF service deployment on application server Service_SMIAS, and Service_SMIAS carries out interacting message by SIP interface and core net S-CSCF, the combinations of services execution sequence table of the upper configuration of Service_SMIAS is as follows:
Wherein, domain_0 is the business domain name of application server Service_SMIAS, meanwhile, applies for an iFC to core net S-CSCF, and the application server element of described iFC is the business domain name domain_0 of Service_SMIAS.
10. system according to claim 9, is characterized in that, application server Service_SMIAS includes further:
SMI business performs control device, business domain name and process identification is extracted in the Route header field of Invite message sent from core net S-CSCF, then the combinations of services execution sequence table of self is read, inquire about described business domain name and all subservice ID corresponding to process identification and business trigger sequence thereof, then according to from the business trigger sequence after arriving first, the all subservices found are sorted, thus form business execution chain, wherein, process identification is that the business execution chain of calling procedure mark is as follows: SCC business->MMTEL business->IMSSF business, process identification is that the business execution chain of called flow mark is as follows: IMSSF business->MMTEL business->SCC business, process identification is that the business execution chain of forward process identification is as follows: IMSSF business, and finally trigger business performs the service apparatus in chain corresponding to each subservice one by one,
SCC service apparatus, for realizing continuous voice call function;
MMTEL service apparatus, for realizing multimedia desktop telephony feature;
IMSSF service apparatus, for realizing the conversion of SIP signaling and CAP signaling,
Core net S-CSCF includes further:
Trigger equipment is established in conjunction, when a call request is received, judge the operation flow that call request should trigger, then according to configured iFC, application server Service_SMIAS to correspondence sends Invite message, includes the process identification that the business domain name domain_0 of Service_SMIAS, operation flow are corresponding in the Route header field of described Invite message.
11. systems according to claim 8, it is characterized in that, by MMTEL and SCC service deployment in application server VolteAS, by IMSSF service deployment in application server SCPAS, and application server VolteAS, SCPAS carry out interacting message by SIP interface and core net S-CSCF
On application server VolteAS, the combinations of services execution sequence table of configuration is as follows:
On application server SCPAS, the combinations of services execution sequence table of configuration is as follows:
Wherein, domain_0, domain_1 and domain_2 is the different business domain name pointing to application server VolteAS respectively, domain_3 is the business domain name pointing to application server SCPAS, simultaneously, 4 iFC are applied for core net S-CSCF, be designated as ifc_0, ifc_1, ifc_2 and ifc_3, wherein, ifc_0, the application server element of ifc_1 and ifc_2 is the different business domain name domain_0 of application server VolteAS respectively, domain_1 and domain_2, the application server element of ifc_3 is the business domain name domain_3 of application server SCPAS, iFC on configuration core net S-CSCF successively trigger sequence is:
(1) when calling procedure, the priority trigger sequence of iFC is: ifc_0, ifc_3;
(2) when called flow, the priority trigger sequence of iFC is: ifc_3, ifc_2, ifc_1;
(3), during current turn of tidal stream journey, the priority trigger sequence of iFC is: ifc_3.
12. systems according to claim 11, is characterized in that, application server VolteAS includes further:
VolteAS business performs control device, business domain name and process identification is extracted in the Invite message sent from core net S-CSCF, inquire about the combinations of services execution sequence table of self, read corresponding subservice ID and business trigger sequence thereof, and according to from the business trigger sequence after arriving first, form corresponding business and perform chain, wherein, when business domain name is domain_0, and process identification be calling procedure mark time, the business formed performs chain: SCC business->MMTEL business, when business domain name is domain_2, and process identification be called flow mark time, the business formed performs chain: MMTEL business, when business domain name is domain_1, and process identification be called flow mark time, the business formed performs chain: SCC business, last trigger business one by one performs the service apparatus in chain corresponding to each subservice,
SCC service apparatus, for realizing continuous voice call function;
MMTEL service apparatus, for realizing multimedia desktop telephony feature,
Application server SCPAS includes further:
SCPAS business performs control device, for extracting business domain name and called flow mark in the Invite message sent from core net S-CSCF, inquire about the combinations of services execution sequence table of self, read corresponding subservice ID and business trigger sequence thereof, when business domain name is domain_3 and process identification is caller, called or forward process identification, formation business performs chain: IMSSF business, finally triggers IMSSF service apparatus;
IMSSF service apparatus, for realizing the conversion of SIP signaling and CAP signaling.
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