WO2012113331A1 - Procédé et système de déclenchement dans un réseau ims, programme informatique et support de stockage - Google Patents

Procédé et système de déclenchement dans un réseau ims, programme informatique et support de stockage Download PDF

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Publication number
WO2012113331A1
WO2012113331A1 PCT/CN2012/071450 CN2012071450W WO2012113331A1 WO 2012113331 A1 WO2012113331 A1 WO 2012113331A1 CN 2012071450 W CN2012071450 W CN 2012071450W WO 2012113331 A1 WO2012113331 A1 WO 2012113331A1
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WIPO (PCT)
Prior art keywords
service
triggered
trigger
ims
parallel
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PCT/CN2012/071450
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English (en)
Chinese (zh)
Inventor
王亚晨
邬俊毅
俞承志
郑屹峰
李立奇
Original Assignee
中国移动通信集团公司
中国移动通信集团浙江有限公司
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Publication of WO2012113331A1 publication Critical patent/WO2012113331A1/fr

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Classifications

    • 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]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00—Network arrangements or protocols for supporting network services or applications
    • H04L67/50—Network services
    • H04L67/51—Discovery or management thereof, e.g. service location protocol [SLP] or web services

Definitions

  • the present invention relates to the technical field of mobile communication core networks, and in particular, to a service triggering method, system, computer program and storage medium in an i:M:S network.
  • the IMS network refers to the IP-based multimedia subsystem. It features SIP architecture, access independence, user roaming and centralized management of user data, making it possible for IMS to achieve network convergence. As a unified core control network supporting fixed access and mobile access, IMS is the network foundation for full-service operations.
  • Figure 1 is a diagram of the current IMS core network system architecture.
  • the IMS core network system includes a Home Subscriber Server (HSS), a Serving Call Session Control Function (S-CSCF), a SIP Application Server (SIP AS:), and an IMS Service Switching Function Module.
  • HSS Home Subscriber Server
  • S-CSCF Serving Call Session Control Function
  • SIP AS SIP Application Server
  • IMS Service Switching Function Module GM-SSF
  • OSA-SCS OSA Service Open Capability Server
  • MRFC Multimedia Resource Function Processor
  • SCI Service Capability Interaction Management Function Module
  • the IMS network can provide users with multiple services, and the user can select one or more of the services.
  • the signaling process of the user call enters the IMS domain, and the S-CSCF of the IMS core network queries the user service information in the HSS, and triggers the corresponding one or more SIP ASs, and the SIP AS provides the user with the SIP AS.
  • Business services are possible.
  • the order in which services are triggered is triggered serially one by one according to the priority of the service. If there are multiple service overlays, when the S-CSCF receives the initial session request, it will trigger according to the pre-set priority, from high to low. For example, Media Restricted Service (BM), Terminal Personal Call Assistant Service (PCA), Unconditional Forward Delivery Service (CFU), Multimedia Message Calling Secret Service (MMCS), assuming their priorities are 1, 2, 3 and 4, respectively. BM. will be triggered first, then T-PCA, CFU and MMCS will be triggered in turn.
  • BM Media Restricted Service
  • PCA Terminal Personal Call Assistant Service
  • CFU Unconditional Forward Delivery Service
  • MMCS Multimedia Message Calling Secret Service
  • Figure is a flow chart of the service triggering method of the existing IMS core network.
  • the method includes:
  • step 201 the call enters the IMS domain and is sent to the S-CSCF.
  • Step 202 The S-CSCF queries the user subscription information in the HSS to learn which IMS services are activated by the user.
  • Step 203 The S-CSCF sequentially triggers the corresponding AS platforms according to the order of the subscription information of the user.
  • the S-CSCF first sends a service request to the first AS platform, and waits for the AS platform to return to the processing. After receiving the processing message returned by the first AS platform, the S-CSCF sends the service request to the second. The AS platform waits for the AS platform to return to process the message; until all the services of the AS platform are triggered.
  • the F-side is used to open the E-message service by the IMS user and the IMS multimedia CRBT service is taken as an example.
  • the method for triggering the service of the existing IMS network is described in detail.
  • the priority of the E-message service is lower than that of the IMS multimedia CRBT service. priority.
  • the IMS core network After receiving the initial session request, the IMS core network first triggers the E-message service, and then triggers the IMS multimedia ring back tone service after the E-message service is processed.
  • the specific implementation process is shown in Figure 3.
  • I Dong 1 3 is a flow chart of the calling method of the user who subscribes to the E-message service and the IMS multimedia CRBT service by the existing IMS core network.
  • the process includes a service triggering process (steps 1 to 5), an e-platform registration process (steps 6-8), setting up a ring back tone slot and releasing process (steps 9-24).
  • a service triggering process steps 1 to 5
  • an e-platform registration process steps 6-8
  • setting up a ring back tone slot and releasing process steps 9-24.
  • the business triggering process includes:
  • the calling terminal UE1 sends a trigger request message (INVITE) to the S-CSCF of the IMS core network.
  • INVITE trigger request message
  • the S-CSCF of the IMS core network triggers the INVITE message to the e-AS.
  • the AS After receiving the INVITE message, the AS performs the service processing and sends an INVITE message to the S-CSCF.
  • the S-CSCF of the IMS core network sends an S-CSCF message to the IMS ring back tone platform (M: RBT AS) according to the subscription attribute.
  • the IMS ring back tone platform returns 183 messages to the S-CSCF.
  • the S-CSCF of the IMS core network receives the 183 message and reports it to the e-mail AS.
  • E-mail AS receives the ij 183 message, and sends 183 message to the S-CSCF.
  • the S-CSCF transparently transmits the 183. message to the calling terminal UE1.
  • the setup of the CRBT time slot and release process includes:
  • the calling terminal UE1 receives the 183 message, and returns a PRACK message to the S-CSCF.
  • the S-CSCF of the core network After receiving the PRACK message, the S-CSCF of the core network returns the PRACK message to the IMS ring back tone platform. ,
  • the IMS CRBT service platform After receiving the PRACK message, the IMS CRBT service platform sends an ACK message (color ring media resource play confirmation) to the MRF (Media Resource Function) integrated in the IMS CRBT service platform according to the PRACK message, and returns a 200 PRAC message to the S-CSCF. 12.
  • the S-CSCF returns the 200 PRAC to the calling terminal, completes the media negotiation, and establishes a connection to start playing the ring tones.
  • the called terminal UE2 sends a 200 OK message to the S-CSCF of the IMS core network.
  • the S-CSCF of the IMS core network sends a 200 OK message to the IMS CRBT service platform.
  • the IMS CRBT service platform receives the 200 OK message and returns an ACK confirmation message to the S-CSCF, and simultaneously sends a Bye message to the MRF to stop the playback.
  • the S-CSCF transparently transmits the ACK message (confirmation message) of the IMS CRBT service platform to the called terminal.
  • the IMS CRBT service platform sends a re-INVITE message to the S-CSCF for a new request for media information.
  • the S-CSCFF transparently transmits the [NVITE message] of the IMS CRBT service platform to the called terminal.
  • the called terminal UE2 returns a 200 OK cancellation (response message) to the S-CSCF.
  • the S-CSCF sends a 200 OK message of the called terminal UE2 to the IMS CRBT service platform.
  • the IMS CRBT service platform sends an Update message to the S-CSCF, requesting to update the media information of the called terminal UE2.
  • the S-CSCF sends an Update message to the calling terminal UE1.
  • the calling terminal UE1 responds by sending the Update message of the F1 to the S-CSCF, requesting to update the media information of the calling terminal UE1.
  • the S-CSCF sends the Update message of the calling terminal UE1 to the IMS CRBT service platform, and the IMS CRBT service platform is disconnected to release the media resources. Then, the calling terminal UE1 and the called terminal UE2 can make a call.
  • the IMS core network component S-CSCF can only trigger the AS platform in a serial manner, resulting in lower utilization efficiency of the entire system.
  • the present invention provides a service triggering method, a system computer program, and a storage medium in an MS network, so as to improve the service triggering efficiency of the IMS system and reduce the waiting time of the user call.
  • a service triggering method in an IMS network comprising:
  • the parallel triggering operation is performed on multiple services that can be triggered in parallel.
  • a service triggering system in an IMS network includes a storage module and a trigger management module, and the storage module is configured to store an analysis result that can be triggered in parallel between different services in the IMS network;
  • the trigger management module is configured to determine, according to the analysis result, whether the services contracted by the IMS user can be triggered in parallel, and perform parallel trigger operations on multiple services that can be triggered in parallel.
  • a computer program comprising instructions, which when executed by a processor, are arranged to cause the processor to perform the method as described above.
  • a storage medium storing a computer program as described.
  • the present invention can determine whether the IMS user subscribes to the service according to the analysis result after receiving the call request of the IMS user by storing the analysis result of whether the different services in the IMS network can be triggered in parallel. Whether it can be triggered in parallel, and perform parallel triggering operations on multiple services that can be triggered in parallel. Compared with the prior art, only the services in the IMS network can be triggered serially, the service efficiency of the IMS system can be reduced, and the user can be reduced. The waiting time for the call.
  • Figure 1 is a diagram of the current IMS core network system architecture.
  • FIG. 2 is a flow chart of a service triggering method of an existing IMS core network.
  • FIG. 3 is a flow chart of a method for triggering an E-message service and an IMS multimedia CRBT service in an existing IMS core network.
  • FIG. 4 is a flow chart of a service triggering method in an IMS network provided by the present invention.
  • FIG. 5 is a first detailed flowchart of a service triggering method in an IMS network provided by the present invention.
  • FIG. 6 is a second detailed flowchart of a service triggering method in an IMS network provided by the present invention.
  • FIG. 7 is a schematic diagram of the composition of a service triggering system in an IMS network provided by the present invention.
  • FIG. 8 is a first structural diagram of a service triggering system provided by the present invention.
  • FIG. 8A is a schematic flowchart of a specific implementation example of the service triggering system shown in FIG. 8.
  • FIG. 9 is a second structural diagram of a service triggering system provided by the present invention.
  • FIG. 9A is a schematic flow chart showing a specific implementation of the service triggering system shown in FIG. 9.
  • FIG. 10 is a signaling flow diagram of the parallel triggering E-mail service and the enterprise communication assistant service provided by the present invention.
  • FIG. 11 is a signaling flowchart of triggering BM service, T CA service, CFU service, and MMCS service provided by the present invention.
  • FIG. 4 is a flow chart of a service triggering method in an IMS network provided by the present invention.
  • the method includes:
  • Step 401 Store an analysis result that can be triggered in parallel between different services in the IMS network.
  • Step 402 Determine, according to the analysis result, whether the services contracted by the IMS user can be triggered in parallel, and perform parallel trigger operations on multiple services that can be triggered in parallel.
  • the trigger can be triggered in parallel, and the trigger can be sent to the application server of the E-mail service and the application server of the IMS CRBT service at the same time. Request message.
  • a virtual network service is used to provide a short number call service for a user. That is, the user dials the short number, and then the network side first triggers the application server to the virtual network, and the translation user dials. The long number corresponding to the short number is then triggered by the long number to the application server of the MS CRBT service, and the ring back tone is played. Therefore, the virtual network service and the CRBT service cannot be
  • the invention can identify the triggering sequence between the services in the manner of triggering the priority, and whether the different services can be triggered in parallel.
  • the services that trigger the same priority are services that can be triggered in parallel.
  • the serial trigger is first performed according to the sequence.
  • the parallel trigger operation is performed at the time of the trigger. For example, a virtual network service, an E-mail service, and an IMS CRBT service are simultaneously opened by a user.
  • the triggering priority of the virtual network service is higher than the triggering priority of the IMS CRBT service and the triggering priority of the E-mail service.
  • the triggering priority is the same as the triggering priority of the E-mail service.
  • the virtual network service is triggered first according to the triggering priority. After the application server of the virtual network service returns the triggering response message, the E-mail service and the IMS CRBT service are triggered in parallel.
  • the performing the parallel triggering operation includes: sending a trigger request message to the corresponding application server for multiple services that can be triggered in parallel.
  • the present invention after receiving the call request of the IMS user, it may be determined in real time whether the services contracted by the IMS user can be triggered in parallel according to the analysis result; the present invention may also determine each IMS user according to the analysis result in advance. Whether the services of the contracted parties can be triggered in parallel, the service triggering sequence of each IMS user is stored, and then, after receiving the call request of the MS user, the service triggering operation is directly performed according to the service triggering sequence of the MS user.
  • the service triggering sequence of each IMS user is stored, and then, after receiving the call request of the MS user, the service triggering operation is directly performed according to the service triggering sequence of the MS user.
  • FIG. 5 is a first detailed flowchart of a service triggering method in an IMS network according to the present invention, that is, a real-time, based on the analysis result, whether a traffic that can be triggered in parallel between services subscribed by an IMS user is determined.
  • the process includes:
  • Step 501 Store an analysis result that can be triggered in parallel between different services in the IMS network, that is, store the trigger rule.
  • Step 502 Receive a call request of the IMS user, and determine, according to the IMS user information carried in the call request, each service that is subscribed by the IMS user, that is, obtain, according to the IMS user information, the services subscribed by the user from the HSS of the IMS system, and Locally store the various services that the user subscribes to.
  • Step 503 Determine, according to the analysis result, a triggering sequence between the services subscribed by the IMS user, where multiple services that can be triggered in parallel are triggered at the same time.
  • Step 504 Trigger each service in sequence according to the triggering sequence.
  • a trigger request message is sent to the application server corresponding to each service triggered in parallel.
  • the service triggered by the first service of the IMS user may be determined according to the analysis result, and then the trigger operation is performed to determine whether all services subscribed by the IMS user have been triggered. If the IMS user still has no triggered service, it continues to determine the next triggered service and performs the triggering operation, and returns the step of determining until all the services subscribed by the IMS user have been triggered.
  • the single service may be triggered, that is, the trigger request message is sent to the application server of the single service, or the multiple services that can be triggered in parallel are triggered, that is, the multiple services that can be triggered in parallel are simultaneously
  • the application server sends a trigger request message.
  • FIG. 6 is a second detailed flowchart of a service triggering method in an IMS network provided by the present invention, that is, it is determined in advance according to the analysis result whether each service contracted by each IMS user can be triggered in parallel, and each IMS user is stored.
  • the service triggers the sequence, and then, after receiving the call request of the IMS user, directly performs the process of the service triggering operation according to the service triggering sequence of the IMS user.
  • the process includes:
  • Step 601 Store an analysis result that can be triggered in parallel between different services in the IMS network, that is, store the trigger rule.
  • Step 602 Determine, according to the analysis result, a triggering sequence of each service that is subscribed by each user, and store information about the service triggering sequence of each user, where multiple services that can be triggered in parallel are triggered at the same time, that is, when each service subscribed by the user is activated.
  • the service of the service contracted by the user is stored locally, and the triggering sequence of each service subscribed by the user is analyzed according to the triggering rule, and the triggering sequence information of each service subscribed by the user is also stored locally.
  • Steps 601 to 602 are pre-processing steps, wherein step 602 is generally performed when the user subscribes to the service.
  • Step 603 Receive an IMS call request of the IMS user, and obtain service trigger sequence information corresponding to the IMS user according to the IMS user information carried in the call request.
  • Step 604 Trigger each service in sequence according to the triggering sequence.
  • the MS user sign is triggered in sequence according to the triggering sequence.
  • Each of the services, in which a plurality of services that can be triggered in parallel are simultaneously executed.
  • an IMS user subscribes to 4 services from service 1 to service 4, where service 4 needs to be triggered first, service 1 and service 3 can be triggered in parallel, and need to be triggered before service 2, then the service of the IMS user is triggered.
  • the order is: First, the service 4 is triggered, then the service 1 and the service 3 are triggered in parallel, and the service 2 is triggered last.
  • the present invention also provides for the integration of the trigger response message of each service that is triggered in parallel, for example, extracting the value of the header field and/or the message body in the trigger response message, and carrying the header field in the trigger request message of the subsequently triggered service. And/or the value of the message body.
  • the present invention also provides a service triggering system in an IMS network, which can be implemented by a STMM module (Service Triggering Management Module), which can be added in an existing IMS. network environment.
  • STMM module Service Triggering Management Module
  • Independent network element devices that is, STMM: modules are set independently
  • modules added in the network elements in the existing IMS network architecture for example, adding corresponding modules in the S-CSCF (that is, STMM modules and S - CSCF is set up together).
  • the service triggering system provided by the present invention can be connected to the S-CSCF and the application server in the existing IMS network architecture, and the corresponding service triggering process is as follows:
  • the S-CSCF in the IMS network architecture After receiving the IMS call request, the S-CSCF in the IMS network architecture sends the IMS call request to the service triggering system provided by the present invention, and the service triggering system provided by the present invention provides a specific service triggering operation, and the service trigger request message is sent. Send it to the corresponding application server, and send the trigger response message returned by the application server to the S-CSCF.
  • FIG. 7 is a schematic diagram of the composition of a service triggering system in an IMS network provided by the present invention.
  • the service triggering system includes a storage module 701 and a trigger management module 702.
  • the storage module 701 is configured to store an analysis result that can be triggered in parallel between different services in the IMS network.
  • the trigger management module 702 is configured to determine, according to the analysis result, whether the services contracted by the IMS user can be triggered in parallel, and perform parallel trigger operations on multiple services that can be triggered in parallel.
  • the service triggering system further includes an analysis module, configured to analyze whether each service can be triggered in parallel according to a nested relationship between the services.
  • the storage module 701 includes a user database and a trigger rule library
  • the trigger management module 702 includes a message transceiver and a control module, and further includes an interaction module based on the system shown in FIG.
  • the storage module 701 includes a trigger rule library and a trigger sequence storage module.
  • the trigger management module 702 includes a message transceiver and a control module, and further includes an interaction module based on the system shown in FIG. 7.
  • FIG. 8 is a first structural diagram of a service triggering system provided by the present invention.
  • the system includes a user database 801, a trigger rule base 802, an interaction module 803, a control module 804, and a message transceiver 805.
  • the user database 801 is configured to store service information subscribed by the IMS user.
  • a trigger rule base 802 is configured to store analysis results that can be triggered in parallel between different services.
  • the interaction module 803 is configured to receive a call request of the MS user, and send the call request of the MS user to the control module 804; and send the trigger response message received by the message transceiver 805 to the IMS core network device.
  • the IMS core network device is generally referred to as an S-CSCF.
  • the control module 804 is configured to query the user database 801 according to the call request of the IMS user, obtain the service information subscribed by the IMS user, query the trigger rule base 802, and determine, according to the analysis result in the trigger rule base 802, the IMS user to sign the contract. The order of triggering between businesses.
  • the message transceiver 805 is configured to send a trigger request message to each application server in sequence according to the triggering sequence, and send a trigger request message to the corresponding application server for multiple services that can be triggered in parallel, and receive a trigger returned by each application server. Response message.
  • the user database 801 can be connected to the HSS entity in the current IMS network, and used to obtain the IMS universally subscribed user information from the HSS entity.
  • the service triggering system shown in Figure 8 (which can be implemented by the STMM module) is applied to the IMS system.
  • the S-CSCF/STMM: module is shown in Figure 8A.
  • the specific implementation process is shown in Figure 8A, including:
  • the terminal sends a registration request to the P-CSCF;
  • the P-CSCF forwards the registration request to the S-CSCF;
  • the S-CSCF determines that it needs to initiate identity authentication to the user, send a MAR message to the HSS, and obtain user authentication information.
  • the HSS returns authentication information
  • the S-CSCF initiates an identity authentication request
  • the P-CSCF forwards the authentication request to the terminal
  • the terminal generates an authentication result according to the local information, and carries the request to the network side through the re-registration request;
  • the P-CSCF forwards the above request to the S-CSCF;
  • the S-CSCF determines that the authentication result is valid and confirms the identity of the user. At this time, the user is requested to sign the data information to the HSS, including the service information signed by the user;
  • the HSS returns the user-related information (including the contracted service information).
  • the S-CSCF stores the above information locally and provides it to the STMM module for service triggering.
  • the S-CSCF returns a registration success message
  • the P-CSCF forwards the registration success message to the terminal:
  • the subsequent triggering process is as shown in steps 503 and 504 of the method embodiment shown in FIG. 5 above.
  • FIG. 9 is a second structural diagram of a service triggering system provided by the present invention.
  • the system includes a trigger rule base 901, a trigger sequence storage module 902, an interaction module 903, a control module 904, and a message transceiver 905.
  • the trigger rule base 901 is configured to store an analysis result that can be triggered in parallel between different services.
  • the triggering sequence storage module 902 is configured to store trigger sequence information of each service subscribed by each user, where the triggering sequence of each service is obtained according to the analysis result, and multiple services that can be triggered in parallel are triggered at the same time.
  • the interaction module 903 is configured to receive a call request of the IMS user sent by the IMS core network device, send the call request of the IMS user to the control module 904, and forward the trigger response message received by the message transceiver 905 to the MS core network device.
  • the IMS core network device refers to the S-CSCF.
  • the control module 904 is configured to query the triggering sequence storage module 902 according to the call request of the IMS user, and obtain a triggering sequence between the services subscribed by the IMS user.
  • the message transceiver 905 is configured to send a trigger request message to each application server in sequence according to the triggering sequence, and send a trigger request message to the corresponding application server for multiple services that can be triggered in parallel, and receive a trigger returned by each application server. Response message.
  • the service trigger system shown in Figure 9 (which can be implemented by the STMM module) is applied to the IMS system.
  • the service triggering system can be set separately, that is, as shown in FIG. 9A, when the services of the IMS user are communicated by the service provisioning module, the services of the IMS user are Stored in the STMM local, and only one service subscription rule is set in the HSS.
  • the service subscription rule is used to instruct the S-CSCF to forward the call request initiated by the terminal to the STMM module when the service is triggered.
  • the process shown in 6 performs parallel and/or serial service triggering, including:
  • the service communication module writes only one service subscription rule for the IMS user in the HSS, instructing the S-CSCF to forward the call request to the STMM module;
  • the service opening module sends the user related service information to the STMM, and the STMM locally saves the subscribed service information of the user. Therefore, the triggering sequence storage module 902 can determine the signing of the IMS user according to the triggering rule in advance.
  • the triggering sequence of the service, and the trigger sequence information of each service of the IMS user is pre-stored locally;
  • the STMM module obtains the IMS user information according to the call request forwarded by the S-CSCF, and obtains the trigger sequence information of each service corresponding to the IMS user according to the IMS user information, and according to the IMS user.
  • the trigger sequence information of each service is triggered in parallel and/or serially for each service.
  • the control module 804 and the control module 904 may further include an extraction module, configured to extract a value of a header field and/or a message body in a trigger response message of each service triggered in parallel, in a trigger request message of a subsequently triggered service. Carrying the value of the header field and/or message body.
  • a protocol adaptation module may be further included, where the protocol adaptation module is connected to the trigger rule base, the message transceiver, the control module, and the interaction module, Adapting the network protocol so that the service triggering system shown in FIG. 8 or FIG. 9 can be combined with the IMS when the service triggering system shown in FIG. 8 or FIG. 9 is different from the network protocol used by the IMS core network device or the application server.
  • the core network device and the application server communicate normally, and through the protocol adaptation module, each module in the system shown in FIG. 8 or FIG. 9 can also communicate using different network protocols.
  • the system shown in Figures 8 and 9 may further include a network management module for managing various modules within the service providing system shown in Figures 8 and 9.
  • FIG. 10 is a flow chart of call signaling of a user who subscribes to an E-mail service and an enterprise communication assistant service provided by the present invention.
  • the process includes a service triggering process. For details, see Step 1 to Step 7.
  • the INVITE in different steps generally has different parameters.
  • the process also includes the service execution process. For details, see Step 8.
  • Step 63 in order to explain the invention in more detail, the MRF (media resource function, integrated in the IMS CRBT service platform) is used as an independent logical network element in the figure.
  • Step 1 The calling terminal UE1 sends a trigger request message INVITE (UE1 SDP) to the S-CSCF of the IMS core network.
  • INVITE UE1 SDP
  • Step 2 The S-CSCF of the IMS core network triggers the INVITE to the Service Broker.
  • Steps 3 and 4 The service triggering system simultaneously sends an INVITE message to the E-mail AS and the IMS ring back tone platform (MRBT S).
  • Steps 5 and 6. The AS and the IMS ring back tone platform perform the service processing after receiving the INViTE message, and deliver the .INVITE message to the service triggering system.
  • Step 7 After receiving the INVITE of the AS and the IMS CRBT service platform, the service triggering system sends an INVITE message to the S-CSCF F of the IMS core network.
  • Step 8 The S-CSCF of the IMS core network forwards the INVITE message to the called terminal UE2.
  • Step 9 The called terminal rings and returns to the 180 1 3 ⁇ 43 ⁇ 4 message.
  • Step 10 After receiving the 180 Ring message, the S-CSCF of the IMS core network reports the message to the service trigger system Service Broker 0.
  • Step 11 The service triggering system reports the 180 Ring message to the IMS CRBT service platform.
  • Step 12 After receiving the 180 message, the IMS CRBT service platform sends an INVITO message to
  • M F Media Resource Function Requests a ring tone.
  • Step 13 The MRF returns a 200 OK message to the IMS CRBT service platform.
  • Step 14 The IMS CRBT service platform returns a message 183 to the service triggering system.
  • Step 15 The service triggering system sends a 183 message to the e-platform platform for registration, which is performed simultaneously with step 11.
  • Step 17 The service triggering system merges the IMS CRBT service platform and the e-information platform and returns the message to the S-CSCF.
  • Step 18 The S-CSCF returns the 183 message to the calling terminal UE1.
  • Step 19 The squeaking terminal UE ⁇ sends a PRACK to the S-CSCF as a response message.
  • Step 20 The S-CSCF sends a PRACK to the service triggering system.
  • Steps 21 and 23 The service triggering system simultaneously sends a PRACK message to the IMS CRBT service platform and the e-station platform.
  • Step 22 The e-platform returns a PRACK message to the service triggering system.
  • Step 24 The IMS CRBT service platform applies for the MRF to play the CRBT.
  • Step 25 The IMS CRBT service platform replies with a 200 PRACK message to the service triggering system.
  • Step 26 The service triggering system sends a 200 PRACK message to the c-channel platform, and the step is followed by step 22.
  • Step 27 The e-platform replies 200 PRAC messages to the Service Broker system.
  • Step 28 The service triggering system merges the 200 PRACK message to the S-CSCF.
  • Step 29 The S-CSCF sends a 200 PRAC message to the calling terminal UE 1.
  • Step 30 Play a ring back tone to the calling terminal UE1.
  • Step 31 The called terminal UE2 picks up the phone.
  • Step 31 - 38 The IMS CRBT service platform suspends playback.
  • Steps 39 and 40 The IMS CRBT service platform performs an update request for the media information by sending a relnvite message.
  • Steps 41 and 42 The S-CSCF sends a RE_INVITE message to the called terminal UE2, requesting to update the media information, and obtaining a response message of the called terminal UE2.
  • Step 43 The S-CSCF sends 200 O to the service triggering system.
  • the IMS CRBT service platform is disconnected and resources are released.
  • Steps 51 and 52 the e-information platform interacts with the service triggering system 200 OK message to obtain media resources (a connection between the calling party and the called party can be established).
  • Step 53 The service triggering system transparently transmits the 200 INVITE message to the S-CSCF.
  • Step 54 Transparently transmit the 200 INVITE message to the calling terminal UE1.
  • Step 55 An ACK response message of UE1.
  • Steps 56 and 57 an ACK response message is sent from the S-CSCF to the called terminal.
  • Step 58 The main called terminal re-sends the media negotiation and then performs a call.
  • FIG. 11 is a signaling flowchart of triggering BM service, T-PCA service, CFU service, and MMCS service provided by the present invention.
  • the service priorities of the BM service, the PCA service, the CFU service, and the MMCS service are 1, 2, 3, and 4, respectively.
  • the process includes:
  • Step 1 The service triggering system (the STMM module in the figure) provided by the present invention receives an IMS call request (INVITE) sent by the S-CSCF, and determines, according to the call request message, that the user subscribes to the BM service, the T-PCA service, The CFU service and the MMCS service analyze the trigger sequence between the services contracted by the user.
  • IMS call request IMS call request
  • the service triggering system receives the service trigger response message returned by the application server of the BM service and the application server of the PCA service, and integrates the service trigger response message.
  • Steps 4 to 5 The service triggering system finds that the CRJ service and the MMCS service can be triggered in parallel according to the triggering sequence, and the service triggering system sends a trigger request message to the application server of the CFU service and the application server of the MMCS service.
  • the service triggering system receives the service trigger response message returned by the application server of the CFU service and the application server of the MMCS service, and integrates the service trigger response message, and returns the integrated service trigger response message to the S-CSCF.
  • the present invention triggers the BM service and the T-PCA service in parallel, and triggers the CFU service in parallel, as compared with the prior art, which triggers the BM: service, the PCA service, the CFU service, and the MMCS service according to the service priority.
  • the MMCS service not only improves the triggering efficiency of the service, but also shares the load of the S-CSCF because the parallel triggering is performed by a dedicated service triggering system.
  • the service trigger system compares the INVITE header field and the message. Changes in the fields in the body, extract the corresponding modifications and integrate them into the subsequent INVITE
  • the service triggering system finds that the values of the RECORD-ROUTE and ROUTE header fields are modified, that is, the RECORD-ROUTE and ROUTE header fields respectively add the addresses of the AS where the BM service and the T-PCA service are located, and the service triggering system extracts the corresponding AS.
  • the address is added to the RECORD-ROUTE and ROUTE header fields of the subsequent INVITE request; modifications to the message body can also be extracted and merged in a similar manner.

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Telephonic Communication Services (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

L'invention concerne un procédé et un système de déclenchement d'un service dans un réseau IMS, ainsi qu'un programme informatique et un support de stockage. Le procédé consiste : à stocker un résultat d'analyse quant à savoir si différents services peuvent être déclenchés en parallèle dans un réseau IMS; et à déterminer, suivant le résultat d'analyse, si des services auxquels un utilisateur IMS est abonné peuvent être déclenchés en parallèle, et à exécuter une opération de déclenchement parallèle sur plusieurs services susceptibles d'être déclenchés en parallèle. Le système comprend un module de stockage et un module de gestion déclencheur. Le module de stockage est utilisé pour stocker un résultat d'analyse quant à savoir si différents services peuvent être déclenchés en parallèle dans un réseau IMS. Le module de gestion déclencheur est utilisé pour déterminer, en fonction du résultat d'analyse, si les services auxquels l'utilisateur IMS est abonné peuvent être déclenchés en parallèle, et exécuter une opération de déclenchement parallèle sur plusieurs services pouvant être déclenchés en parallèle. Selon l'invention, l'efficacité de déclenchement de services du système IMS peut être améliorée et le temps d'attente de l'utilisateur dans un appel peut être réduit.
PCT/CN2012/071450 2011-02-24 2012-02-22 Procédé et système de déclenchement dans un réseau ims, programme informatique et support de stockage WO2012113331A1 (fr)

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