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A dynamic service trigger method based on a rule in an IMS network

A regular and dynamic technology, applied in the communication field, which can solve the problems of increasing the end-to-end session establishment delay, reducing the system throughput, and reducing the quality of service of the IMS network.

Inactive Publication Date: 2014-02-19
SUN KAISENS BEIJING TECH
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Problems solved by technology

[0019] By studying the ATA-based call establishment process in the above-mentioned IMS, it is found that the existing service trigger method based on the initial filter criterion iFC (initial Filter Criteria) greatly increases the delay of establishing an end-to-end session, reduces the throughput of the system, and reduces the QoS of IMS network

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  • A dynamic service trigger method based on a rule in an IMS network
  • A dynamic service trigger method based on a rule in an IMS network
  • A dynamic service trigger method based on a rule in an IMS network

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Embodiment Construction

[0059] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings.

[0060] see image 3 , introducing three operation steps of a rule-based dynamic service triggering method in the IMS network of the present invention:

[0061] (1) Follow the RFC3261 international standard to define a new SIP header. The name of the SIP header is: Trigger-Rule, which is used to implement various related functions that support subsequent filtering criteria sFC;

[0062] (2) Set and load the filtering criterion sFC based on the response of the initial request and the subsequent request, so that after the serving S-CSCF of the home network executes the initial filtering criterion iFC to successfully match the initial request and calls the application server AS, if the subsequent filtering If the conditions of the criterion sFC are met, the S-CSCF ca...

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Abstract

Provided is a dynamic service trigger method based on a rule in an IMS network comprising three steps of: (1) according to an international standard, defining a new SIP head: Trigger-Rule in order to realize various associative functions of supporting a subsequent filtering criterion sFC; (2) setting and loading a response base on an initial request and the filtering criterion sFC of a subsequent request in order that after a S-CSCF executes an iFC and the coupling for the initial request is successful and an AS is called, if a requirement of the sFC is satisfied, the S-CSCF can execute related operations according to a processing mode that the sFC describes; (3) Through utilizing the Trigger-Rule with the SIP head, and based on the sFC, executing the dynamic service trigger method RDSTA based on the rule. The method realized based on the subsequent filtering criterion sFC can substantially improve the flexibility of ATA service triggering, effectively reduce signaling traffic of the S-CSCF and the AS, increase the throughput of a whole system, simultaneously substantially reduces session setup delays, and raise the IMS network service quality.

Description

technical field [0001] The invention belongs to the technical field of communication, and in particular relates to a rule-based dynamic service triggering method in an IMS network. Background technique [0002] The IP Multimedia Subsystem IMS (IP Multimedia Subsystem) is a new core network domain of an all-IP architecture proposed by the 3GPP (3rd Generation Partnership Project). The difference between the IMS service provision method and the traditional public switched telephone network PSTN (Public Switched Telephone Network) and the public land mobile network PLMN circuit domain service provision method is that in the IMS network, the control layer and the service layer are completely separated, and the control layer and the service layer are completely separated. The layer does not provide services, it only provides the necessary triggering, routing, billing and other functions of the business layer, and the business is completely provided by the business layer. In the ...

Claims

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Application Information

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IPC IPC(8): H04L29/06H04L12/741H04L45/74
Inventor 荀兆勇孔令丽苏少明
Owner SUN KAISENS BEIJING TECH
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