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Method, system and device for retriggering prevention

A multimedia subsystem and message sending technology, applied in the field of communication, can solve the problems of repeated service triggering and infinite loop.

Active Publication Date: 2013-08-14
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0011] In the existing technology, according to the existing processing flow, the call request initiated by the AS will be sent to the AS again, resulting in repeated triggering of the service, or even an infinite loop

Method used

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  • Method, system and device for retriggering prevention
  • Method, system and device for retriggering prevention
  • Method, system and device for retriggering prevention

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Embodiment Construction

[0035] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are some of the embodiments of the present invention, but not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

[0036] The embodiment of the present invention provides a method for preventing retriggering, such as figure 2 shown, including the following steps:

[0037] In step 201, the S-CSCF receives an initial request message from an AS carrying an indication to prevent retriggering.

[0038] Wherein, before the S-CSCF receives the initial request message from the AS carrying the indication to prevent retriggering, it may further include:

[0039] AS adds a...

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PUM

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Abstract

A method, system and apparatus for preventing re-triggering are disclosed by the embodiments of the present invention, the method includes that: a Serving Call Session Control Function(S-CSCF) receives an initial request message which carries an indication of preventing re-triggering from an Application Server(AS); the S-CSCF transmits the initial request message to the receiver of the initial request message according to the indication of preventing re-triggering. In the embodiments of the present invention, the S-CSCF transmits the initial request message to the receiver according to the indication of preventing re-triggering carried in the initial request, the initial request transmitted by AS will not be re-transmitted by the S-CSCF to the AS which initiates the initial request, and triggering service repeatedly is prevented.

Description

technical field [0001] The present invention relates to the technical field of communications, and in particular to a method, system and device for preventing retriggering. Background technique [0002] In IMS (Internet Protocol Multimedia Subsystem, Internet Protocol Multimedia Subsystem), the process of a terminal initiating a call is as follows: figure 1 shown, including the following steps: [0003] Step 101, the calling terminal initiates a request message, and sends the request message to the calling terminal S-CSCF (Serving Call Session Control Function, serving call session control function entity). [0004] Step 102, the calling end S-CSCF is according to IFC (Initial Filter Criteria, initial filter rule), and adds ODI (Original-dialog-identifier, initial session identification) parameter in the Route header field in the request message and sends the message To the calling end AS (Application Server, application server). [0005] Step 103, the calling end AS prov...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L29/06H04M7/00
CPCH04L65/1016H04L29/06312H04L65/1063H04L29/06217
Inventor 文青马红伟
Owner HUAWEI TECH CO LTD
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