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Method, system and device for retriggering prevention

A technology of message sending and initial request, which is applied in the field of communication and can solve problems such as repeated business triggers and endless loops

Active Publication Date: 2009-03-18
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

Examples

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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

The invention embodiment discloses a re-trigger preventing method, system and equipment. The method comprises: service-call session control function (S-CSCF) entity receives the initial request message carrying the re-trigger preventing indication from application server AS; and the S-CSCF sends the initial request message to the initial request message receiving end according to the re-trigger preventing indication. In the invention embodiment, the S-CSCF sends the initial request message to the receiving end according to the re-trigger preventing indication carried by the initial request message, that prevents the initial request sent by the AS from being sending to the AS again by the S-CSCF, and prevents the re-trigger of the services.

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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IPC IPC(8): H04L12/56
CPCH04L65/1016H04L29/06312H04L65/1063H04L29/06217
Inventor 文青马红伟
Owner HUAWEI TECH CO LTD
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