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Signaling message interaction method and application server

A technology of application server and interaction method, which is applied in the field of interaction method of signaling message and application server, can solve problems such as abnormal media negotiation, and achieve the effect of preventing abnormal media negotiation

Inactive Publication Date: 2011-03-30
ZTE CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0009] The present invention is proposed aiming at the problem existing in the related art that the interaction of signaling messages carrying two pieces of media is prone to conflict and lead to abnormal media negotiation when the SIP protocol stack does not support parallel multi-transactions. The purpose is to provide a signaling message interaction method and an application server to solve at least one of the above problems

Method used

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  • Signaling message interaction method and application server
  • Signaling message interaction method and application server
  • Signaling message interaction method and application server

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Embodiment Construction

[0029] Functional Overview

[0030]Considering the problems existing in the prior art, the embodiment of the present invention provides a signaling message interaction scheme, which is used to control the signaling of the media negotiation of the terminal on the AS side so as to solve the abnormal conflict in the negotiation. The processing principle is as follows: the application server receives the first message from the calling party and the second message from the called party, wherein the first message carries the first media sent to the called party, and the second message carries the media sent to the calling party The second media is different from the first media; the application server judges the type of the first media; and processes the first media according to the type of the first media. This solution makes a comprehensive decision and judgment based on whether there are Session / Early Session called media that need to be sent to the calling party and Early Sessio...

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Abstract

The invention discloses a signaling message interaction method and an application server. The method comprises the following steps: the application server receives a first message from a calling party and a second message from the called party, wherein the first message carries first media transmitted to the called party, the second message carries second media transmitted to the calling party, and the first media are different from the second media; the application server judges the type of the first media; and the first media are processed according to the type of the first media. The invention can prevent media negotiation abnormality in the early stage of conversation / formal conversation when the media carry out transmission and negotiation simultaneously.

Description

technical field [0001] The present invention relates to the communication field, in particular, to a method for interacting with signaling messages and an application server. Background technique [0002] The IP Multimedia Subsystem (IP Multimedia Subsystem, referred to as IMS) is a network architecture defined by the Third Generation Partner Ship Project (3GPP) to evolve from a 3G core network to an all-IP network. A communication system composed of service control equipment, user database, and network interworking equipment is superimposed on it to provide IP multimedia services. [0003] In the IMS system, the control layer and the service layer are separated. Specifically, the control layer does not provide specific services, but is only responsible for providing the necessary control functions such as triggering, routing, and charging to the service layer. The control function of the control layer is implemented by a call session control function (Call Session Control ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L29/06
Inventor 靳彬
Owner ZTE CORP