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IMS session processing method and system

A processing method and technology of a processing system, applied in the field of IMS session processing method and system, can solve problems such as non-signaling processing, achieve the effects of saving bandwidth, reducing session processing delay, signaling traffic and equipment processing load

Active Publication Date: 2008-03-12
CHINA UNITED NETWORK COMM GRP CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

For example, when calling a registered user, the calling S-CSCF forwards the Invite request to the I-CSCF after performing corresponding service processing according to the calling user's subscription information, and then the I-CSCF inquires the HSS and learns that the called user is registered at the same time. At the calling side S-CSCF, the I-CSCF returns the Invite request to the calling side S-CSCF, which causes unnecessary signaling processing

Method used

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  • IMS session processing method and system
  • IMS session processing method and system
  • IMS session processing method and system

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Embodiment Construction

[0109] The present invention expands the session flow defined by 3GPP TS23.228, so that in the intra-office session scenario, unnecessary signaling traffic can be effectively reduced, and network resources such as bandwidth can be saved. Below at first the IMS intra-office session defined in the present invention is described:

[0110] The IMS intra-office session refers to the IMS session in the following three situations in this solution:

[0111] 1) Both the calling and called users are registered and registered on the same S-CSCF at the same time;

[0112] 2) The calling user is in the registered state, the called user is in the unregistered state but has signed an unregistered service, and the called user data is kept on the S-CSCF registered by the calling user;

[0113]3) The calling user is in the registered state, the called user is in the unregistered state and has not subscribed to an unregistered service, and the data of the called user is kept on the S-CSCF regis...

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Abstract

The present invention relates to a processing method of the IMS conversation, which comprises that step 11, whether the registered information of a called party exists is estimated by a calling side S-CSCF, if the registered information of a called party exists, step 12 is executed, otherwise, the S-CSCF analyzes the destination address according to the called party PUI, to retransmit the Invite request to the relevant I-CSCF, and the I-CSCF processes the Invite request according to the 3GPP standard conversation flow; step 12, the S-CSCF checks the state of the called party PUI and the signed contract information, and processes the called party PUI and the signed contract information. The present invention expands the S-CSCF function in a certain grade on the basis of the 3GPP IMS conversation flow, optimizes the IMS conversation processing flow, to reduce the unnecessary signaling interaction during the IMS intraoffice conversation, effectively decreases the signaling flow and the processing load of the equipment, and advances the service quality.

Description

technical field [0001] The invention relates to the field of IMS, in particular to an IMS session processing method and system. Background technique [0002] IMS (IP Multimedia Subsystem, IP Multimedia Subsystem) was proposed by 3GPP (3rd Generation Partnership Project, Third Generation Partnership Project) in its standard series R5. subsystem. The IMS system structure is shown in Figure 1, which is divided into a business layer, a core layer and an access layer. The business layer is composed of various application servers; the core layer is composed of proxy session control function (P-CSCF), service session control function (S-CSCF), inquiry session control function (I-CSCF), home subscriber server (HSS), subscription Location function (SLF), egress gateway control function (BGCF), media gateway control function (MGCF), IMS media gateway (IMS-MGW), multimedia resource function controller (MRFC), multimedia resource function processor (MRFP), etc. The access layer is co...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04Q7/22H04Q7/38H04L1/16H04L1/18H04W4/16H04W28/26
Inventor 张智江王明会杨征马红兵陈国利刘宝庆陈勋杨艳松蔡子龙朱斌张惠谦尼松涛
Owner CHINA UNITED NETWORK COMM GRP CO LTD
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