Method for instructing terminal to register in IP multimedia subsystem and system thereof

A multimedia subsystem and terminal technology, applied in wireless communication, wireless network protocols, electrical components, etc., can solve problems such as large storage space, large signaling traffic between network devices, and complex logical functions of S-CSCF entities, and achieve simplification Effects of logical functions, reducing signaling traffic, and simplifying operations

Active Publication Date: 2011-02-02
ZTE CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

It can be seen that during this process, the signaling traffic between network devices is large, and the backup needs to occupy a large storage space in the HSS; at the same time, the process of subscribing information backup and constructing the notify message also makes the logic function of the S-CSCF entity more complicated

Method used

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  • Method for instructing terminal to register in IP multimedia subsystem and system thereof
  • Method for instructing terminal to register in IP multimedia subsystem and system thereof
  • Method for instructing terminal to register in IP multimedia subsystem and system thereof

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Embodiment Construction

[0032] In order to reduce signaling traffic, the present invention saves the process of the S-CSCF entity backing up the subscription information of the called terminal to the HSS. Correspondingly, the S-CSCF entity does not need to construct a notify message according to the backup subscription information. The basic idea is: after the S-CSCF entity receives and processes the call request from the calling terminal, it adds a registration indication to the call request, and then sends the call request with the registration indication to the called terminal via the P-CSCF entity.

[0033] Further, after receiving the call request, the called terminal parses the registration instruction therein, and executes the registration operation while completing the call processing.

[0034] The present invention will be described in further detail below in conjunction with the accompanying drawings and specific embodiments.

[0035] figure 2 It is a schematic diagram of the implementati...

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Abstract

The invention discloses a method for instructing a terminal to register in an IP multimedia subsystem (IMS), which comprises the following steps of: an entity with a service call session control function (S-CSCF) adds an registering instruction into a call request after receiving and processing the call request of a calling terminal, and an entity with a proxy call session control function (P-CSCF) sends the call request which is added with the registering instruction to a called terminal. The invention further discloses a system for instructing a terminal to register in an IP multimedia subsystem (IMS). The method and the system can instruct the called terminal to register when the entity with the service call session control function (S-CSCF) has disaster recovery, is simple and convenient in realization method, can reduce the signaling flow, and saves the memory space of the HSS.

Description

technical field [0001] The invention relates to the field of terminal registration in an Internet Protocol (Internet Protocol, IP) multimedia subsystem, and in particular to a method and system for notifying a terminal registration in an IP multimedia subsystem. Background technique [0002] IP Multimedia Subsystem, referred to as IMS, is a standard for next-generation communication networks defined by the 3rd Generation Partnership Project (3GPP). Various functions such as separation of media service control function and carrying capacity, call and session separation, application and service separation, service and network separation, and mobile network and Internet service integration. [0003] The network architecture of the IMS system is as follows: figure 1 As shown, it includes the following main functional entities: user equipment (UserEquipment, UE), proxy call session control function (Proxy call session control function, P-CSCF) entity, query call session control ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W68/00H04W80/04H04W60/00
Inventor 缪永生李世涛
Owner ZTE CORP
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