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Implementation method for optimizing call flow from mobile user to mobile user

A mobile user and process technology, applied in electrical components, wireless communication, network data management, etc., can solve the problems of mobile user call failure and large impact, reduce call delay, reduce impact, and reduce signaling chain. Effects of road costs and maintenance effort

Active Publication Date: 2011-02-02
CHINA TELECOM CORP LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At the same time, under the standard call flow, when the HLR is down and unavailable, all calls from mobile users to mobile users will fail, and the impact is very large

Method used

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  • Implementation method for optimizing call flow from mobile user to mobile user
  • Implementation method for optimizing call flow from mobile user to mobile user
  • Implementation method for optimizing call flow from mobile user to mobile user

Examples

Experimental program
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Embodiment Construction

[0017] Such as figure 2 As shown, in the method for optimizing the call flow from a mobile user to a mobile user, first, the calling mobile user initiates a call to the called mobile user to the calling MSC to which it belongs, and the calling MSC selects the One of three call flow modes. For example, when building a mobile communication network, choose according to the user scale. When only one MS / VLR is deployed in one city, or one MSC / VLR is shared by multiple cities, and the local call ratio of the same MSC / VLR is relatively large, the optimized call flow described in the present invention can be selected. In the first mode, the operation control is carried out according to the standard call flow, that is, the calling MSC inquires from the HLR and obtains the roaming number of the called mobile user, and then finds a route to the called MSC according to the roaming number, and the called MSC completes Subsequent call operation; under the second mode, the calling MSC dir...

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PUM

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Abstract

The method comprises: the calling MSC selects the mode of call process according to the parameters relating to the call control; the first mode runs at a standard process; the second mode uses the calling MSC to enquire current VLR to decide if the called user is registered in current VLR; if yes, the calling MSC directly completes the next call control; the third mode is that firstly the callingMSC decides if the called user belongs to city covered by current MSC / VLR, then decides if the called user is registered in the current VLR.

Description

technical field [0001] The invention relates to the technical field of mobile communication, in particular to a method for optimizing a call flow from a mobile user to a mobile user. Background technique [0002] In the current standard process of second-generation and third-generation mobile communications, regardless of whether the called mobile user and the calling mobile user are registered in the same MSC (Mobile Switching Centre, Mobile Switching Center) / VLR (Visitor Location Register, Visitor Location Register) register), the calling MSC must first go to the HLR (Home Location Register, Home Location Register) to inquire, and after obtaining the roaming number of the called party, find a way to the called MSC. [0003] figure 1 A sequence diagram of a standard flow of a mobile user-to-mobile call operation is shown in . Wherein in step S11, the calling user A initiates a call to user B, and in step S12, the calling MSC inquires the HLR of the roaming number of the c...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04W36/12H04W8/02H04W8/06
Inventor 曹磊杨维忠钟致民陈洁
Owner CHINA TELECOM CORP LTD