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Call handling method

A technology for call processing and called terminals, applied in connection management, electrical components, selection devices, etc., which can solve problems such as low call success rate

Inactive Publication Date: 2008-09-03
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0011] The invention discloses a call processing method to solve the problem of low call success rate caused by simple release call processing because the originating mobile softswitch server does not distinguish the cause of connection failure in the prior art

Method used

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Embodiment Construction

[0028] With the change of networking mode, the network structure is more flexible. In the process of call routing, if the call fails not because the called terminal is busy, shut down, etc., but because of the problem of the routing office itself, the call fails. When routing this call, the mobile softswitch server can be used to perform detour routing. The processing flow is as follows: figure 2 Shown:

[0029] Wherein, steps S1-S3 are the same as the prior art;

[0030] S4, after MSC Server1 receives REL message, return an RLC confirmation message to MSC Server2, at this moment do not directly release call, but analyze the reason value of Cause parameter in the REL, judge according to the detour routing strategy of formulating, if If the connection failure reason of the detour route is possible, then step S5 is executed; otherwise, the call is released.

[0031] The detour routing strategy described here is set in the configuration information of the mobile softswitch ser...

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Abstract

The disclosed calling process method comprises: the first mobile soft exchange server sends the called terminal address information to the second server; the latter returns the REL information with reason value when succeeding failure; the first server decides whether to send the calling information to the third server by local router configuration information; yes to send, or else releases the calling.

Description

technical field [0001] The invention relates to mobile communication technology, and particularly discloses a call processing method. Background technique [0002] The third generation mobile communication WCDMA (Wideband Code Division Multiple Access, code division multiple access network) 3GPP (3rd Generation Partnership Project, third generation mobile communication standardization partner project) R4 (Release 4) will core network circuit domain MSC (Mobile services Switching Center (mobile switching center) is split into two devices, MSC Server (mobile softswitch server) and MGW (MediaGateway, media gateway), thereby realizing the separation of service control and service bearer, wherein: core network circuit domain MSC server and The MGWs are two independent devices connected through the Mc interface. The MSC Server device mainly completes call control, and the media gateway completes bearer control. The Mc interface is the control interface between the MSC Server and...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04Q7/38H04W76/02H04W76/06
CPCH04W76/027H04W76/18
Inventor 朱浩鹏廖志军
Owner HUAWEI TECH CO LTD