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Method and system for preventing mobile terminal calling fault

A technology of call failure and mobile switching, which is applied in the field of communication, can solve problems such as termination call failure, and achieve the effect of avoiding call loss

Inactive Publication Date: 2007-08-15
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The present invention provides a method and system for preventing mobile terminal call failure to solve the problem in the prior art that a mobile switching center in the mobile switching center pool fails to cause call termination failure

Method used

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  • Method and system for preventing mobile terminal calling fault
  • Method and system for preventing mobile terminal calling fault
  • Method and system for preventing mobile terminal calling fault

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Embodiment Construction

[0023] In order to avoid the loss of mobile termination calls when a certain MSC in the mobile switching center pool (MSC POOL) fails, when the network device learns that a certain MSC has failed, it selects another normal MSC from the MSC POOL where the MSC is located to replace the failed one. MSC to handle mobile terminated calls normally.

[0024] The network device may be a home location register (HLR), and this solution is more suitable for local network users; the network device may also be a signaling transfer point (STP), and this solution is more suitable for local network users and roaming users.

[0025] The ways for HLR and STP to learn about the failure of the mobile switching center include: manual setting, automatic sensing or semi-automatic, wherein:

[0026] A. The way of manual setting means that after the MSC is found to be invalid, the MSC is manually set to the invalid state on the HLR or STP.

[0027] B. The automatic sensing method refers to interactin...

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Abstract

A method to prevent the mobile ending calling abort, the method is when the network equipment know the invalidation of the first mobile exchanging center that the called subscriber is current located abate, choose the second mobile exchanging center to replace the first mobile exchanging center from the mobile exchanging center pool (MSC POOL) that the first mobile exchanging center is located; the second mobile exchanging center assign roaming number for the called subscriber according to the request of the roaming number, and get the data of the called subscriber from the hose location register; call the second mobile exchanging center according to the roaming number, call the called subscriber by the second mobile exchanging center according to the data of the called subscriber, establish the call after get the response. The invention publicizes a communications system synchronously.

Description

technical field [0001] The invention relates to mobile communication technology in the field of communication, in particular to a method and system for preventing mobile termination call failure. Background technique [0002] In 3GPP TS 23.236, the IU FLEX (Intra-domain connection of RANnodes to multiple CN nodes) technology is described. The purpose of this technology is to realize that one RAN node in the same domain (CS / PS) can connect to multiple core networks (CN nodes) ) node connection networking mode, the networking example is shown in Figure 1. In the CS pool-areal, the mobile switching centers MSC1, MSC2 and MSC3 form a mobile switching center pool MSC POOL1, and the mobile switching centers MSC4, MSC5 and MSC6 form another mobile switching center pool MSC POOL2. [0003] It can be seen from the figure that if a certain MSC in MSC POOL1, such as MSC1 / VLR1, fails (for the convenience of description, it is assumed that the MSC and VLR are integrated and the MSC numb...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04Q7/38H04W76/04
CPCH04W68/00H04W24/04
Inventor 李杰唐颖蔡云霞
Owner HUAWEI TECH CO LTD
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