Method, system and equipment of called restoration in mobile switching centre pool

Abstract

The invention discloses a method for called recovery in a mobile switching center (MSC) pool, which is used in a MSC POOL system formed a home location register (HLR) and a plurality of mobile switching center / visitor location registers (MSC / VLR). The MSC POOL system is equipped with a backup station of each MSC / VLR. If the MSC / VLR for user service is shut down and the user never originates a calling delivery or location update, when the user is called, the method comprises: HLR sends the call signaling to the backup station of the shut-down MSC / VLR; the backup station originates a call to the user and originates a location update of the user to the HLR; and the HLR registers the data of the user in the backup station and updates the MSC / VLR for user service into the backup station. The invention also discloses other methods, system and exchange equipment. the invention can solve the problems of called recovery in MSC POOL.

Description

Technical field [0001] The present invention relates to a mobile switching center pool (MSC POOL, Mobile Switch Center Pool) implementation technology, in particular to a method for called recovery in MSC POOL, a system for called recovery in MSC POOL, switching equipment and signaling switching equipment. Background technique [0002] At present, the 3GPP organization has proposed a networking mode that is completely different from traditional networking. In this networking mode, a base station controller (RNC / BSC, Radio Network Controller / Base Station Controller) can be connected to multiple servers (SERVER ), these SERVERs can form MSCPOOL. The advantages of this networking mode of MSC POOL are as follows: (1) Within the MSC POOL, load sharing can be realized among various SERVERs; (2) The interface between the SERVER and the home location register (HLR, Home Location Register) can be reduced. Signaling volume; (3) In the MSC POOL, the interface message volume between SERVERs...

AI Technical Summary

Problems solved by technology

However, if the user does not act as the calling party or update the location during the periodic location update period, the user cannot be successfully called as the called party.

[0006] It can be seen that the called disaster recovery function of the existing MSC POOL is not complete enough. When the server goes down, the user information cannot be recovered in time, so that the user cannot be successfully called as the called party.

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