Calling disaster-tolerant recovery method based on ordered registration

Abstract

A kind of calling disaster recovery method based on mandated registration, including: 1. When there is voice call operation arrives at the spare mobile switching center simulation, and shift the location information which has no user in the mobile switching center simulation, the system use the compulsory registration of the users, requests the mobile phone to initiate location updating 2. The mobile phone receives the request information from the system which is based on the user's registration and initiates location updating, the message has the current location information of the user; 3. System receives the location updating from the cell phone, renewing the dynamic information of the user according to the current information in the location updating information, gets the current location of the user, then it can call and seek the user according to the gained dynamic information. The invention ensures that the cell phone can updates the current dynamic information in time when it is needed and avoids the shortcomings of fixed sequence location updating. The greatest degree it can avoid the problem that the user can not be called after disaster.

Description

technical field [0001] The invention relates to the field of Code Division Multiple Access (CDMA for short) communication, and in particular to a call disaster recovery method based on command registration. Background technique [0002] In the CDMA2000 network, due to the separation of control and bearer, the mobile switching center emulation (hereinafter referred to as MSCe) can use the networking mode with multiple media gateways (hereinafter referred to as MGW), so a "big local network" is introduced concept (such as figure 1 As shown), the MSCe is centrally set up in the central city of the province, the MGW is set up locally, and a "big local network" is formed among multiple MGWs controlled by the same MSCe. The networking method is quite different from the traditional network. The complexity of the networking is getting higher and higher, and the requirements for network security are also further enhanced. Therefore, ZTE Corporation's 3GCN comprehensive technical sol...

AI Technical Summary

Problems solved by technology

However, this part of users may not re-register within a short period of time (such as a 30-minute period of periodic registration), and the information about users in MSCe needs to be updated after user registration

Therefore, during this period of time, the data of this part of users may not exist in the Visitor Location Register (VLR) database of the backup MSCe. When there are final calls to locate these users under the current MSCe, the There is no dynamic information of these users in the database, such as location area information such as the cell identity (Cell Identity hereinafter referred to as CellId) or the location area code (Location Area Code hereinafter referred to as Lac) where the current user is located

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