Method and System for Performing Call Processing by Using Visitor Location Register during Malfunction of Home Location Register

摘要

In the event of a failure the invention features a visitor to the home location register in providing mobile communication services in mobile networks ., to a method and system for processing call using the location register ; The present invention is (a1) determining whether a malfunction occurs in the home location register; (A2) the determination result of step (a1), when it is determined in the home location register hayeotdago function fails, the step of determining whether the mobile communication subscriber information is stored in a database within itself; (A3) the determination result, if determined that the mobile communication subscriber information is not stored in the database, the method comprising: querying the mobile subscriber information to the serving visitor location register in step (a2); (B) receiving the mobile subscription information from the serving visitor location register; And (c) moving of a home location register failure, the visitor function comprising the step of transmitting the mobile subscriber information in a communication switching center provides the call processing method using the location register. ; This According to the invention, if a failure occurred in the HLR function to improve the quality of the mobile communication service can be performed by a separate call processing using the existing VLR no additional equipment to prevent defects caused by the HLR to the call processing function of the fault .