Patent ID: 6950415
Filing Date: 2005-09-27
Classification: H04W

Abstract:
1. A method for managing call information associated with a plurality of mobile stations by a plurality of base station controllers in a wireless mobile telecommunications system including the base station controllers each adapted to provide packet data services to the mobile stations and provided with a packet data processor, each of the packet data services being performed between the base station controllers and the mobile stations via the packet data processor of an associated one of the base station controllers and a packet network connected to the packet data processor, comprising the steps of: storing, in a source base station controller, call information created for the packet data service in a dormant state database, upon receipt of a call request message from a given one of the mobile stations; transmitting an identifier of the given mobile station and an identifier of the source base station controller from the source base station controller to other base station controllers, if the given mobile station makes a transition to a dormant state; and storing, in the other base station controllers, the identifier of the given mobile station and the identifier of the source base station controller from the source base station controller in a pointer lookup table.