Patent ID: 6327470
Filing Date: 2001-12-04
Classification: H04W

Abstract:
A telecommunications system for performing a handover between a fixed network and a mobile network during a call on a given one of a plurality of dual mode devices, said telecommunications system comprising:a handover application located within said given dual mode device, said handover application initiating, in response to detecting said given dual mode device leaving a fixed mode coverage area associated with said fixed network, a call request to a mobile subscription number associated with said given dual mode device in said mobile network, said call request including a fixed subscription number associated with said given dual mode device in said fixed network, said handover application subsequently recognizing said fixed subscription number within an incoming call to said dual mode device from said mobile network and instructing said dual mode device to answer said incoming call to establish a connection with the mobile network, said handover application further disconnecting an established link between said given dual mode device and said fixed network after establishment of the connection with the mobile network;an end office within said fixed network for establishing a connection with said mobile network and forwarding said call request to said mobile network in response to receiving said call request from said handover application; anda mobile services center within said mobile network for forwarding said call request to said mobile subscription number associated with said dual mode device in response to said end office establishing a connection therewith.