Patent ID: 8547937

Claim:
A method for selectively establishing a voice call continuity link between a mobile device and a voice call continuity application server, comprising: receiving a request to establish a voice connection at the voice call continuity application server from the mobile device; determining at the voice call continuity server a position of the mobile device with respect to at least one network defined by network location information that can support a voice call if the voice call is dropped by serving network responsive to the request; comparing the determined position of the mobile device with network location information stored in a database for at least one network that can support the voice call if it is dropped by the voice network; determining at the voice call continuity application server whether the voice call continuity link is needed between the voice call continuity server and the mobile device responsive to the comparison; and establishing the voice call continuity link between the mobile device and the voice call continuity application responsive to a determination that the voice call continuity link is needed.