Patent ID: 7466991
Filing Date: 2008-12-16
Classification: H04L,H04M,H04W

Abstract:
1. A method for effecting a handoff of a multi-mode mobile station from a first wireless network to a second wireless network, said multi-mode mobile station having a first interface for wireless communication with said first wireless network and a second interface for wireless communication with said second wireless network, said method comprising: receiving a call request that requests establishment of a call between said multi-mode mobile station and an endpoint; in response to said call request, identifying a conference bridge, from among a plurality of conference bridges, that is associated with said multi-mode mobile station; establishing a first call leg between said conference bridge and said multi-mode mobile station via said first wireless network; receiving a handoff request; in response to said handoff request, establishing a second call leg between said conference bridge and said multi-mode mobile station via said second wireless network, said conference bridge bridging said first and second call legs; and dropping said first call leg.