Method and system using a conference bridge for handoff of a multi-mode mobile station

A method for communicating with multi-mode mobile stations that can communicate with at least a first wireless network and a second wireless network, said method comprising:

• associating each one of a plurality of said multi-mode mobile stations with a particular one of a plurality of conference bridges;
• receiving a call request that requests establishment of a call between an endpoint and a given one of said plurality of multi-mode mobile stations;
• in response to said call request, identifying a given conference bridge, from among said plurality of conference bridges, that is associated with said given multi-mode mobile station;
• and
• establishing said call through said given conference bridge.

A system for providing wireless telecommunications for a plurality of multi-mode mobile stations, comprising:

• a first wireless network;
• second wireless network;
• a plurality of conference bridges communicatively coupled to said first and second wireless networks;
• a database that associates each one of said plurality of multi-mode mobile stations with a particular one of said plurality of conference bridges;
• and
• a call control system communicatively coupled to said database and to said plurality of conference bridges, wherein said call control system selectively routes calls to and from said multi-mode mobile stations through their associated conference bridges.