Patent ID: 6085086
Filing Date: 2000-07-04
Classification: G06F,H04W

Abstract:
A method of call processing in a communications network, said network including mobile stations adapted for wireless communication with nodes in a fixed portion of said network, said method comprising the steps of:establishing at least one user agent, each user agent being operative to mimic signaling functions of an associated one of said mobile stations and being disposed at a signaling server operated at a node in said fixed portion of said network, said node being in wireless communications with said mimicked mobile station;causing said user agent to interface with one or more other nodes in said network in behalf of said mimicked mobile station, for negotiation of signaling parameters in respect to a communications link to be established between said mobile station and said one or more other nodes; andupon movement of said mimicked mobile station from a first region, wherein wireless communication is maintained with a first signalling server having said user agent disposed thereat, to a second region wherein wireless communication is maintained with a second signaling server operated at another of said nodes in said fixed portion of said network, migrating said user agent to said second signaling server.