Patent ID: 9014137
Filing Date: 2015-04-21
Classification: H04W

Abstract:
1. A method to facilitate access terminal handoff between access networks, the method comprising: receiving, at a first access network (AN), a handoff request and an access channel message from an access terminal (AT), wherein the access channel message includes information corresponding to a communication session between a second AN and the AT, wherein the communication session includes at least an active personality negotiated with the second AN; obtaining multiple personalities, associated with the AT, previously negotiated by the first AN; determining if one of the multiple obtained personalities is substantially similar to the active personality; upon a determination that one of the multiple obtained personalities is substantially similar to the active personality, transferring the communication session to the first AN with the obtained personality substantially similar to the active personality, wherein transferring the communication session comprises determining if the transferred communication session and the communication session between the second AN and the AT have the same index for the active personality; receiving, from the second AN, session information corresponding to one or more inactive personalities indexed in the communication session between the second AN and the AT; determining if any of the one or more inactive personalities indexed in the communication session between the second AN and the AT are substantially similar to any of the multiple obtained personalities previously negotiated by the first AN; upon a determination that at least one of the one or more inactive personalities indexed in the communication session between the second AN and the AT is substantially similar to at least one of the multiple obtained personalities, transmitting instructions to the AT to reindex the at least one inactive personality that is substantially similar to the at least one obtained personality; and receiving acknowledgement of any inactive personality index changes from the AT.