Multiplex communications – Communication over free space – Having a plurality of contiguous regions served by...
Reexamination Certificate
2005-12-12
2010-12-28
Kincaid, Lester (Department: 2617)
Multiplex communications
Communication over free space
Having a plurality of contiguous regions served by...
C455S436000, C455S437000, C455S438000, C455S444000, C370S328000, C370S329000, C370S330000
Reexamination Certificate
active
07860060
ABSTRACT:
During a communication session (101) for a multi-network user platform (which communication session is presently occurring in a first network and is terminable by a Session Initiation Protocol server as comprises a part of that first network), one establishes (102) in the first network a Session Initiation Protocol instance as corresponds to the communication session. Thereafter, and particularly following a handoff of the communication session from the first network to a second network, one uses (104) the Session Initiation Protocol instance to maintain communications with the Session Initiation Protocol server such that the Session Initiation Protocol server does not terminate the communication session.
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Idnani Ajaykumar R.
Liu Yi-Cheng
Panchal Rajendra A.
Promenzio Edgardo L.
Khan Mehmood B
Kincaid Lester
Motorola Inc.
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