Appeall No. 1998-1398 Page 26
Application No. 08/400,637
Giving the claims their broadest reasonable interpretation,
the limitations recite generating a three way call in response
to detecting movement of a cellular cordless telephone between
a cellular telephone system and a cordless telephone system.
The Gillig references would have suggested the
limitations. Specifically, Figure 8 of each of the references
shows a process for automatically transferring a call in-
process on a cellular cordless telephone (CCT) between a
cellular telephone system and a cordless telephone system.
The process includes detecting movement of the CCT from the
cellular system to the cordless system (706) and vice versa
(708). In response to the detection, the process transfers a
cellular call to the cordless system (718) or a cordless call
to the cellular system (714), respectively. Figure 7 of each
of the Gillig references, moreover, shows generating a three
way call (616). In addition, the appellants admit that it was
known to use three way calling to solve the problem of a user
who moves between a cordless telephone system and a cellular
telephone system missing an incoming call routed to the system
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