Appeall No. 1998-1398 Page 27
Application No. 08/400,637
where he is not found. Specifically, “[i]n the prior art,
landline and cellular telephone companies have provided a
solution to this problem with features known as ... Three Way
Calling.” (Spec. at 2.)
Because the Gillig references disclose generating a three
way call and also detecting movement of the CCT from the
cellular system to the cordless system and vice versa, and the
prior art used 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 where he is not found, we are persuaded that the
teachings from the prior art would have suggested the claimed
limitations of "detecting movement of the cellular cordless
telephone between the cellular telephone system and the
cordless telephone system; and automatically generating a
three way call ... responsive to the step of detecting."
Therefore, we affirm the rejection of claims 27 and 29 as
obvious over Gillig ‘230, Gillig ‘042, Gillig ‘558, or Gillig
‘674.
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