Appeall No. 1998-1398 Page 2
Application No. 08/400,637
(TELCO) via a landline. A landline telephone number assigned
to
the base station allows a user to place and receive telephone
calls within a limited range of the base station, e.g., within
a home.
Cellular telephone systems can provide radiotelephone
communications outside the range of cordless telephone
systems. Such cellular systems typically include mobile or
portable subscriber units and cellular base stations
connected to a TELCO via at least one cellular switching
network. Cellular telephone numbers respectively assigned to
each subscriber unit allow a user to place and receive calls
within a widespread range of the cellular base stations, e.g.,
within a metropolitan area.
Unfortunately, a user who moves between a cordless
telephone system and a cellular telephone system may miss an
incoming call routed to the system where he is not found.
Furthermore, purchasing and operating unique equipment for
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