Appeal No. 2001-1185
Application No. 08/915,597 Page 9
unit to a different SO, the end path previously established is
changed; (c)each SO is connected to the PSTN 22; (d) no SO
services an area that extends over a boundary 40; (e) future
communications are directed through the temporarily assigned SO
rather than between the home SIM and the subscriber unit 24, and
(f) the serving SO updates its records to include the subscriber
unit location and any other data relevant to the service of the
subscriber unit through the SO.
From these teachings of Sowles, we find that when an
alternative SO is temporarily assigned in response to a call
to/from an a location outside of the subscriber units' home SIM
area, that the temporarily assigned SO (temporarily assigned by
the home SIM (col. 10, lines 7-14)) passes messages to and from
the alternative gateway or earth station, but that the home SIM
does not pass messages to and from the alternative earth station
while acting as the gateway into the terrestrial communication
system, as required by claim 1. Based upon our findings, supra,
that Sowles does not dislose the home SIM pases messages to/from
the alternative earth station while scting as gateway to the
terrrestrial commumication system, we consider the examiner's
conclusion to the contrary to be speculation, unsupported by
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