Appeal No. 2003-0247
Application No. 09/185,924
first unit can be a computer and the second unit can be a pager
or a two-way radio (col. 3, lines 3-7 and 30-34). Spawning the
communication service results in a message being directed at a
unit other than the second unit, such as the first unit or a
third unit associated with a third user (col. 2, lines 17-24;
col. 4, line 61 - col. 5, line 23).
Thro discloses, as an alternative embodiment, sending a
notification message to a server informing the server of the
failed call attempt (col. 2, lines 27-33). The determination of
whether a server is to be notified is made by either a different
server or the second communication unit (col. 4, lines 5-20).
Walton discloses a call forwarding device which is stationed
to the facility side of a telephone utility rotary switch and has
a separate rotary port wired to each of multiple rotary outlet
ports (col. 2, lines 31-34). Each rotary port is assigned a
separate device modem port which is connected with a separate
modem (col. 2, lines 34-37). A call inbound to one rotary port
from the rotary switch is routed to the rotary port’s assigned
modem port to ring its associated modem (col. 2, lines 42-45).
If the modem does not answer or is busied out, the call
forwarding device either reroutes the call to another of the
modems for answering, or dials out, via an available rotary port,
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