Appeal No. 2001-2055 Page 3
Application No. 08/750,870
be used for other call attempts, "which may then fail for lack of available capacity."
(Spec. at 4.)
In contrast, the disclosed invention enables a mobile user terminal to request a
call or other service directly from a service processor, without involving a switch unless
the service processor instructs the switch to participate. (Id.) The initial call or service
set-up uses signaling channels only, deferring the establishment and allocation of traffic
channels until an associated request is validated. (Id. at 7.)
A further understanding of the invention can be achieved by reading the following
claim.
6. A method of operating a switched mobile telecommunications
network, the method being such that all service requests are initially
directed from their originating network terminations by establishing a
signalling connection to a service processing means, without
establishment of a communications connection with a mobile network
termination, and the service processing means provides services to a
network termination over the signalling connections, the service
processing means also controlling switching means to establish a
communications connection with the network termination only if required
by the service requested.
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