Appeal No. 1997-2700
Application 08/307,249
and method for preventing fraudulent telephone calls in a
telecommunications network. More particularly, Appellant
indicates at pages 2 and 3 of the specification that, on a
successful comparison by a voice recognition device of a
caller’s spoken utterance with a stored voice print, a call is
completed to its destination. If the voice print and
utterance do not match, various risk factors associated with
the call are considered for determining whether the call is to
be completed.
Claim 1 is illustrative of the invention and reads as
follows:
1. In a telecommunications network, a system for preventing
fraudulent telephone calls comprising:
means for identifying a call being placed by a caller to
a destination over said network;
means for prompting said caller to speak an utterance;
means for recognizing said utterance spoken by said
caller;
verification means for comparing the voice of said caller
against a prestored voice signature of an authentic caller
corresponding to said utterance to determine if said caller is
said authentic caller; and
means for providing at least one risk factor relating to
said call to said verification means when the voice of said
2
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