Patent ID: 8121839
Filing Date: 2012-02-21
Classification: G10L,H04L

Abstract:
1. A method of determining an identity of an entity placing a telephone call by an anti-SPX service to detect whether an unsolicited telephone call is a Spam Over Internet Telephony (SPIT) telephone call, the method comprising the steps of: analyzing, by the anti-SPX service, signaling information associated with the telephone call; obtaining, by the anti-SPX service, a voice sample associated with the entity placing the telephone call; performing, by the anti-SPX service, a voice recognition process on the voice sample to obtain a voice signature associated with the entity placing the telephone call; comparing, by the anti-SPX service, the voice signature against voice signatures of entities known to place SPIT be telephone calls; and determining, by the anti-SPX service, if the telephone call is likely to be a SPIT telephone call from the result of analyzing the signaling information and the result of the voice signature comparison.