Patent ID: 8620666

Claim:
A method for authenticating a user in a network system via voice biometrics, comprising: storing a voiceprint of a first user; assigning one or more of a plurality of interactive voice response applications as an attribute of the voiceprint; assigning an expiration age as an attribute of the voiceprint; receiving an attempt for access to an application service by a user; determining if the application service is provided by an assigned one of the plurality of interactive voice response applications; when the application service is determined to be an assigned one of the plurality of interactive voice response applications: identifying the voiceprint as associated with an identity of the first user and the attempt for access to the application service; obtaining a voice sample from the user; performing an evaluation of vocal characteristics of the voiceprint with vocal characteristics of the voice sample; and determining that the user is one of the first user or a fraudulent user based on results of the evaluation of vocal characteristics of the voiceprint with vocal characteristics of the voice sample.