Patent ID: 9014176
Filing Date: 2015-04-21
Classification: H04L,H04M

Abstract:
1. Process for controlling the access of a user to a service provided in a data network, to protect user data stored in a data base of the service from unauthorized access, the method comprising: (a) inputting, in a VoIP session, a voice sample of the user at a user data terminal which is at least temporarily connected to the data network, (b) processing, in a first processing step, the user's voice sample using a dedicated client implemented at the user data terminal, to obtain a pre-processed voice biometric sample or a current voice profile of the user, (c) further processing, in a second processing step, the pre-processed voice biometric sample or the current voice biometric profile, including a comparison step of the current voice biometric profile with an initial voice biometric profile stored in a data base, (d) outputting an access control signal for granting or rejecting access to the service, taking into account a result of the comparison step, and after step (b) the pre-processed voice biometric sample or the voice profile is transmitted to a voice authentication server via the data network, the second processing step (c) is carried out at the authentication server, and the authentication server outputs the access control signal to a server of the service.