Patent ID: 7512567
Filing Date: 2009-03-31
Classification: G06Q,G07C,H04L

Abstract:
1. A method for providing multi-factor authentication for payment transactions using a mobile device, the method comprising: receiving, from the mobile device, a text message for establishing a voice connection receiving a device identifier associated with the mobile device; determining if the device identifier corresponds to a registered device identifier; establishing the voice connection with the mobile device; receiving through the voice connection a voice sample of a consumer associated with the mobile device; comparing the voice sample with a registered voice sample associated with the mobile device; converting the voice sample into a text sequence; comparing at least a portion of the text sequence with a registered text sequence associated with the mobile device; generating an authorization identifier in response to comparing the at least a portion of the text sequence, to be presented by the consumer at a point of transaction; and transmitting the authorization identifier to the mobile device.