Patent ID: 9544770
Date: 2017-01-10
CPC Classifications: H04L,H04W

Claim:
1. An authentication server implemented on a system for authenticating a first user to a second user, wherein the first user and the second user are one of a caller and a callee and are in communication over a voice channel and wherein the authentication server is a third party to the first user's communication device and the second user's communication device, the authentication server comprising: a processor and a memory, the memory storing executable instructions which, when executed on the system by the processor, cause the system to use a data channel transmission to authenticate a current voice channel communication in a mobile network environment between the first user and the second user by: receiving an authentication request over the data channel from the first user substantially concurrently with the voice channel communication between the first user and the second user, the authentication request requesting authentication of the first user to the second user after communication between the first user and the second user has been initiated and established over the voice channel; authenticate the first user according to the authentication request; in response to successfully authenticating the first user, sending a message to the second user authenticating the first user; determining that authentication of the second user to the first user is requested; receiving a confirmation message from the second user to authenticate the second user to the first user; authenticating the second user according to the confirmation message from the second user, and providing authentication results of the second user to the first user.