Patent ID: 8593978
Filing Date: 2013-11-26
Classification: G06Q,H04L,H04M

Abstract:
1. A peer-to-peer system, comprising: an administration node interconnected with a calling end-user device and a called end-user device via a peer-to-peer communication structure, the administration node configured to issue a user identity certificate to the calling end-user device responsive to the calling end-user device subscribing to the peer-to-peer system, and to issue an additional user identity certificate to the called end-user device responsive to the called end-user device subscribing to the peer-to-peer system; the user identity certificate configured to be provided by the calling end-user device to the called end-user device prior to commencing a call to the called end-user device as proof of subscription to the peer-to-peer system, and the additional authorization certificate configured to be provided by the called end-user device to the calling end-user device prior to commencing the call as proof of subscription to the peer-to-peer system; wherein prior to commencing the call, the additional user identity certificate enables verification by the calling end-user device that the called end-user device is subscribed to the peer-to-peer system, and the user identity certificate enables verification by the called end-user device that the calling end-user device is subscribed to the peer-to-peer system; and wherein the call can be established if the user identity certificate and the additional user identity are verified.