Patent ID: 8761184

Claim:
A voice network, comprising: a voice virtual private network (VPN); a server within the voice VPN for providing corporate voice calls within the voice VPN; a user terminal external to the voice VPN and directly coupled to a public network; and a voice VPN gateway coupled to the server via the voice VPN and coupled to the user terminal via the public network, wherein the voice VPN gateway: receives a registration request from the user terminal to receive corporate voice calls within the voice VPN, and sends user terminal information to the server to activate the user terminal; wherein the server: receives the user terminal information from the voice VPN gateway; receives a corporate voice call to the user terminal from a caller, and sends to the voice VPN gateway a first request for the voice call to the user terminal; wherein the voice VPN gateway comprises a voice VPN signaling mediator and a voice VPN session mediator, wherein the voice VPN signaling mediator: receives the first request for the voice call to the user terminal from the server, and sends a second request to the voice VPN session mediator to reserve resources at the voice VPN session mediator for the voice call, wherein the voice VPN session mediator: in response to receiving the second request from the voice VPN signaling mediator, reserves the resources for voice call, establishes with the server a server side voice session associated with the voice call using the resources reserved for the voice call, establishes with the user terminal the user side voice session associated with the voice call using the resources reserved for the voice call, and mediates voice signals of the voice call between the user side voice session and the server side voice session using the resources reserved for the voice call.