Patent ID: 8537834

Claim:
A system comprising: a first device, the first device having a first assigned temporary Internet Protocol (IP) session proxy destination address for a called party, an IP telephony session being between a calling party and the called party, the first device being connected between an IP telephony network and an asynchronous transfer mode (ATM) network, and the first device to: receive first IP traffic from the calling party, and route, to the called party, first ATM traffic that is based on the first IP traffic received from the calling party; and a second device, the second device having a second assigned temporary Internet Protocol (IP) session proxy destination address for the calling party, the second device being connected between the IP telephony network and the ATM network, and the second device to: receive second IP traffic from the called party, and route, to the calling party, second ATM traffic that is based on the second IP traffic received from the called party.