J159 IP PHONE ACOAvaya J159 IP Phone Corded Corded Desktop, Wall Mountable VoIP 2 x Network (RJ 45) PoE Ports VPN: 408967 SKU: 533A5R UPC: Enjoy the internet to its max and get cost effective voice communication to areas like lobbies, guest rooms, and conference halls Uses VoIP technology to transfer audio signals over the Internet while circumventing high toll charges by telephone companies Electrical power and data are transmitted using a single cable to devices