POLY EDGE E300 IP PH POE-E MULTI 5HP Inc. Poly Edge E300 IP Phone Corded Corded Desktop, Wall Mountable Black VoIP 2 x Network (RJ 45) PoE Ports VPN: 82M92AA SKU: AG3184 UPC: 197497341409 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