CISCO IP PHONE 8851 REMANUFACTUREDCisco 8851 IP Phone Remanufactured Desktop, Wall Mountable VoIP Unified Communications Manager, Unified Communications Manager Express, User Connect License 2 x Network (RJ 45) PoE Ports VPN: CP 8851 K9 RF SKU: 92841Z 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