Cisco 6851 IP Phone - Corded - Corded - Wall Mountable, Desktop - Charcoal - 4 x Total Line - VoIP - Caller ID - Speakerphone - 2 x Network (RJ-45) - PoE Ports - Monochrome - SIP, IPv4, DHCP, SNTP, NAT, STUN, UDP, TCP, LLDP, SRTP, TLS, .. Protocol(s)

With PoE port, transfer data and power on a single cable to places where a power outlet is absent Enjoy the internet to its max and get cost-effective voice communication to areas like lobbies, guest rooms, and conference halls Enjoy crystal-clear voice calls traveled over the internet with the efficient VoIP technology