Cisco Unified 9951 IP Phone - Charcoal - VoIP - Caller ID - Speakerphone - 2 x Network (RJ-45) - USB - PoE Ports - Color - SIP, RTCP, TLS, SRTP, DHCP, LLDP-PoE, CDP Protocol(s)

Enjoy crystal-clear voice calls traveled over the internet with the efficient VoIP technology Electrical power and data are transmitted using a single cable to devices such as Access Points, IP cameras or IP phones