Cisco IP Phone 8851 Charcoal CP-8851-K9 in Original Box

SIP, SPD, UDP, GARP, DNS, TFTP, HTTPS, VLAN, RTP, RTCP, PPDP. Quality of Service (QoS) support. EAP-FAST, EAP-TLS, HTTPS, SRTP, SSH, SSL/TLS. IEEE 802.1Q, IEEE 802.1x, IEEE 802.3ab, IEEE 802.3af, IEEE 802.3at, IEEE 802.3i, IEEE 802.3u.

---