The Cisco 6851 IP Phone offers all features of Cisco 6800 Series. A cost-effective and high-quality team designed to improve your company's communications and reduce costs thanks to the advantages of its VoIP technology.
This 6800 series in particular, combines an ergonomic design with security of its communications. All phones in this series offer advanced IP telephony and broadband audio features and an easy-to-use interface to optimize call control hosted by third parties. Specifically, the model 6851 offers 4 lines and is available in gray.
Key features
4 lines
Display: 396x162px LCD backlit; 3.5''
IEEE 802.3af PoE (Class 2)
BLF keys
Energy Star Certification, with standard savings option to reduce energy comsumption after hours and increase energy efficiency.
Intuitive and user-friendly interface
Headphone connection RJ9
Compatible with hearing aids (HAC) and meets the loudness requirements of the Federal Communications Commissions (FCC) for the Americans with Disabilities Act (ADA).
Light indicators for audio path keys (headset and speaker), selection key, line keys and message waiting.
Volume control
Full Duplex
It has an EHS port
Codecs: G.711G.711 (A-law andm-law), G.722.2, G.722, G.729ab, ILBC, iSAC, OPUS
Lines4 SIP
BLFYes
RJ45 ports2xRJ-45 10/100/1000Base-T Ethernet
Headset connectorRJ-9
SIP accounts4
PoEIEEE 802.3af PoE (Class 2). Power Consumption does not exceed 6.89W.
Power supply5V DC is required; it can be supplied locally at the desktop using one of the optional AC-to-DC country-specific power supplies (such as the CP-6800-PWR-NA for North America).
Touch screenNo
Color displayNo
DisplayWhite backlit, 3.5-in., 396x162px
HandsFreeFull Duplex
Audio CodecG.711 (A-law andm-law), G.722.2, G.722, G.729ab, ILBC, iSAC, OPUS
Power over Ethernet (PoE)IEEE 802.3af PoE (Class 2)