The Cisco® IP Phone 8851 is a business-class collaboration endpoint that combines high-fidelity, reliable, secure, and scalable voice communications with Cisco Intelligent Proximity for telephony integration for personal mobile devices to support midsize to large enterprise businesses.
With the Cisco IP Phone 8851, you can increase personal productivity through an engaging user experience that is both powerful and easy-to-use. The IP Phone 8851 combines an attractive new ergonomic design with wideband audio for crystal clear voice communications, "always-on" reliability, encrypted voice communications to enhance security, and access to a comprehensive suite of unified communication features from Cisco communication servers.
Product Type | IP Phone |
Form Factor | Wall Mountable |
USB | Yes |
Input Voltage | 48 V DC |
Power Source | AC Adapter |
Height | 9" |
Width | 10.1" |
Depth | 1.6" |
Weight (Approximate) | 2.58 lb |
Limited Warranty | 1 Year |
Green Compliant | Yes |
Green Compliance Certificate/Authority | ENERGY STAR |
Number of Network (RJ-45) Ports | 2 |
Package Contents |
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Certifications & Standards |
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Network (RJ-45) | Yes |
Features | Messages, Hold, Call Resume, Call Transfer, Conference Call, Hearing Aid, Hands-free, Speed Dial, Message Waiting LED, Indicator, Security, Adjustable Display, Auto-answer, (BLF) Busy Lamp Field, Call Forwarding, Call History, Call Park, Call Pick-up, Date and Time, Call Waiting, Group Pick-up, Intercom, Music on Hold, Mute, Distinctive Ringing, Redial, Call Share, Voice Mail, Multilingual Menu, Bluetooth |
PoE (RJ-45) Port | Yes |
Screen Size | 5" |
Screen Resolution | 800 x 480 |
IP Phone Technology | VoIP |
Connectivity Technology | Cable |
Caller ID | Yes |
Speakerphone | Yes |
Voice Codec | G.711a, G.711u, G.722, G.729a, iLBC, iSAC |
Dialer Type | Keypad |
Screen Type | LCD |
Backlight | Yes |
Headset Port | Yes |
Communication Protocols | SIP, LLDP-PoE, SDP, DHCP, RTP, RTCP, LLDP, LLDP-MED, SRTP |
Quality of Service | 802.1Q VLAN Support, 802.1p/q |
Buttons & Keys Type | Programmable, Directory, Message, Line Select, Navigation, Hold Button, Call Transfer, Conference, Volume Control, Speaker, Headset, Mute |
License | Unified Communications Manager, Unified Communications Manager Express, User Connect License |