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.
Controls/Indicators
| Buttons & Keys Type |
Programmable |
| Directory |
| Message |
| Line Select |
| Navigation |
| Hold Button |
| Call Transfer |
| Conference |
| Volume Control |
| Speaker |
| Headset |
| Mute |
General Information
| Manufacturer |
Cisco Systems, Inc |
| Manufacturer Part Number |
CP-8851-K9= |
| Manufacturer Website Address |
http://www.cisco.com/c/en_au |
| Brand Name |
Cisco |
| Product Series |
8800 |
| Product Model |
8851 |
| Product Name |
8851 IP Phone |
| Product Type |
IP Phone |
Interfaces/Ports
| Network (RJ-45) |
Yes |
| Number of Network (RJ-45) Ports |
2 |
| USB |
Yes |
| Headset Port |
Yes |
| PoE (RJ-45) Port |
Yes |
Management & Protocols
| Communication Protocols |
SIP |
| LLDP-PoE |
| SDP |
| DHCP |
| RTP |
| RTCP |
| LLDP |
| LLDP-MED |
| SRTP |
| Quality of Service |
802.1Q VLAN Support |
| 802.1p/q |
Physical Characteristics
| Product Color |
Charcoal |
| Form Factor |
Wall Mountable |
| Height |
229.1 mm |
| Width |
257.3 mm |
| Depth |
39.9 mm |
| Weight (Approximate) |
1.17 kg |
Power Description
| Input Voltage |
48 V DC |
| Power Source |
AC Adapter |
Display & Graphics
| Screen Type |
LCD |
| Backlight |
Yes |
| Screen Size |
12.7 cm (5") |
| Screen Resolution |
800 x 480 |
Miscellaneous
Technical Information
| Handset Connectivity Technology |
Corded/Cordless |
| Base Unit Connectivity Technology |
Corded |
| IP Phone Technology |
VoIP |
| Wireless Technology |
Bluetooth |
| Total Number of Phone Lines |
5 |
| Dialer Type |
Keypad |
| Caller ID |
Yes |
| Speakerphone |
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 |
| Voice Codec |
G.711a |
| G.711u |
| G.722 |
| G.729a |
| iLBC |
| iSAC |
