VoIP phone - SIP, RTCP, RTP, SRTP, SDP - 5 lines - charcoal
| Main Specifications | |
|---|---|
| Product Description | Cisco IP Phone 8851 - VoIP phone |
| Product Type | VoIP phone |
| Compatible Platforms | Cisco Business Edition 6000 |
| Main Features | Multiple VoIP protocol support, integrated Ethernet switch |
| VoIP Protocols | SIP, RTCP, RTP, SRTP, SDP |
| Voice Codecs | G.722, G.729a, G.711u, G.711a, iLBC, iSAC |
| Lines Supported | 5 lines |
| Intercom | Yes |
| Speakerphone | Yes (digital duplex) |
| Call Services | Voice Mail, Caller ID, Call Waiting, Call Forwarding, Call Transfer, Call Hold, Message Waiting Capability |
| Display | LCD display - color - Yes |
| Network Ports Qty | 2 x Ethernet 10Base-T/100Base-TX/1000Base-T |
| Compatible Software | Cisco Unified Communications Manager 8.5.1 or later, Cisco Hosted Collaboration Solution, Cisco Unified Communications Manager Express 10.0 or later |
| Body Color | Charcoal |
| General | |
| Product Type | VoIP phone |
| Compatible Platforms | Cisco Business Edition 6000 |
| Body Color | Charcoal |
| Body Material | ABS plastic |
| Miscellaneous | |
| Connections | Headset jack / RJ-9 ¦ Electronic hook switch (EHS) ¦ USB |
| Hearing Aid Compatible | Yes |
| Placing / Mounting | Wall-mountable, table-top |
| Cables Included | Handset cord - 1.8 ft |
| Display | |
| Type | LCD display - color |
| Display Location | Base |
| Diagonal Size | 5" |
| Display Resolution | 800 x 480 pixels |
| Color Depth | 24-bit (16.7 million colors) |
| Backlit | Yes |
| Phone Features | |
| Call Services | Voice Mail, Caller ID, Call Waiting, Call Forwarding, Call Transfer, Call Hold, Message Waiting Capability |
| Key Expansion Module Max Qty | 2 |
| Dialer Type | Keypad |
| Dialer Location | Base |
| Conference Call Capability | Yes |
| Intercom | Yes |
| Speakerphone | Yes (digital duplex) |
| Voice Recording | Yes |
| Programmable Buttons Qty | 5 |
| Indicators | Voice message waiting indicator, speakerphone indicator, headset |
| Additional Functions | Call timer, Intercom |
| Additional Features | Music on hold |
| Dimensions & Weight (Base) | |
| Width | 10.1 in |
| Depth | 1.6 in |
| Height | 9 in |
| Weight | 2.6 lbs |
| IP Telephony | |
| Main Features | Multiple VoIP protocol support, integrated Ethernet switch |
| VoIP | Yes |
| VoIP Protocols | SIP, RTCP, RTP, SRTP, SDP |
| Voice Codecs | G.722, G.729a, G.711u, G.711a, iLBC, iSAC |
| Lines Supported | 5 lines |
| Quality of Service | IEEE 802.1Q (VLAN), IEEE 802.1p |
| IP Address Assignment | DHCP, static |
| Security | IEEE 802.1X, TLS |
| Power Over Ethernet (PoE) Support | Yes |
| Network Protocols | IP, TFTP, UDP, Cisco Discovery Protocol (CDP), HTTP, DNS, HTTPS, SRTP, Link Layer Discovery Protocol - Media Endpoint Discovery (LLDP-MED), RTCP, RTP |
| Network Ports Qty | 2 x Ethernet 10Base-T/100Base-TX/1000Base-T |
| Compatible Software | Cisco Unified Communications Manager 8.5.1 or later, Cisco Hosted Collaboration Solution, Cisco Unified Communications Manager Express 10.0 or later |
| Network Features | Class 3 PoE |