| Model | CISCO UC PHONE 8851 |
| Telephone Type | IP Phone |
| Multiline Operation Capability | YES |
| Voice Mail Capability | YES |
| Speakerphone | Full-duplex |
| Caller ID | YES |
| Call Forwarding | YES |
| Call Hold | YES |
| Call Transfer | YES |
| Message Waiting Capability | YES |
| Status Indicators | YES |
| Ringer Control | YES |
| Volume Control | YES |
| Hearing Aid Compatible | YES |
| Programmable Buttons Qty | 5 |
| Power Over Ethernet (PoE) Support | YES |
| Voice Codecs | G.711 a-law and mu-law, G.722, G.729a/b, Internet Low Bitrate Codec (iLBC), and Internet Speech Audio Codec (iSAC), G.722.1, G.772.2, OPUS |
| Key / Function Button | Line keys; Soft keys; Back and release keys; Four-way navigation and select keys; Hold/Resume, Transfer, and Conference keys; Messaging, Application, and Directory keys; Standard keypad; Volume-control toggle key; Speakerphone, headset, and mute keys |
Cisco IP Phone 8851 NR, 5-Line, WVGA Display, PoE, Charcoal

Key Benefits
AI-Powered Summaries from Online Customer Reviews
Eye-Insights™ are generated by proprietary AI that analyzes real online customer reviews to highlight top pros and key product features. While we aim for accuracy, insights are provided “as-is” and individual results may vary.
- Delivers clear, vibrant display and intuitive navigation for improved user productivity
- Built-in security and rich codec support ensure high voice quality and protected communication
- PoE support and dual Ethernet ports help reduce cabling and streamline desktop deployment
Product Overview
The Cisco IP Phone 8851 NR is a professional-grade VoIP solution featuring five programmable lines and multiple communication protocols such as SIP and SRTP. Its 5-inch color LCD display with 800x480 resolution offers excellent clarity for a user-friendly experience. Connectivity includes 2x Gigabit Ethernet ports, PoE support, and integrated Bluetooth with PBAP and HFP profiles. Designed for flexibility, it supports wall or table mounting and expansion modules. With TAA compliance, advanced voice codecs, and strong security protocols like IEEE 802.1X, this model is ideal for scalable enterprise communication deployments.
Specifications
Primary Information
Special Feature
| COO | MEXICO / UNITED STATES |
| TAA compliance | Yes |
Dimensions&Miscellaneous
| Width(Base) | 10.13 Inch |
| Height(Base) | 9.02 Inch |
| Depth(Base) | 1.57 Inch |
| Weight(Base) | 2.62 lbs. |
UNSPSC Code
| UNSPSC Code | 43191511 |