| Model | 8851 |
| Telephone Type | IP Phone |
| Conference Call Capability | Yes |
| Voice Mail Capability | Yes |
| Speakerphone | Yes |
| Caller ID | Yes |
| Call Forwarding | Yes |
| Call Hold | Yes |
| Call Transfer | Yes |
| Message Waiting Capability | Yes |
| Volume Control | Yes |
| Hearing Aid Compatible | Yes |
| 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 |
Cisco IP Phone 8851 with MPP, TAA Compliant, PoE Support

Key Benefits
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- Designed for business-grade telephony with advanced call handling features and broad codec support.
- Power over Ethernet capability enables flexible and clutter-free installation in professional environments.
- TAA compliance positions it as an ideal choice for government and regulated sector procurement.
Product Overview
The Cisco IP Phone 8851 with Multiplatform Firmware (MPP) is a robust, enterprise-grade VoIP solution built for collaborative environments. Supporting advanced features like conferencing, voicemail, call forwarding, and speakerphone, this phone ensures efficient communication flow. Its extensive codec support (G.711, G.722, G.729, iLBC, iSAC, OPUS) guarantees optimized audio quality over VoIP networks. Featuring Power over Ethernet (PoE) for simplified setup and hearing aid compatibility for accessibility, it suits modern workplace demands. The device's TAA compliance enables it for U.S. federal use, and the included 1-year replacement warranty reflects Cisco's commitment to support and reliability.
Specifications
Primary Information
Service&Support
| Service & Support Type | 1-year replacement warranty |
UNSPSC Code
| UNSPSC Code | 43191511 |
Dimensions&Miscellaneous
| Width(Base) | 10.13 Inch |
| Height(Base) | 9.02 Inch |
| Depth(Base) | 1.57 Inch |
| Weight(Base) | 2.62 lbs. |
Special Feature
| COO | MEXICO |
| TAA compliance | Yes |