Cisco IP Phone 8851-W-K9=: Noise Cancellation, SIP Compatible & PoE Support
The Cisco CP IP Phone 8851-W-K9= is a high-performance conference phone designed for small to medium meeting rooms, delivering crystal-clear audio, seamless SIP compatibility, and Power over Ethernet (PoE) support. Ideal for businesses seeking professional voice collaboration, this Cisco IP conference phone ensures superior sound quality with advanced noise reduction and easy deployment.
Key Features & Benefits
✅ HD Voice & Noise Cancellation – Full-duplex wideband audio (G.722, Opus) with DSP-powered noise suppression for clear, echo-free calls.
✅ 360° Microphone Coverage – Three beamforming mics pick up voices up to 3 meters (10 ft) away.
✅ SIP & Multi-Platform Support – Works with Cisco Unified CM, Webex Calling, and third-party SIP systems (Zoom, Microsoft Teams).
✅ PoE & Wireless Options – 802.3af PoE for single-cable setup; optional Bluetooth/Wi-Fi adapter.
✅ 4.3" Touchscreen Display – Intuitive interface for call management, contacts, and speed dial.
✅ Enterprise-Grade Security – SRTP, TLS encryption for secure VoIP communications.
Technical Specifications (Cisco IP Phone 8851-W-K9=)
| Category |
Details |
| Audio Codecs |
G.711, G.722, G.729, Opus |
| Microphones |
3x directional beamforming mics |
| Display |
4.3" color touchscreen |
| Connectivity |
Gigabit Ethernet (PoE), optional Bluetooth/Wi-Fi |
| Protocols |
SIP, SCCP (Cisco) |
| Security |
SRTP, TLS, 802.1X |
| Power |
802.3af PoE or optional AC adapter |
| Mounting |
Desk/table or wall mountable |
Why Choose the Cisco 8851 Conference Phone?
This Cisco IP conference phone is perfect for huddle rooms, executive offices, and hybrid meetings, offering plug-and-play setup with enterprise-grade reliability. Its noise-canceling technology ensures professional call quality, while SIP compatibility makes it a flexible choice for diverse UC environments.
Best for: Businesses using Cisco UC, Webex, or SIP-based VoIP systems needing a scalable, high-quality conference phone.
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Cisco IP Phone 8851-W-K9= : Noise Cancellation , SIP Compatible & PoE Support Images
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