Products Cameras, VoIP & Video-Conferencing Cisco Desk Phone 9851, Firs...

Cisco Desk Phone 9851, First Light (White)

VENDOR: CISCO Mfg Part#: DP-9851-L-K9=
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$255.30
$255.30
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MSRP: $497.48
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  • Supports up to 6 lines with multiline operation capability
  • Advanced audio features including noise removal and full-duplex speakerphone
  • Wide codec support including OPUS, G.722, G.729, and G.711
  • SIP-based VoIP protocol compatibility for wide integration
  • Integrated caller ID, call forwarding, call transfer, voicemail, and conferencing
  • Single network port supporting IEEE 802.3i/802.3u/802.3ab standards

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Key Benefits

Eye-Insights
  • Built on PhoneOS platform with hot desking and desk reservation, ideal for dynamic workspaces
  • Enhanced audio clarity through full-duplex speakerphone and noise removal technologies
  • Comprehensive VoIP features with SIP support ensure broad deployment compatibility

Product Overview

The Cisco Desk Phone 9851 in First Light (White) is a feature-rich, enterprise-grade VoIP solution designed for today's flexible workspaces. Powered by PhoneOS, it supports desk reservation and hot desking, making it ideal for hybrid environments. With six-line support, a full-duplex speakerphone, and advanced noise removal features, the phone delivers clear call quality and seamless communication.

Its wide codec support including OPUS, G.722, G.729, and G.711, and use of the SIP protocol ensure compatibility with VoIP systems. The device includes standard business call features such as caller ID, conferencing, call forwarding, voicemail and message waiting indicator. It also offers volume control, status indicators, and is hearing aid compatible. Environmentally responsible and TAA compliant, the 9851 comes with a 1-Year Limited Hardware Warranty.

Specifications

Product Overview
Product Type Enterprise IP Phone
Model Cisco 9851
Multiline Operation Capability Yes
Lines Supported 6
Telephone Type Phone
Speakerphone Full-duplex speakerphone
Voice Mail Capability Yes
Conference Call Capability Yes
Message Waiting Capability Yes
Hearing Aid Compatible Yes
Power Source Power over Ethernet (PoE) or external power supply
Color White (First Light)
Weight (Base) 968 g

Physical & Environmental
Width (Base) 8.4 inch
Height (Base) 8.9 inch
Depth (Base) 1.9 inch
Mounting Options Desktop and wall-mount
Operating Temperature 0°C to 40°C (32°F to 104°F)
Storage Temperature -10°C to 60°C (14°F to 140°F)
Operating Humidity 10% to 90%, non-condensing

Cloud Management & Licensing
Operating System PhoneOS
Cloud Management Cisco Unified Communications Manager (UCM), Webex Calling
Hot-Desking Support Yes
Desk Reservation Feature Yes
Warranty 1-Year Limited Hardware Warranty

Interfaces
Network Ports Quantity 1
Network Protocols IEEE 802.3i/802.3u/802.3ab
VoIP Protocols SIP
Voice Codecs OPUS, G.722, G.722.2, iSAC, G.711(a-law/-law), G.729a/b, iLBC
Headset Port Yes, RJ-9 and USB
USB Ports 2 x USB Type-A
Ethernet Switch 10/100/1000 Mbps integrated switch
PC Port Yes

Compliance & Origin
Country of Origin (COO) China
TAA Compliance Yes
Certifications CE Mark, FCC Part 15 (CFR 47) Class B, UL/CSA 60950, RoHS

Advanced Security Features
Security Features Secure boot, Secure credential storage, SRTP for media encryption, HTTPS, TLS
Media Encryption Protocols SRTP, TLS
Access Control 802.1X authentication