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Cisco Systems Desk Phone 9851 First Light, White

 

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Cisco Systems
Part no DP-9851-L-K9=
Ascent part no 807450
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The Cisco Desk Phone 9851 - First Light is a VoIP desk phone featuring a backlit 3.7-inch color LCD display with 480 x 240 resolution, 6 programmable line keys, and support for multiple platforms including Cisco Unified Communications Manager (CUCM), Webex Calling, and third-party cloud services. It offers advanced features such as HD audio with AI noise removal, meetings, desk reservations, emergency notifications, Trusted Platform Module (TPM) 2.0 for security, ENERGY STAR certification, and construction from 74% post-consumer recycled plastic. Available in First Light (white) color, it provides flexible connectivity with USB-A, USB-C ports, dual Gigabit Ethernet, and PoE support.

Technical Specifications

Product NameCisco Desk Phone 9851 - First Light
ManufacturerCisco Systems
Model NumberDP-9851-L-K9=
Product LineCisco Desk Phone 9800 Series
Product CategoryPhones
DISPLAY
Size3.7-inch Color LCD
Resolution480 x 240 pixels
BacklitYes
AUDIO
HD AudioYes
AI Noise RemovalYes
Bass-Enhancing Acoustic EnclosureYes
Acoustic Echo CancellationYes
Voice Activity DetectionYes
LINE KEYS
Physical Line Keys6
Maximum Supported Lines46
SIP LinesYes
CONNECTIVITY
USB-A Port1 (0.5A/5V or 2.5W under PoE; 1A/5V or 5W with local power)
USB-C Port1 (0.5A/5V or 2.5W)
Ethernet Ports2 x RJ-45 (10/100/1000BASE-T)
Handset Port1 x RJ-9
PoEIEEE Class 3
Networking ProtocolsSIP, SDP, RTCP, RTP, SRTP, IPv4, IPv6
PHYSICAL
Dimensions8.9 in x 8.4 in x 1.9 in (H x W x D)
Weight3.35 lbs (34.14 oz)
ColorFirst Light (White)
Material74% post-consumer recycled plastic, ABS polycarbonate
LED IndicatorsFront Arc LED and Top 360 LED
ButtonsAction Button, Favorite Button, Calendar Button
SECURITY
Trusted Platform ModuleTPM 2.0
OtherTLS 1.3, Secure Boot, Image Authentication, Network Access Control
POWER
Display Off Mode0.27W (local power), 0.69W (PoE)
ENERGY STAR QualifiedYes
ENVIRONMENTAL
Operating Temperature32 to 104°F (0 to 40°C)
Nonoperating Temperature14 to 140°F (-10 to 60°C)
Humidity10 to 90% (operating)
OTHER
OSPhoneOS
KEM Support1 x KEM
Platform CompatibilityCUCM, Webex Calling, Broadworks, 3rd party cloud
Warranty Information1-year warranty
Overall SentimentLimited reviews available

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Please read our terms and conditions. We try very hard to make sure the specification and images on this page are accurate, but occasionally (and thankfully rarely) mistakes do happen. If you discover the product delivered is not as described, please let us know as soon as possible after delivery so we can correct the mistake and arrange for the product to be returned.

Cisco Systems
Part no DP-9851-L-K9=
Ascent part no 807450
  • Free NZ deliveryNo hidden fees
  • 100% Kiwi owned34 years in business
  • Net Promoter Score 94Rated by our customers
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