• Cisco 8841 VoIP desk phone in white with color LCD and HD audio
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Cisco

Cisco DP-9851-L-K9 | Desk Phone 9851 IP Phone, 6 Lines, PoE, First Light

DP-9851-L-K9

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Description

The Cisco Desk Phone 9851 is a VoIP IP phone with a 3.7-inch backlit colour LCD, 6 physical line keys and Cisco HD audio with AI-based noise removal. It includes a 2-port Gigabit Ethernet switch for LAN and PC connection and is powered by IEEE 802.3af PoE class 3. This First Light (white) colour variant suits office desks, reception areas and shared workspaces, and supports handset, headset and full-duplex speakerphone use.

Enquire with XS Network Tech for new or used pricing and availability.

Features

- Cisco HD audio, TIA-810/920 and ETSI ES 202 737/738/739/740 compliant
- Cisco Smart Audio with AI-based background noise and voice removal on the sending side
- Hearing Aid Compatible (HAC) handset
- Ultrasonic support
- Action button, Calendar button and Favorite button
- Custom wallpaper and logo
- Always-use-multi-line mode
- xAPI and Cisco Smart Power Framework
- Carbon emission insights reported to Webex Control Hub
- EnergyStar, EU Lot-6 and EU Lot-26 compliant

Warranty

All products sold by XS Network Tech include a 12-month warranty on both new and used items. Our in-house technical team thoroughly tests used hardware prior to sale to ensure enterprise-grade reliability.

All technical data should be verified on the manufacturer data sheets.

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Technical Specifications

FAQs

Technical Specifications

- 3.7-inch colour LCD, 480 x 240 resolution, backlit
- 6 physical line keys; up to 46 supported line/programmable line keys
- Up to 130 SIP lines for CUCM and Webex Dedicated Instance; 16 for Webex Calling and Open SIP platforms
- Internal 2-port Gigabit Ethernet switch (10/100/1000BASE-T, RJ-45) for LAN and PC
- IEEE 802.3af Power over Ethernet class 3, or Cisco Power Adapter 3; input rating 0.42A, 48V DC
- 1 x USB-A port (0.5A at 5V under PoE) and 1 x USB-C port
- Wideband-capable HAC handset (RJ-9), full-duplex speakerphone and headset support
- Codecs: OPUS, G.722, G.722.2, iSAC, G.711 (a-law/mu-law), G.729a/b, iLBC
- Dimensions (H x W x D): 226.0 x 214.0 x 49.4 mm
- Weight: 968 g
- Supports one 9800 Key Expansion Module (KEM) via USB-A
- No built-in Wi-Fi or Bluetooth
- Display-off power: 2.82W (local power) / 2.69W (PoE); deep sleep: 0.27W (local power) / 0.69W (PoE)
- Colour: First Light (white)

FAQs

Q: How is the Cisco Desk Phone 9851 powered?
A: It is powered by IEEE 802.3af Power over Ethernet class 3, or alternatively by the Cisco Power Adapter 3. The input rating is 0.42A at 48V DC.

Q: Can I connect a PC through the phone?
A: Yes. The phone has an internal 2-port Gigabit Ethernet switch (10/100/1000BASE-T, RJ-45), so one port connects to the LAN and the other to a PC.

Q: Does the 9851 have built-in Wi-Fi or Bluetooth?
A: No. The Desk Phone 9851 has no built-in Wi-Fi or Bluetooth. It connects over wired Ethernet and supports headsets through its headset connection and USB ports.

Q: Can I add a key expansion module?
A: Yes. The phone supports one Cisco 9800 Key Expansion Module (KEM), which connects via the USB-A port.

Q: What is the difference between this SKU and other Desk Phone 9851 variants?
A: This SKU is the First Light (white) colour variant. The core hardware, 3.7-inch colour display, 6 line keys and Gigabit switch are shared across the Desk Phone 9851 range.

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