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Cisco IP Phone 8851view expanded image

Bring Desk and Mobile Experiences Closer Together

Get easy-to-use, highly secure, and powerful VoIP communications that meet your mission-critical needs with the Cisco IP Phone 8851. It offers telephony feature integration with personal mobile devices and also offers flexible deployment options: CCisco on-premises, hosted, Webex Calling, and third-party call control offer flexible deployment options.

Voice Collaboration for All Users

Enjoy superior voice collaboration at your desk regardless of location. (1:51 min)

Features and Capabilities


An Enhanced User Experience

Key features of the IP Phone 8851 include:

Simpler, More Cost-Effective Administration

Administration benefits include:

  • Flexible deployment options include Cisco on-premises, hosted, and Webex Calling.
  • Cisco Expressway gives remote workers single sign-on access without need for a VPN client
  • Cisco EnergyWise reduces energy cost and carbon footprint in off-work hours
  • Gigabit Ethernet and 802.3af/at Power over Ethernet reduce installation and infrastructure costs
  • Cisco Webex Phone OS consolidates administration with common software to both IP Phone 8800 Series and IP Phone 7800 Series

*Telephony features will vary by vendor platform. Consult your Cisco representative for timing availability and feature details.

**Uses Bluetooth technology. For customers seeking the IP 8800 Key Expansion Module, but whose environments do not permit Bluetooth radios, a non-Bluetooth equipped version of the 8851 that supports the modules is available.

***Consult your preferred third-party headset vendor for compatible headsets on the IP Phone 8851.


Specifications at a Glance

Attribute Specification

Programmable line and feature keys

5

Display

5-inch widescreen VGA (800x480 pixel), 24-bit color

Integrated switch

10/100/1000

Wideband audio

G.722 on handset, speakerphone, and headset

Personal mobile device integration

Yes; (Cisco Intelligent Proximity for Mobile Voice)

Headset ports

RJ-9; auxiliary port, USB, Bluetooth

Wall-mount option

Yes

IP Phone 8800 Key Expansion Module

Optional; Up to two (72 additional keys)

Video Data Sheet

Get an overview of the Cisco IP Phone 8800 Series and how HD video and VoIP communications can increase your productivity. (8:08 min)

Hearing Is Believing

Enjoy vibrant sound, all-day comfort, and more with the new Cisco Headsets.

Contact Cisco

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