Cisco 8851 Phone

The Cisco IP Phone 8851 delivers a superior, user-focused experience to your organization.

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Service Level:

The Cisco IP Phone 8851 delivers a superior, user-focused experience to your organization. Cisco Intelligent Proximity integrates select telephony features with your personal mobile device. USB and Bluetooth support offer choices in accessories, and wideband audio provides high-quality voice communications. The 8851 adds to its value and return on investment with Cisco EnergyWise to reduce costs.


Features and Capabilities

The Cisco IP Phone 8851 is an ideal fit for knowledge professionals, administrative staff, managers, and executives within mid-sized to large businesses.

Key Features to Enhance User Experience

Get comprehensive and highly secure mission-critical Unified Communications features from on-premise or cloud-based Cisco communications servers.

With Cisco Intelligent Proximity, share contact lists and call history, and move the audio path of active voice and video calls from your smartphone and tablet** to the 8851, when in range of the desk phone.

Charge your personal smartphone with USB.

Get exceptional clarity in voice communications, however you wish to communicate. The 8851 phone offers high-quality, full-duplex, wideband (G.722) audio with superior echo cancellation on third-party headsets, the handset, and speakerphone.

Navigate menus more easily with a five-way navigation cluster. Recognize displayed content at a glance, under a variety of lighting conditions. The 8851 model offers a high-resolution, five-inch, widescreen backlit VGA (800 x 480 pixel) color display.

Increase responsiveness and productivity by adding more shared lines, speed dials, and custom feature keys, with support of up to two optional key expansion modules.

Easier and Cost-effective Administration

Reduce your installation and infrastructure costs. The 8851 IP Phone offers support for 802.3af/at Power over Ethernet (PoE) in place of local power supplies, and Gigabit Ethernet in support of multimedia traffic from a co-located PC.

Consolidate administration of software updates with IP phone firmware common to both Cisco IP Phone 8800 Series and IP Phone 7800 Series models.

Help reduce energy costs and carbon footprint in off-work hours, without the need for IT intervention, with Cisco EnergyWise options.

Specifications at a Glance

This phone includes:

  • Headset port
  • Fixed feature keys, including keypad, conferencing, transfer, hold, apps, directories, messaging
  • Support for up to 5 DN lines
  • 5 programmable line keys and 4 soft keys
  • Bluetooth, Gigabit Ethernet, Cisco Intelligent Proximity, USB port