Cisco Wireless IP Phone 8821-EX

NOTE: This product is no longer being sold.

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Cisco Wireless IP Phone 8821-EXview expanded image

Resilient VoIP Communications Wherever You Are

Get business-grade, comprehensive VoIP communications for your on-campus and at-home mobile workers in 802.11 WLAN networks. The Cisco Wireless IP Phone 8821-EX builds upon the IP Phone 8821. It adds industry-standard yellow plastics that seal it from dust, dirt, water, and chemicals, and make it easy to recognize quickly.

Targeted availability based on ATEX and CSA compliance testing is Q1 CY2019.

Deliver high-quality, Wi-Fi VoIP to your mobile campus workers.

Features and Capabilities

The 8821-EX is ideally suited to physically active users, who, given their work roles, may not be assigned a permanent desk, may share a desk with colleagues, or may even have a their own desks, but often need to step away from them during their work shifts. Example use cases include:

  • Nurses and doctors in healthcare
  • Operations and engineering personnel in manufacturing
  • IT help desk staff and customer service representatives in retail
  • Emergency response personnel in the public sector

The 8821-EX offers all of the features of the Wireless IP Phone 8821. In addition, ATEX Class 1, Zone 2 and CSA Division 1,Class 22 compliance mean the 8821-EX is protected when temporarily operated in combustible environments.

Unique to the 8821-EX are its industry-standard yellow plastics, which make it easy to spot. This is particularly useful in emergency situations.

User Features

  • Bluetooth 4.0 to support hands-free communications
  • Ruggedized, military-standard 810G exterior for added shock resistance if dropped
  • IP67 rated for water immersion up to 1 meter (3.3 feet) and resistance to dust
  • Support for Extensible Markup Language (XML) applications, such as push-to-talk, for added user convenience
  • Easily removable, exchangeable, and chargeable batteries to maintain full connectivity and communications support

Administration and Management Features

  • Latest WLAN networking protocol support with 802.11a, b, g, n and ac and roaming with 802.11r
  • Easier setup in seconds with USB-to-Ethernet dongle downloads of WLAN profiles
  • Enterprise-grade security with stronger encryption using 802.1x EAP-TLS and SHA2
  • Full range of accessories including desktop and multi-unit chargers, cases, belt clips, and more
  • Common Phone OS with other 8800 Series endpoints to reduce time and management cost

Specifications at a Glance

Attribute Specification


2.5-in (6.5 cm) color graphical TFTP


Yes (full duplex)


4.0; hands-free audio;

WLAN networking protocols

802.11a,b,g, n and ac

Battery rechargeable / talk time

Rechargeable; talk time up to 13 hours; standby –- 240 hours

Applications support

Extensible Markup Language (XML)


Desktop and multibattery chargers, belt clips, handset cases, lanyards

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