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Superior VoIP Communications Wherever You Are

Get highly secure, reliable, hiqh-quality, and comprehensive 802.11 Wi-Fi VoIP communications for your on-campus mobile and at-home workforce. The Cisco Wireless IP Phone 8821 comes with a resilient, sealed, and ruggedized exterior and extended-life batteries. That makes it ideal for highly-active use settings, as in healthcare, manufacturing, retail, oil, and chemical industries.

Video Data Sheet

Deliver high-quality, in-campus, mobile VoIP communications to your workers.

Features and Capabilities

Improve your mobile VoIP communications experience, when on the go within the campus. The Wireless IP Phone 8821 is designed for the more physically active user who may not be assigned a desk, may share a desk with colleagues, or may have a desk, but often needs to step away from it during a work shift.

DriverDownload Wlan Mobile Phones & Portable Devices Driver

Targeted for businesses of all sizes that have deployed 802.11 Wireless LAN networks, the 8821 is ideal for professionals on shifts, such as:

  • Doctors, nurses, and technicians in healthcare
  • Customer service and help desk staff in retail
  • Managerial and engineering staff within manufacturing, oil, and chemical industries

User Features

  • IP67 rated for water immersion up to 1 meter (3.3 feet) and dust-tight resistance
  • Compliant to military-standard 810G exterior for added shock resistance, if dropped
  • Has removable, swappable, and chargeable batteries to keep you in constant contact
  • Equipped with Bluetooth 4.0 for hands-free communications with your choice third-party headsets
  • Support for popular applications, such as push-to-talk, for added user convenience

IT 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 costs
Download Wlan Mobile Phones & Portable Devices Driver

Specifications at a Glance



2.4-in (6 cm) color graphical TFT


Yes; full duplex



WLAN networking protocols

802.11a,b,g, n, ac

Battery rechargeable / talk time

Yes; talk time: 13 hours; standby: 240 hours

Applications support

Extensible Markup Language (XML)


Desktop and multi-chargers, belt clips, handset cases, lanyards, holsters

Improve Team Performance

Boost the value of IT investments with Cisco IP Phones. (PDF - 3 MB)

Data Sheets and Literature
(All Cisco IP Phone 8800 Series Brochures)
Data Sheets
(All Cisco IP Phone 8800 Series Data Sheets)
Cisco Unified IP Conference Phone 8831 Data Sheet
End-of-Life and End-of-Sale Notices

Device Wlan Setting

(All Cisco IP Phone 8800 Series End-of-Life and End-of-Sale Notices)
End-of-Sale and End-of-Life Announcement for the Cisco Select IP Conference Phone 8831 for on-premise and accessories
White Papers

Wlan Device Manager

(All Cisco IP Phone 8800 Series White Papers)

Download Wlan Driver For Hp

Report - Listening Test on Teleconference Devices (PDF - 4 MB)