Your Phone; The Cisco Wireless Ip Phone 8821 And 8821-Ex; Dns Server; Tftp Server - Cisco 8821 Administration Manual

Your Phone

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The Cisco Wireless IP Phone 8821 and 8821-EX

The Cisco Wireless IP Phone 8821 and 8821-EX are 802.11 dual-band wireless devices that provide
comprehensive voice communications in conjunction with Cisco Unified Communications Manager and with
Cisco Aironet and Cisco Meraki access points (APs) in a private business communications network.
The Cisco Wireless IP Phone 8821-EX is not currently supported.
Note
The phones provide voice communication over the same wireless LAN that your computer uses, allowing
you to place and receive phone calls, put calls on hold, transfer calls, make conference calls, and so on. Both
phones have Ingress Protection 67 (IP67) level protection, which indicates dust-tight equipment that is protected
against water (see below).
The Cisco Wireless IP Phone 8821-EX is certified for Potentially Explosive Atmosphere ATEX Class I Zone
2, North America Class I Division 2/Zone 2. The phone is certified for use in potentially explosive (hazardous)
environments where flammable gasses, vapors or liquids may be present for a short period of time or under
abnormal conditions. The phone has an industry-standard yellow styling that offers fast recognition in
emergency situations.
The following figure shows the Cisco Wireless IP Phone 8821 on the left and the Cisco Wireless IP Phone
8821-EX on the right.
The Cisco Wireless IP Phone 8821 and 8821-EX, page 1
New and Changed Information, page 10
Phone Firmware, page 10
Related Documentation, page 11
Documentation, Support, and Security Guidelines, page 12
Cisco Wireless IP Phone 8821 and 8821-EX Administration Guide for Cisco Unified Communications Manager
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