Tolerance of antibacterial and alcohol-based wipesĬisco Wireless IP Phone 8821: IP54 protection, which indicates dust-tight equipment that is protected against water (see below)Ĭertified for use in Potentially Explosive Atmosphere: Resistance to damage from dropping the phone They have ridges on the sides of the 5 key that The phones are hearing aid compatible (HAC) but do not have any TTY features. The phones also support uncompressed wideband (16 bits, 16 kHz) audio. These phones, like other network devices, must be configured and managed. The following figure shows the Cisco Wireless IP Phone 8821 on the left and the Cisco Wireless IP Phone 8821-EX on the right. That offers fast recognition in emergency situations.

The phone has an industry-standard yellow styling May be present for a short period of time or under abnormal conditions. The phone is certified for use in potentially explosive (hazardous) environments where flammable gases, vapors or liquids The Cisco Wireless IP Phone 8821-EX is certified for Potentially Explosive Atmosphere ATEX Zone 2 IP54 (pending) and North America Class I Division 2/Zone 2. Phone calls, put calls on hold, transfer calls, make conference calls, and so on. The phones provide voice communication over the same wireless LAN that your computer uses, allowing you to place and receive Manager and with Cisco Aironet and Cisco Meraki access points (APs) in a private business communications network. The Cisco Wireless IP Phone 88-EX are 802.11 dual-band wireless devices that provide comprehensive voice communications in conjunction with Cisco Unified Communications Cisco One-Year Limited Hardware Warranty Terms.Differences Between Phone Calls and Lines.New and Changed Information for Firmware Release 11.0(3).New and Changed Information for Firmware Release 11.0(4).New and Changed Information for Firmware Release 11.0(5).New and Changed Information for Firmware Release 11.0(5)SR1.New and Changed Information for Cisco Wireless IP Phone 8821-EX Support.New and Changed Information for Firmware Release 11.0(6).Updated Information on Display Screen Timeout.New Information About Low Battery Warnings.

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