8821- Data Sheet

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Figure 1. Cisco Wireless IP Phone 8821
Features
The Cisco Wireless IP Phone 8821 (Figure 1) is designed for users in rigorous workspaces as well as general
office environments. It supports a wide range of features for enhanced voice communications, Quality of Service
(QoS), and security. Some of the main benefits and highlights are listed here:
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IEEE 802.11a/b/g/n/ac radio for VoWLAN communications support
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The large 2.4-inch (6 cm) color (240 x 320 pixels) display makes viewing easy
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IP67 rated for protection against dust, splash, and water
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MIL-STD-810G standard for shock resistance
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The phone offers exceptional voice quality with High-Definition (HD) voice
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A built-in full-duplex speakerphone offers high-quality hands-free communications
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The phone supports third-party Bluetooth 3.0 headsets and a 3.5-mm headphone jack for added freedom
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The Applications key provides direct access to XML applications such as push-to-talk and Lone Worker
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Battery life delivers up to 9.5 hours of talk time
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Enhanced encryption support for SHA-1 and SHA-2 signatures
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Fast, secure roaming using 802.11r and Cisco Centralized Key Management roaming
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Automatic certificate renewal – SCEP support