Cisco Wireless IP Phone 8821

The Cisco Wireless IP Phone 8821 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:

• IEEE 802.11a/b/g/n/ac radio for VoWLAN communications support 
• The large 2.4-inch (6 cm) color (240 x 320 pixels) display makes viewing easy
• IP67 rated for protection against dust, splash, and water
• MIL-STD-810G standard for shock resistance
• The phone offers exceptional voice quality with high-definition (HD) voice
• A built-in full-duplex speakerphone offers high-quality hands-free communications
• The phone supports third-party Bluetooth 3.0 headsets and a 3.5-mm headphone jack for added freedom
• The Applications key provides direct access to XML applications such as push-to-talk and Lone Worker
• Battery life delivers a minimum of 13 hours of talk time
• Enhanced encryption support for SHA-1 and SHA-2 signatures
• Fast, secure roaming using 802.11r and Cisco Centralized Key Management roaming
• Automatic certificate renewal – SCEP support