Cisco Unified Wireless IP Phone 7920 Phone CP-7920-EE-CH1-K9 データシート
製品コード
CP-7920-EE-CH1-K9
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Feature
Description
Speaker/MIC
Built in
Alert
High-frequency response ringer, vibration, and visual display alerts
Multiple Ring Tones
More than 24 user-adjustable ring tones available
Protocol Support
•
Compatible with Cisco Unified CallManager Versions 5.0, 4.2, 4.1, 4.0, 3.3, and later, and Cisco Unified CallManager
Express Versions 3.3 and 3.2, using the Skinny Client Control Protocol (SCCP) Compatible with Cisco Unified
Survivable Remote Site Telephony (SRST) Version 2.0 and later
•
Cisco Compatible Extensions Version 2.0
Codec Support
G.711a, G.711u, and G.729a audio compression codecs
Configuration Options
•
Dynamic Host Configuration Protocol (DHCP) client or statically configured
•
Alternate Trivial File Transfer Protocol (TFTP) support
•
Support for over-the-air firmware upgrades using TFTP server
Network Features
•
Cisco Discovery Protocol
•
Automatic IEEE 802.1q (VLAN) configuration
•
Site survey, traceroute (hidden feature), transparent secure roaming, and VLAN support
•
Provisioning of network parameters through DHCP
Security
•
Cisco Wireless Security Suite IEEE 802.1X Cisco LEAP authentication: Optional password prompt at power-up
•
40- and 128-bit static Wired Equivalent Privacy (WEP)
•
Wi-Fi Protected Access (WPA)
•
WPA Pre-Shared Key (PSK)
•
Cisco Centralized Key Management (CKM)
•
Temporal Key Integrity Protocol (TKIP) and Message Integrity Check (MIC)
•
EAP-FAST
•
Optional phone lock password
•
Automatic key lock
Table 2.
Wireless Characteristics
Item
Description
Wireless Access Protocol
IEEE 802.11b, Direct Sequence with Dynamic Rate Scaling at 1, 2, 5.5, and 11 Mbps
RF Channels
Up to 14, depending on regulatory domain; North America: 11; ETSI: 13; Japan: 14
Frequency Range
2.4–2.497 GHz
Wireless Output Power
100-mW Effective Isotropic Radiated Power (EIRP) with scaling at 1, 5, 20, 50, and 100 mW
Range
500–1000 ft (15–300m) indoors, depending on environment
Access-Point Support
Cisco Aironet
®
access points, including the Cisco Aironet 1300, Aironet 1200, Aironet 1100, Aironet 350, and
Aironet 340 series, the Cisco Aironet 1100 Series Lightweight, and the Cisco Aironet 1130