802.11 Network Settings - Cisco 7925G Series Deployment Manual

802.11 Network Settings

If using 5 GHz, ensure the 802.11a network status is set to enabled.
Set the beacon period to 100ms.
Ensure DTPC Support is enabled.
If using 802.11n capable access points, ensure ClientLink is enabled.
Configure 12 Mbps as the mandatory (basic) rate and 18 – 24 or 54 Mbps as supported (optional) rates.
36-54 Mbps can optionally be disabled, if there are not any applications that can benefit from those rates.
Enable CCX Location Measurement.
Cisco Unified Wireless IP Phone 7925G Series Deployment Guide 55