Cisco 8821 Manual page 145

•
Select one of the following 802.11 modes to set the frequency band, then Save.
•
Auto
•
2.4 GHz
•
5 GHz
•
Auto mode (default mode) will scan both 2.4 GHz and 5 GHz channels, but will give preference to the 5 GHz
frequency band.
•
2.4 GHz mode will only scan 2.4 GHz channels and 5 GHz mode will only scan 5 GHz channels, then will attempt to
associate to an available access point.
•
It is recommended to set the frequency band on the Cisco Wireless IP Phone 8821 and 8821-EX to 5 GHz when
wanting to utilize the 5 GHz frequency band only, which prevents scanning and potentially roaming to the 2.4 GHz
frequency band.
• Select Save to save the changes or Cancel to dismiss the changes.
• If Network configuration is selected, then can configure IP settings including DHCP and Alternate TFTP.
• Press the 5-way navigation's middle button to toggle an option or to enter edit mode.
Cisco Wireless IP Phone 8821 and 8821-EX Wireless LAN Deployment Guide
145