The phone operates best when the access point is 802.11d-enabled. The AP can determine the channels and transmit
powers per the local region.
Enable World Mode (802.11d) for the corresponding country where the access point is located.
Some 5 GHz channels are also used by radar technology, which requires that the 802.11 client and access point to be
802.11h-compliant to utilize those radar frequencies (DFS channels). 802.11h requires 802.11d to be enabled.
The Cisco IP Phone 6861 Multiplatform Phone will passively scan DFS channels first before engaging in active scans of
those channels.
If 802.11d is not enabled, then the phone can attempt to connect to the access point using reduced transmit power.
Below are the countries and their 802.11d codes that the phone supports.
Security
When deploying a wireless LAN, security is essential. The phone supports the following wireless security features.
• WLAN Authentication
▪ WPA2-PSK (Pre-Shared key + AES encryption)
▪ WPA-PSK (Pre-Shared key + TKIP encryption)
▪ WPA2 (802.1x authentication + AES or TKIP encryption)
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