Cisco 8865 - Hand Off a Call from a Mobile Phone to the Desk Phone; Line Status; Line Status Indicators

Cisco IP Phone 8861 and 8865 Wireless LAN Deployment Guide
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To utilize local RADIUS for infrastructure authentication, enable all authentication protocols.
Create a Network Access Server entry for the local access point.
Define the user account in which access points will be configured for to authenticate to the Wireless Domain Services enabled
access point.
Configure local RADIUS on each access point participating in Wireless Domain Services.