Cisco 7925G - Features of Your Cisco Unified Wireless IP Phone; Cisco Unified Wireless IP Phone Models

Cisco Unified Wireless IP Phone 7925G, 7925G-EX, and 7926G Deployment Guide
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EAP-TLS may also require a user account to be created on the authentication server matching the common name of the
certificate imported into the Cisco Unified Wireless IP Phone 7925G, 7925G-EX, and 7926G.
It is recommended to use a complex password for this user account and that EAP-TLS is the only EAP type enabled on the
RADIUS server.