Dynamics Telephony uses 2 CRM roles to enable additional features.
Dynamics Telephony Admin, when assigned to a CRM user will enable the “Admin Only” settings area for that user. Use this are to restrict other CRM users from seeing various settings.
Dynamics Telephony Uninstall, when assigned to a CRM user will enable the “Uninstall” button in Dynamics Telephony for that user. “Uninstall” will completely remove the Dynamics Telephony Solution from CRM.