Accounts
Accounts - clicking directly on Accounts without selecting a sub-menu will take you to the Extensions page
Devices
Devices are endpoints that register to one or more extensions. They are added to the list manually or automatically when the device requests the provisioning information over HTTP/HTTPS.
Extensions
Extensions - where you configure the extensions for the phones attached to your system
Gateways
Gateways - to define the outbound gateways that are used to make calls to destinations outside of your FusionPBX/FreeSWITCH server
User Manager
User Manager - Allows a superadmin/admin to manage USERs and GROUPs. Can create/delete users, edit their Account Settings