Scope:This document will show you how to add/remove an ATA from a fax account or fax userRequirements:Reseller scope or higherSupported ATA Device serial numberNote: Third party ATAs are NOT compatible they will need to be purchase from your providerFax user/account configuredSupported ATAAdd an ATA to a userLogin with a Reseller account in the Manager Portal or HigherNavigate to Domains -> Select the domain -> InventoryClick on the Fax Accounts tab.Locate the Phone Number or User, Click the icon to edit the userNote: Make sure the phone number is set to available before you can assign it to a userYou should now see the edit modal window with the current user configurations.  Click the ATA checkbox to show the Device Type and Serial Number fields.In the Device Type, select the ATA device from the supported ATA listEnter the Serial Number of the device and click SaveNow that the ATA has been assigned to a user, you should factory reset the ATA.When the ATA is back online, check the Inventory -> Fax Accounts and you should see the device online.Remove an ATA from a userLogin with a Reseller account in the Manager PortalNavigate to Domains -> Select the domain -> InventoryClick on the Fax Accounts tab.Locate the Phone Number or User, Click the  icon to edit the userYou should now see the edit modal window with the current user fax configurations.  Delete the Serial Number from the Serial Number entry and unchecked the ATA checkboxes and click Save