A Letter of Authorization is the form you sign to give a new phone provider permission to transfer your number away from your current carrier. It confirms you own the number and approve the port.
The LOA has to match the current account details exactly, or the port is rejected. It is a routine but essential step in switching business phone service.
Frontdesk gives you a business number answered by an AI receptionist that picks up every call, qualifies the caller, books the appointment, and logs the whole conversation to your CRM.