Want to find what directory numbers are in use on your Mitel 3300? Consider this..being the company¬†Mitel 3300 administrator, you get a call from the Service Desk. “Mr Bond wants 007 extension number allocated to his new BYOD watch please”. Here is a quick way to tell if that directory number is already in use on your PBX. Continue reading “How to find what numbers are in use on a Mitel 3300” »