Definition of Fax back:
Recipient-managed information transfer system in which documents stored on a computer (equipped with a modem or fax card and supporting software) can be downloaded via a fax machine. The recipient dials the sender's number on their fax machine, selects several options in response to the voice command from the sender's computer, and presses the start fax button to receive the document. During this process, all telephone charges are received by the recipient. Also known as fax if necessary.
Meaning of Fax back & Fax back Definition