Internet fax machines. This has limited the standard's use, though a system for looking up a fax's email address based on its phone number is under development. To work with existing fax machines, all iFax machines support standard faxing (requiring a regular phone line). Alternatively, an iFax can be used in conjunction with a fax gateway. Internet fax Internet fax, e-fax, or online fax is the use of the internet and internet protocols to send a fax (facsimile), rather than using a standard telephone connection and a fax machine. A distinguishing feature of Internet fax, compared to other Internet communications such as
Junk fax in the number of fax machines in the U.S. The invention of the computer-based fax board in 1985 by Dr. Hank Magnuski, provided an efficient platform for reaching those fax machines with minimal cost and effort. The fax machines of this period typically used expensive thermal paper and a common complaint about junk faxes was that they consumed that expensive paper without permission, thus shifting the cost of printing the advertisement to the recipient. In the U.S., the passage of the Telephone Consumer Protection Act in 1991 along with action by individual states reduced the use of junk faxes at