Fax July 1996. A major breakthrough in the development of the modern facsimile system was the result of digital technology, where the analog signal from scanners was digitized and then compressed, resulting in the ability to transmit high rates of data across standard phone lines. The first digital fax machine was the Dacom Rapidfax first sold in late 1960s, which incorporated digital data compression technology developed by Lockheed for transmission of images from satellites. Group 3 and 4 faxes are digital formats, and take advantage of digital compression methods to greatly reduce transmission times. Fax Over IP (FoIP) can transmit and
Fax modem where standard features allow users to send a fax by using the fax phone number as the address of a E-mail message, and receive incoming faxes via E-mail with the Fax content presented as a PDF attachment. Medical systems continue to use this technology into the 21st century, but many home and business users dropped the use of fax modems in favor of high speed internet. Fax modem A fax modem enables a computer to transmit and receive documents as faxes on a telephone line. A fax modem is like a data modem but is designed to transmit and receive