Fax Fax Fax (short for facsimile), sometimes called telecopying or telefax (the latter short for telefacsimile), is the telephonic transmission of scanned printed material (both text and images), normally to a telephone number connected to a printer or other output device. The original document is scanned with a fax machine (or a telecopier), which processes the contents (text or images) as a single fixed graphic image, converting it into a bitmap, and then transmitting it through the telephone system in the form of audio-frequency tones. The receiving fax machine interprets the tones and reconstructs the image, printing a paper copy. Early
Internet fax frequently confused with Internet fax, though IP fax transmits data over an office intranet from a networked multi-functional device to the IP address of another.Taking advantage of an established LAN/WAN infrastructure, IP fax reduces or eliminates costly connection and transmission fees. T.38 is a commonly used and recommended transmission standard used for IP fax. Also, IP fax does not require a dedicated server or make use of the office mail server. IP Address Relay forwards to a multi-functional device for relaying to a local G3 fax machine. As modems came into wider use with personal computers, the computer was used