Scottish inventors Matthew Cash and Alexander Bain worked on chemical-mechanical fax-type devices and in 1846 … See more

There are several indicators of fax capabilities: group, class, data transmission rate, and conformance with ITU-T (formerly CCITT) recommendations. Since the 1968 Carterfone decision, most fax machines have been … See more

One popular alternative is to subscribe to an Internet fax service, allowing users to send and receive faxes from their personal computers using an existing email account. No software, fax server or fax machine is needed. Fa… See more

• T.4 is the umbrella specification for fax. It specifies the standard image sizes, two forms of image-data compression (encoding), the image-data format, and references, T.30 and the various modem standards.… See more

• Telecommunication portal
• Telephones portal
• 3D Fax
• Black fax
• Called subscriber identification (CSID)… See more

• Coopersmith, Jonathan, Faxed: The Rise and Fall of the Fax Machine (Johns Hopkins University Press, 2015) 308 pp.
• "Transmitting Photographs by Telegraph", Scientific American article, 12 May 1877, p. 297… See more

• Group 3 Facsimile Communication—A '97 essay with technical details on compression and error codes, and call establishment and release.
• ITU T.30 Recommendation See more