Fax hard to operate. In 1966, Xerox released the Magnafax Telecopiers, a smaller, 46-pound facsimile machine. This unit was far easier to operate and could be connected to any standard telephone line. This machine was capable of transmitting a letter-sized document in about six minutes. The first sub-minute, digital fax machine was developed by Dacom, which built on digital data compression technology originally developed at Lockheed for satellite communication. By the late 1970s, many companies around the world (especially Japanese firms) had entered the fax market. Very shortly after this, a new wave of more compact, faster and efficient fax machines
Registered fax Vladimir Popesco says that, although the traditional faxing is considered a reliable and secure communication mean, the registered fax process introduces some advantages in the fax security domain: Fax<br> Internet fax<br> Digital signature<br> Fax server<br> Voice over IP Registered fax The technical process called as a whole hereinafter "registered fax" (« fax recommandé » in French) consists in sending an electronic document by fax where both the content is certified and the delivery to the recipient is guaranteed. <br> It serves the purpose of creating legal evidence that unalterable information has been shared between the sender and the receiver of