Fax Site using the Courier satellite. Radio fax is still in limited use today for transmitting weather charts and information to ships at sea. Also, it is also widely used within the medical field to transmit confidential patient information. In 1964, Xerox Corporation introduced (and patented) what many consider to be the first commercialized version of the modern fax machine, under the name (LDX) or Long Distance Xerography. This model was superseded two years later with a unit that would truly set the standard for fax machines for years to come. Up until this point facsimile machines were very expensive and
Registered fax - The data (signed document and signature) are available to both parties, sender and receiver, in a confidentially secured environment. The data is securely archived so that it can serve as legal evidence in case of dispute between the parties. Registered faxes are stored in a secured web environment. The sender and the receiver can check the authenticity of the registered fax at any time in a secured web interface, as the fax is stored and archived for a long period of time. The following table defines the items to which each party in the registered fax process has access: