Internet fax machines. This has limited the standard's use, though a system for looking up a fax's email address based on its phone number is under development. To work with existing fax machines, all iFax machines support standard faxing (requiring a regular phone line). Alternatively, an iFax can be used in conjunction with a fax gateway. Internet fax Internet fax, e-fax, or online fax is the use of the internet and internet protocols to send a fax (facsimile), rather than using a standard telephone connection and a fax machine. A distinguishing feature of Internet fax, compared to other Internet communications such as
Windows Fax and Scan Windows Fax and Scan Windows Fax and Scan is an integrated faxing and scanning application included in some versions of the Windows Vista operating system and all versions of Windows 7, Windows 8 and Windows 10. Windows XP includes Fax Console instead. The software is not compatible with T.38 technology and cannot be used for internet faxes. With Windows Fax and Scan users with computers that have fax modems can send and receive faxes, and fax scanned documents. Without a fax modem, users can email scanned documents and forward faxes as email attachments from their computer. WFS supports one-click scanning