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
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