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
Junk Fax Prevention Act of 2005 they will make sales and they are advertising for these sales by stealing the paper, supplies, and time of the recipients. Some have gone so far as to rename the JFPA the "Junk Fax Protection Act of 2005". Defendants in civil suits brought pursuant to this statute often argue they have the affirmative defense of the "established business relationship." Yet, as is often proven in Court, the defense fails if the Defendant did not comply with 21 FCC Rcd 3787, i.e. that a valid "Opt-out" clause was part of the offending fax. If there is no valid opt-out clause, the