Fax is a telephone technology. It sends images over a phone line. So
you have to have a POTS (Plain Old Telephone Service) line to send a
fax. For your computer to send or receive faxes, it needs to have a
fax modem connected to a POTS line.
--
Tim Slattery
MS MVP(Shell/User)
(e-mail address removed)
http://members.cox.net/slatteryt