A
device that uses
IP
networks to transport
faxes instead of
PSTN as its means of transporting
a fax document. More specifically, Internet Fax uses
e-mail as the transport
medium. Internet fax services typically include e-mail to fax (fax from an
existing e-mail application), fax to e-mail (receive faxes in your e-mail), and
PC to fax (fax documents from your desktop).