Ip Fax (Sip) Overview - Fuji Xerox ApeosPort-IV C5575 Administration Manual

10 Using IP Fax (SIP)

IP Fax (SIP) Overview

IP Fax (SIP) is a fax feature that sends and receives document data via the IP network of a
corporation (the intranet). The IP Fax (SIP) complies with ITU-T Resolution T.38.
Because the IP Fax (SIP) uses the existing IP network for communications, you can reduce
the telecommunications costs compared to a conventional G3 fax machine that uses the
public telephone line.
Note
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• The communication between IP Fax (SIP) machines is available only between the machines that
support the IP Fax (SIP) feature (except for Able 1407λ). An "IP Fax (SIP) machine" in this guide
refers to the IP Fax (SIP) enabled machine manufactured by Fuji Xerox.