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IP-Fax Functions
The IP-Fax function sends or receives documents between two facsimiles direct-
ly via a TCP/IP network.
This function has the following advantages and is suitable for communication
within the same LAN:
• Reducing communication costs
• Communicating between IP-Faxes at higher speed than by standard fax
IP-Fax uses SIP and H.323 as the network protocol.
Specify an IPv4 address or host name instead of a fax number for sending. When
using a gatekeeper, specify its alias telephone number. Specify addresses of the
gatekeeper or SIP server (proxy server, register server, redirect server) as appro-
priate in IP-Fax Settings in the Facsimile Features menu.
When using a SIP server, you can send by specifying SIP user name.
You can also transmit to a G3 facsimile connected to the public switched tele-
phone network (PSTN) via a gateway (T.38-compliant).
You can receive IP-Faxes in the same manner as standard faxes.