Internet Fax Functions (by Specifying an IP Address)
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-Terminology
❖ H.323
A multimedia communication protocol that sends or receives files via one-to-
one communication over a LAN or the Internet.
❖ SIP
A communication control protocol for Internet telephone that utilizes VoIP
(which converts voice information to IP packets) and is equipped with func-
tions such as creating, modifying, and terminating sessions with one or more
participants.
❖ Gatekeeper (VoIP gatekeeper)
A gatekeeper manages devices connected to an IP network and converts alias
telephone numbers to IP addresses and performs authentication functions. In
addition, a gatekeeper governs band (transmission rate assignment) and ac-
cess control.
❖ Gateway (VoIP gateway)
A gateway connecting a telephone network and IP network, it has functions
such as protocol conversion for connecting these different networks, and also
connects communication devices (telephones, facsimiles, etc.) to a LAN or
other network.
❖ SIP server
A SIP server mediates connection requests between devices connected to an
IP network and is composed mainly of servers that have the following three
functions:
• Proxy server: Receives SIP requests and forwards them on behalf of the re-
questor.
• Register server: Receives information about a device's address within an IP
network and registers them in the database.
• Redirect server: Used to inquire the destination address.
Notes on Using IP-Fax
• You cannot send to a firewall-protected network.
• You cannot use telephones on a LAN.
Functions Not Available for IP-Fax Transmission
You can use the following functions with standard fax transmission, but not IP-
Fax transmission:
• Batch transmission
• Manual dial
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