Terminology - Ricoh Aficio MP 3500SP Facsimile Reference Manual

Transmission
Reference
p.157 "Types of Reception"
"Connecting the Machine", General Settings Guide
"System Settings", General Settings Guide
1
"Facsimile Features", General Settings Guide

Terminology

The following are words you should know when using IP-Fax:
❖ 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 IPv4 addresses and performs authentication functions.
In addition, a gatekeeper governs band (transmission rate assignment) and
access control.
❖ 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 requestor.
• 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.
❖ 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.
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