Table of Contents
Advertisement
G.991.2:
An ITU-T specification for high speed DSL known as G.SHDSL.
G.DMT:
Another name for the G.992.1 ITU specification.
G.lite:
Another name for the G.992.2 ITU specification.
gateway:
A communications device that connects two different networks.
header:
The beginning of a frame or cell that contains management and addressing information.
hop:
One point-to-point transmission in a series required to transmit a message between two
hosts in a network.
host:
An addressable computer connected to a network.
hub:
A device that serves as the central location for attaching wires form workstations.
ICMP:
Internet Control Management Protocol. An Internet protocol that allows for the
generation of error messages, tests packets, and information messages related to IP.
IDSL:
A form of ISDN DSL using 2B1Q line code.
IEEE:
Institute of Electrical and Electronics Engineers.
IEEE:
The Institute of Electrical and Electronics Engineers.
ILMI:
Interim Local Management Interface. Provides ATM layer management between a
switch and a client device.
IP address:
Internet Protocol address. The decimal-numeric, fixed-length address assigned to
an Internet host.
IP multicast:
A technique that allows packets to be simultaneously transmitted over the
Internet to multiple destinations.
IPOA:
IP over ATM.
IRQ:
Interrupt re-quest, a hardware interrupt on a PC.
ISO:
International Standards Organization.
ISP:
Internet Service Provider. An organization that provides access to the Internet.
ITU:
International Telecommunications Union. The telecommunications agency of the United
Nations.
kbps:
Kilobits per second.
LAN:
Local Area Network. A LAN is a data communications system that lies within a limited
spatial area, has a specific user group, and has a specific topology.
latency:
The time it takes a signal to transmit from its source to its destination.
LED:
Light Emitting Diode. A light or status indicator.
1813 VoIP Gateway User's Guide
45
Advertisement
Table of Contents
