Altigen Altiware OE 4.5 System Administration & Installation Manual page 432

ground start - a type of start signaling on a subscriber's trunks in which the ring
(minus side) is grounded (ground start) to get dial tone.
GUI - Graphical User Interface.
H
hard disk - a sealed mass storage unit used for storing large amounts of data.
hardware - a term used to describe the physical components of a machine,
particularly computer equipment, and devices containing logic elements used in
data processing or communication equipment.
Hertz - cycles per second. Abbreviated as Hz.
http or HTTP - Hypertext Transfer Protocol. The Internet protocol used to manage
communications between Web clients (browsers) and servers.
Hunt group - see Workgroups.
Hz - see definition for Hertz.
I
Impedance - occurs when power or signal is transferred from one circuit to another.
This is known as the resistance of electrical current to alternating current and it is
measured in OHMs.
IMAP4 - Internet Message Access Protocol - Version 4.
interface - the interconnections between two separate systems or pieces of
equipment.
ISA - Industry Standard Architecture.
ISO - International Standards Organization.
ISP - Internet Service Provider.
J
jack - the mate for a plug. Used to connect two pieces of equipment together.
K
keyboard - system interface for communication. A group of numeric keys,
alphabetic keys, or function keys used for entering information into a terminal and
into the system. Usually patterned after the QWERTY keyboard layout. This term
is derived from the sequence of the first six keys in the first row of alphabetic keys.
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