AT&T MERLIN LEGEND Release 2.0 Equipment And Operations Manual page 272

G l o s s a r y
ground-start
trunk
Group IV (G4)
Fax machine
GS trunk
headset
HFAI
HFU
Hybrid/PBX
mode
immediate-start
tie trunk
in-band
signaiing
In-Range Out-
of-Building
protector
inside dial tone
Inspect screen
integrated
Solution II/III
integrated Voice
Power
Automated
Attendant
interface
l/O device
GL-10 Glossary
See GS trunk.
A fax unit offering 400x 100 dots per inch (DPI) in fine
mode, which can operate at any speed for communication
with a Group Ill (G3) Fax machine or another Group IV (G4)
Fax machine,
(Ground-start trunk) A trunk on which the communications
system, after verifying that the trunk is idle (no ground on
tip), transmits a request for service (puts ground on ring) to
a distant central office (CO).
An ultralight earpiece and microphone for hands–free
telephone operation.
Hands Free Answer on Intercom
Hands-free Unit
A mode of operation in which the communications system
uses trunk pools and Automatic Route Selection (ARS) in
addition to personal lines—that is, direct facility terminations
on line buttons. The Hybrid/PBX mode also provides a
single interface to users for both internal and external
calling.
A tie trunk on which no start signal is necessary and dialing
can begin immediately after the tie trunk is seized.
See robbed-bit signaling.
See lROB protector.
A tone the user hears when connected to an Intercom line.
A display screen on digital telephones that allows users to
preview incoming calls and see a list of the features
programmed on line buttons.
See IS II/IS Ill.
An IS II/III application that automatically answers incoming
calls with a recorded announcement and directs callers to a
department, an extension, or the system operator.
Hardware, software, or both that links systems, programs,
or devices.
(input/output device) Equipment that can be attached to a
computer internally or externally for managing a computer
system's input and output of information.