Lucent Technologies MERLIN LEGEND Release 7.0 System Planning Manual page 442

MERLIN LEGEND Communications System Release 7.0
System Planning 555-670-112
Glossary
Frame
Framing Format
Frequency
Generator
FRL
FX
G
General Purpose
Adapter
Glare
GPA
Ground-Start
Trunk
Group IV (G4) Fax
Machine
Group
Videoconferencing
System
H
Hands-Free
Answer on
Intercom
Hands-Free Unit
Headset
HFAI
One of several segments of an analog or digital signal that
has a repetitive characteristic. For example, a DS1 frame
consists of a framing bit and 24 bytes, which equals 193
bits.
Pattern of frames used in transmissions.
See Ring Generator .
Facility Restriction Level . Calling restriction type that
restricts calls to certain specified ARS and UDP routes.
Foreign Exchange . Central office other than the one that is
providing local access to the public telephone network.
See GPA .
Condition that occurs when a user tries to call out on a
loop-start line at the same time that another call arrives on
the same line.
General Purpose Adapter . Device that connects an analog
multiline telephone to optional equipment, such as an
answering machine or a fax machine.
Trunk on which the communications system, after verifying
that the trunk is idle (no ground on tip lead), transmits a
request for service (puts ground on ring lead) to the
telephone company central office .
Fax unit, offering 400 by 100 dots per inch (DPI) in fine
mode, that can operate at any speed for communication
with a Group III (G3) fax machine or another Group IV (G4)
fax machine.
System application that allows face-to-face, simultaneous
video and voice communications between groups and
requires high-speed data transmission facilities. See also
Desktop Videoconferencing System
See HFAI .
See HFU .
Lightweight earpiece and microphone used for hands-free
telephone operation.
Hands-Free Answer on Intercom . Feature that allows a
user to answer a voice-announced call.
Issue 1
April 1999
GL-14
.