AT&T MERLIN LEGEND Release 3.0 System Programming And Maintenance Manual page 112

Glossary
line/trunk
line/trunk jack
line/trunk and
extension module
local host computer
access
local loop
logical ID
loop-start trunk
M
Magic On Hold
Mbps
Megacom
Megacom 800
GL-22 System Programming and Maintenance (SPM)
Refers to inside system lines and outside
trunks in general terms, See also line and trunk.
Physical interface on a module in the control
unit for connecting an outside trunk to the
communications system. Also called "trunk
jack."
Module on which the jacks for connecting
central office lines/trunks and/or the jacks for
connecting the extensions are located.
A method for connecting an extension jack to
an on-site computer for data-only calls through
a modem or data module.
See access line.
Unique numeric identifier for each extension
and line/trunk jack in the system control unit.
Trunk on which a closure between the tip and
ring leads is used to originate or answer a call.
High-voltage 20-Hz AC ringing current from the
central office signals an incoming call.
An AT&T Music on Hold enhancement that
promotes a company's products or services.
megabits per second
AT&T's tariffed digital
outward calling.
AT&T's tariffed digital
calling.
WATS offering for
800 offering for inward