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MERLIN LEGENDCommunications System Release 6.1
System Planning
555-661-112
Issue 1
August 1998
Glossary
Page GL-18
M
local loop The two-way connection between a customer’s premises
and the central office (
CO
).
local user In a
private network
, a person whose extension is
connected to the local control unit.
logical ID Unique numeric identifier for each
extension
and
line/trunk
jack
in the system control unit.
loop-start line Line 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.
Lucent
Technologies
Attendant
Application with equipment that connects to one or more
tip/ring
(
T/R
) extension jacks and automatically answers
incoming calls with a recorded announcement; directs calls
in response to touch tones. This application is no longer
available.
Magic on Hold A Lucent Technologies Music On Hold enhancement that
promotes a company’s products or services.
Mbps (megabits per second)
Megacom The AT&T tariffed digital
WATS
offering for outward calling.
Megacom 800 The AT&T tariffed digital 800 offering for inward calling.
memory card Storage medium, similar in function to a floppy disk, that
allows information to be added to or obtained from the
communications system through the PCMCIA interface
slot on the processor module.
MERLIN Identifier Adjunct that allows users to receive, store, and use
information provided by Caller ID.
MERLIN LEGEND
Mail
A voice messaging system that provides automated
attendant, call answering, and voice-mail services. It is
housed in its own module.
MERLIN MAIL A voice messaging system that provides automated
attendant, call answering, and voice-mail services. No
longer available.
Messaging 2000 A voice messaging system housed in a PC that connects to
tip/ring ports on the system’s modules. Messaging 2000
provides voice mail, automated attendant, call answering,
and fax messaging.
MFM (Multi-Function Module) Adapter that has a
tip/ring
mode
for answering machines, modems, fax machines, and
tip/ring alerts, and an
SAA
mode for -48 VDC alerts. It is
installed inside an MLX telephone and is used to connect
optional equipment to the telephone. The optional
equipment and the telephone operate simultaneously and
independently.