
MERLIN LEGEND Communications System Release 7.0
System Programming
555-670-111
Issue 1
April 1999
Glossary
GL-5
C
Blocking
Condition in which end-to-end connections cannot be made
on calls because of a full load on all possible services and
facilities. See also
.
BMI
Broadcast Music Incorporated
.
Board
Module—for example, 100D or 408 MLX GS/LS—that
allows you to connect lines/trunks and extensions to the
communications system.
Board Assignment
System Programming and Maintenance (SPM) procedure
for assigning line/trunk and extension modules to slots on
the control unit.
Board
Renumbering
System programming procedure for renumbering boards
that have already been assigned to specific slots on the
control unit.
bps
Bits per second
.
BRI
Basic Rate Interface
. Standard protocol for accessing
Integrated Service Digital Network (ISDN) services.
Broadband
Transmission path having a bandwidth greater than a
voice-grade channel.
BTMI
Basic Telephone Modem Interface
.
Bus
Multiconductor electrical path used to transfer information
over a common connection from any of several sources to
any of several destinations.
Button
Key on the face of a telephone that is used to access a line,
activate a feature, or enter a code on a communications
system.
Byte
Sequence of
bit
s (usually eight) processed together. Also
called “octet.”
Call Accounting
System
See
Call Accounting
Terminal
See
.
Caller ID
Service provided by some local telephone companies (if
local regulations allow) that supplies the calling party
telephone number. In Release 3.0 and later, an 800 GS/LS-
ID module on the system can capture this information and
display it on the screens of MLX telephones. In Release 7.0
and later, an 800 GS/LS-ID, 408 GS/LS-ID-MLX, or 412
LS-ID-ETR module can capture both the number and name
of the calling party and display them on the screens of
MLX, ETR, and MLS telephones. See also
.