Lucent Technologies MERLIN LEGEND Release 5.0 Installation Manual page 330

MERLIN LEGEND Communications System Release 5.0
Installation 555-650-140
Glossary
display buttons
DLC
DNIS
door answering
unit
DOS
DS0
DS1
Buttons on an MLX display telephone used to access
the telephone's display.
(Direct-Line Console) Telephone used by a system
operator to answer outside calls (not directed to an
individual or a group) and inside calls, transfer calls,
make outside calls for users with outward calling
restrictions, set up conference calls, and monitor
system operation.
(Dialed Number Identification Service) Service pro-
vided by the Lucent Technologies Switched Network
( ASN ); it routes incoming 800 or 900 calls according
to customer-selected parameters, such as area
code, state, or time of call.
Device connected to a basic telephone jack and
used at an unattended extension or front desk.
(disk operating system)
(Digital Signal 0) Single 64-kbps voice or data chan-
nel .
(Digital Signal Level 1) Bit -oriented signaling inter-
face that multiplexes twenty-four 64-kbps channels
into a single 1.544-Mbps stream.
Issue 1
June 1997
Page GL-15