Lucent Technologies MERLIN LEGEND Release 6.1 System Programming

MERLIN LEGEND Communications System Release 6.1
System Programming Guide 555-661-111
Issue 1
August 1998
Glossary
Page GL-10
DID (Direct Inward Dial) Service that transmits from the
telephone company central office and routes incoming calls
directly to the called extension,
calling group , or outgoing
line/trunk
pool , bypassing the system operator.
DID trunk Incoming trunk that receives dialed digits from the local
exchange, allowing the system to connect directly to an
extension without assistance from the system operator.
digital Representation of information in discrete elements such as
off and on or zero and one. See also
analog transmission .
Digital
Communications
Protocol
See DCP .
digital data station See ISDN terminal adapter data station.
Digital Signal 0 See DS0 .
Digital Signal 1 See DS1 .
digital subscriber
line
See DSL .
digital switch
element
See DSE .
digital
transmission
Mode of transmission in which the information to be
transmitted is first converted to digital form and then
transmitted as a serial stream of pulses. See also
analog
transmission
.
DIP switch (dual in-line package) Switch on a 400EM module used to
select the signaling format for tie-line transmission. Also
used on other equipment for setting hardware options.
direct facility
termination
(DFT) See personal line .
Direct Inward Dial See DID.
Direct-Line
Console
See DLC .
Direct Station
Selector
See DSS .
display buttons Buttons on an MLX display telephone used to access the
telephone’s display.
DLC (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.
DNIS (Dialed Number Identification Service) Service provided by
AT&T and MCI; it routes incoming 800 or 900 calls
according to customer-selected parameters, such as area
code, state, or time of call.

Lucent Technologies MERLIN LEGEND Release 6.1 Specifications

General

Brand	Lucent Technologies
Model	MERLIN LEGEND Release 6.1
Category	Conference System
Language	English