Lucent Technologies MERLIN LEGEND Release 7.0 System Planning Manual page 438

MERLIN LEGEND Communications System Release 7.0
System Planning 555-670-112
Glossary
Dialed Number
Identification
Service
Dial-Out Code
Dial Plan
Dial-Repeating Tie
Trunk
DID
DID Trunk
Digital
Digital
Communications
Protocol
Digital Data
Station
Digital Signal 0
Digital Signal 1
Digital Subscriber
Line
Digital
Transmission
DIP Switch
Direct Facility
Termination
Direct Inward Dial
Direct-Line
Console
Direct Station
Selector
DNIS
See .
Digit (usually a 9) or digits dialed by telephone users to get
an outside line.
Numbering scheme for system extensions, lines, and
trunks.
Tie trunk on which the originating end of the tie trunk
transmits an off-hook signal to the receiving end and waits
for the receiving end to send an off-hook signal followed by
an on-hook signal. Also called "dial-repeating tie trunk."
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.
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.
Representation of information in discrete elements—such
as off and on or zero and one. See also
Transmission .
DCP
See .
See ISDN Terminal Adapter Data
See DS0 .
See DS1 .
See DSL .
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
Transmission
.
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.
DFT . See Personal Line
See DID.
See DLC .
See DSS .
Analog
Station.
.
Issue 1
April 1999
GL-10
Analog