Instruction manual

MERLIN LEGEND Communications System Release 5.0
Installation
555-650-140
Issue 1
June 1997
Glossary
Page GL-13
dedicated feature
buttons
The imprinted feature buttons on a multiline
telephone: Conf or Conference, Drop, Feature,
HFAI (Hands Free Answer on Intercom), Hold,
Message, Mute or Microphone, Recall, Speaker or
Speakerphone, and Transfer.
delay-dial start tie
trunk
See dial-repeating tie trunk
.
DFT (direct facility termination) See personal line.
DHG (data hunt group) Group of modem or
ISDN terminal
adapters
which have a common access code. Calls
are connected in a round-robin fashion to the first
available data station in the group.
dial access See feature code
.
Dialed Number
identification
Service
See DNIS
.
dial-out code Digit (usually a
9 ) or digits dialed by telephone users
to get an outside line.
dial plan Numbering scheme for system extensions, lines, and
trunks.
dial-repeating tie
trunk
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 “delay dial
start tie trunk.”
DID (Direct Inward Dialing) Service that transmits from
the telephone company central office and routes
incoming calls directly to the called extension,
calling
group
, or outgoing trunk pool , bypassing the system
operator.