Lucent Technologies MERLIN LEGEND Release 6.1 System Planning

MERLIN LEGENDCommunications System Release 6.1
System Planning 555-661-112
Issue 1
August 1998
Glossary
Page GL-9
data
communications
equipment
See DCE .
data module A type of ISDN terminal adapter that acts as the DCE at a
data workstation that communicates over high-speed digital
facilities.
data rate See bps .
data station Special type of extension where data communications take
place; includes
DTE and DCE ; sometimes a telephone is
also part of a data station.
data terminal An input/output device (often a personal computer) that can
be connected to the control unit via an interface.
data terminal
equipment
See DTE and data terminal .
data workstation Special type of extension where data communications take
place; includes
DTE and DCE ; sometimes a telephone is
also part of a data workstation.
DCE (data communications equipment) Equipment such as
modems or ISDN terminal adapters used to establish,
maintain, and terminate a connection between the system
and data terminal equipment (
DTE ), such as printers,
personal computers, host computers, or network
workstations.
DCP (Digital Communications Protocol) AT&T proprietary
protocol to transmit digitized voice and data over the same
communications link.
D-channel (Data-channel) 16- or 64-kbps channel that carries
signaling information or data on a
PRI or BRI .
dedicated feature
buttons
The imprinted feature buttons on a telephone: Conf or
Conference, Drop, Feature, HFAI (Hands Free Answer on
Intercom), Hold, Message, Mute or Microphone, Recall,
Speakerphone or Spkrphone, and Transfer.
delay-start tie
trunk
Tie trunk or tandem 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.”
desktop
videoconferencing
system
A system application that allows face-to-face,
simultaneous video and voice communications between
individuals and requires high-speed
data transmission
facilities. See also
group videoconferencing system.
DFT (direct facility termination) See personal line .
DHG (data hunt group) Group of analog or digital data stations
that share 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 .

Lucent Technologies MERLIN LEGEND Release 6.1 Specifications

General

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