Instruction manual

MERLIN LEGEND Communications System Release 5.0
Installation
555-650-140
Issue 1
June 1997
Glossary
Page GL-21
I
HFAI (Hands Free Answer on Intercom) Feature that
allows a user to answer a voice-announced call.
HFU (Hands-Free Unit) Unit for older analog multiline tele-
phones that allows users to make and receive calls
on the speakerphone without using the handset.
Home screen Display normally shown on an MLX display tele-
phone; shows time, date, and call information, and
shows when some features are in use.
host Telephone company or other switch providing fea-
tures and services to the system users, usually when
the system is operating in
Behind Switch mode .
Hybrid/PBX mode One of three modes of system operation, in which
the system uses trunk
pools and ARS in addition to
personal lines . Provides a single interface ( SA but-
tons
) to users for both inside and outside calling. See
also Behind Switch mode
and Key mode.
ICLID (Incoming Call Line Identification) See Caller ID
.
ICOM buttons (intercom buttons) Telephone buttons that provide
access to inside system lines for calling other exten-
sions or receiving calls from them.
immediate-start tie
trunk
Tie trunk on which no start signal is necessary; dial-
ing can begin immediately after the trunk is seized.
in-band signaling See
robbed-bit signaling .
inside dial tone A tone users hear when they are off-hook on an
SA
or
ICOM button .