Lucent Technologies 555-661-150 manual Hfai, Hfu, Iclid

MERLIN LEGEND Communications System Release 6.1			Issue 1
Network Reference 555-661-150			August 1998
Glossary
			Page GL-14
	group	A system application that allows face-to-face,
	videoconferencing	simultaneous video and voice communications between
	system	groups and requires high-speed data transmission facilities.
		See also desktop videoconferencing system.

H

Hands Free	See HFAI.
Answer on
Intercom
hands-free unit	See HFU.
headset	Lightweight earpiece and microphone used for hands-free
	telephone operation.
HFAI	(Hands Free Answer on Intercom) Feature that allows a
	user to answer a voice-announced call.
HFU	(Hands-Free Unit) Unit for analog multiline telephones that
	allows users to make and receive calls on the
	speakerphone without using the handset.
Home screen	Display normally shown on an MLX display telephone;
	shows time, date, and call information, and shows when
	some features are in use.
host	Telephone company or other switch providing features and
	services to the system users, usually when the system is
	operating in Behind Switch mode.
hub system	In private network that is arranged in a star configuration,
	the communications system through which all calls across
	the network pass.
Hybrid/PBX mode	One of three modes of system operation, in which the
	system uses line/trunk pools and ARS in addition to
	personal lines. Provides a single interface (SA buttons) to
	users for both internal and external calling. See also Behind
	Switch mode and Key mode.

I

ICLID	(Incoming Call Line Identification) See Caller ID.
ICOM buttons	(intercom buttons) Telephone buttons that provide access
	to inside system lines for calling other extensions or
	receiving calls from them.
immediate-start	Tie trunk on which no start signal is necessary; dialing can
tie trunk	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.