AT&T 3.0 manual Hfai, Hfu, Iclid

Glossary

H

Hands Free Answer on See HFAI.

Intercom

hands-free unit	See HFU.
headset	Lightweight earpiece, microphone, and adapter 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 older 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.
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 buttons) to users for
	both inside and outside 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.

Maintenance and Troubleshooting GL–17