AT&T MERLIN LEGEND Release 3.0 Installation Manual page 587

Glossary
H
Hands Free Answer on See HFAI.
Intercom
hands-free unit
headset
HFAI
HFU
Home screen
host
Hybrid/PBX mode
I
ICLID
ICOM buttons
See HFU.
Lightweight earpiece, microphone, and adapter used for
hands-free telephone operation.
(Hands Free Answer on Intercom) Feature that allows a
user to answer a voice-announced call.
(Hands-Free Unit) Unit for older analog multiline
telephones that allows users to make and receive calls on
the speakerphone without using the handset.
Display normally shown on an MLX display telephone;
shows time, date, and call information, and shows when
some features are in use.
Telephone company or other switch providing features
and services to the system users, usually when the system
is operating in Behind Switch 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.
(Incoming Call Line Identification) See Caller ID.
(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