Headset Button - Iwatsu ENTERPRISE 5.0 Owner's Manual

To place a call on hold:
Press the HOLD/DND key. An ICM dial tone is heard.
Dial another number or press the Headset Control key.
To retrieve a call from hold with Headset Control key idle:
Press the Headset Control key, and then press the line key
on which the party is holding.
To receive a call from hold with Headset Control key active:
Press the line key where the party is holding.
To retrieve a message:
Press the MBOX key, then the Headset Control key.
To change from headset use to speakerphone use:
Press the SPKR key, then press the Headset Control key.
To answer an ACD call:
Press the Headset Control key. ACD calls do not produce an
audible ring in the headset.

HEADSET BUTTON

Allows you to alternate between using the handset (receiver) and the
headset.
Operation
For headset operation:
Press the Headset button and the lamp will be solid red
For handset operation:
Press the Headset button and the lamp will be off
DIGITAL TELEPHONE USER GUIDE - 183