Busy Overriding - Iwatsu ADIX VS Owner's Manual

Busy Overriding

Allows you to alert a busy extension user that you are waiting to speak with
them. The busy extension user will hear periodic tone bursts through the
speaker. If they have a display the display will identify the calling party.
Operation
When you dial a busy extension:
Do not hang up
Press the Busy Override button OVER and you will hear a
ringing signal
Wait to be answered
To answer a Busy Override:
Hang up on the first call
Or
Press the Call Park button PARK
Press the Intercom button ICM
To alternate between calls:
Press the Call Park button PARK
Digital Telephone User's Guide - 65