Busy Bypass Tone Calling; Busy Bypass Voice Calling - Iwatsu ADIX VS Owner's Manual

Busy Bypass Tone Calling

Allows you to be informed that there is a second call waiting for you to
answer. This is accomplished by providing a muted tone through the
speaker in the busy telephone. External and internal calls may be
differentiated by frequency. This feature is a system programming option
and may not be present in all systems.
Operation
To answer the waiting call:
Hang up on the first call and press the button representing the
waiting call
Or
Press the Call Park button PARK and press the button
representing the waiting call
To alternate between calls:
Press the Call Park button PARK

Busy Bypass Voice Calling

While you are involved in a conversation using your receiver, Busy Bypass
Voice Calling allows you to receive a voice announcement through the
speaker in a Busy Bypass Unit informing you that someone else wishes to
speak with you. You may respond through the microphone without having
to put the original party on Hold. This feature is only available if your
phone is equipped with a Busy Bypass Unit.
Operation
To answer the waiting call:
Hang up on the first call and press the button representing the
waiting call
Or
Press the Call Park button PARK and press the button
representing the waiting call
To alternate between calls:
Press the Call Park button PARK
Digital Telephone User's Guide - 61