Plantronics Calisto Pro Series - Manual (Page 20)

Page 14
Receiving calls using your headset
When you’re using the headset,
a triple beep signals an incoming
call. Press the
Headset
button for under 1 second or
until you hear a single high beep.
Tip: You can use the headset to answer a second incoming call; see
“Receiving a second incoming call” on page .
Adjusting call volume using your headset
Press up or down to adjust call volume
when you are using your headset (do
not press inward).
Tip: For your comfort and health, always listen to calls at a moderate volume.
For complete safety information, see page 53.
Ending calls using your headset
Press inward for under
1 second