Call handling
To make a call, use your phone in the 
normal way when the headset is 
connected to your phone.
If your phone supports last number 
redialing with the headset, press the 
answer/end key twice while no call is 
in progress.
If your phone supports voice dialing 
with the headset, press and hold the 
answer/end key when no call in 
progress, and proceed as described in 
the user guide of your phone.
To answer or end a call, press the 
answer/end key. To reject an incoming 
call, press the answer/end key twice.
To adjust the headset volume during a 
call, use the volume keys on your 
phone.
To switch the call between the 
headset and a compatible phone, 
press and hold the answer/end key.