Call
Answer a call
Press the Multifunction button or Volume "+" or Volume "-"
once.
Reject a call
Press and hold the Multifunction button for about 2 seconds.
Press the Multifunction button once.
End a call
Reject the new call hold the current call
During the call there is a new call, press the multifunction
button to reject a new call, keeping the active call.
End current call and answer new call
When a new call rings during a call, press the Multifunction
button once to answer new call and end current call
simultaneously.
On hold current call and answer new call
When a new call rings during a call, Double the Multifunction
button to hold current call and answer new call.