> Audio / Phone > Phone operation
Phone operation
Operating the remote control
![PLAY button S20](fig/PLAY button S20_DNTXILueulmdfv.png)
Answering the call
Press button once quickly when receiving the call.
Ending the call
Press button once quickly during the call.
Rejecting a call
Press button twice quickly when receiving the call.
Switch the call between headphones and smartphone
Press button twice quickly during the call.
Using voice assistant function (Siri etc)
Press button twice quickly when not using the phone function.
This unit cannot guarantee operation of all of the remote control functions.