What options are available during a call? May 15, 2016 21:26 Updated Option for an incoming call: ReplyTo rejectMute microphone Option during a call: Mute MicrophoneEnding a call Related articles How to answer a call from my phone and not my ZeRound? How to use the calls function on ZeRound? How to view the history of my calls on my ZeRound? How do I set my ZeRound in silent or / and vibrate mode? How long does the battery of ZeRound last after a full charge?