In-call activities During a call, you can: Turn the microphone on/off Turn the camera on/off End the call or leave the meeting Add participants Show additional controls Start presentation from your mobile device View meeting info Show the number pad Start/stop recording (if enabled for your account) To hide additional controls, tap anywhere on your device screen. You can also use the following gestures: Pinch to zoom in/out on video or content Swipe to enter/exit Listen-only Mode Swipe right to enter Listen-only Mode, which turns your camera video and microphone audio off automatically. Tap to speak or mute . Press and hold to end the call or leave the meeting. Swipe left to exit Listen-only Mode. Note: Camera video and microphone audio will remain off upon exiting Listen-only Mode. Tap button(s) turn on.