In-call activities While you are in a call, you can: Leave a meeting Turn camera on or off Turn microphone on or off Tap in the upper right-hand corner to access more information about the call: Add participant View call details View participant list Chat Start recording (if recording is enabled) Pinch to zoom in on a video or content Swipe to change to Listen-only Mode. Anytime you are in a call, you can decide to participate in Listen-only Mode. Swipe to the right and your camera and microphone automatically turn off. Tap to speak. Tap again to mute. You can also hang up the call while in Listen-only Mode by pressing and holding and tapping Leave meeting.