Under the main video window is a set of icons (see screenshot 1):

• Mic: Mute and unmute your microphone
  No one wants to hear background noise in a Webex call or meeting. You can mute yourself so that everyone can concentrate on what's being discussed. While you're on a call or in a meeting, select Mute botton at the bottom of the meeting window (see screenshot). You'll know it's working when the button turns red. If it’s green you are not muted. If you want to unmute yourself, select Unmute. The button then will switch from red to green.

• Video: Turn your video on and off

• Share Screen: Click here to choose any application you have open and share that screen in place of video from your camera (find our detailed tutorial on screen sharing here).

• Participants: Brings up the participant list
  While in a meeting, select the Participants Panel from the Main Icon Bar to find out who has joined the meeting (see screenshot 1). You can quickly see who's joined the meeting regardless of whether they've joined from the Webex app, from the Cisco Webex Meetings app, or from a video device. You can even see what they're up to during the meeting, such as who's muted and who's sharing their screen (see screenshot 2). 

• Raising your hand: Hover over your name in the Participants Panel and click the hand icon to raise your hand (see screenshot 3). To lower your hand, click Lower hand next to your name in the Participants panel.

• Chat: Opens a chat window
  To send a chat message, open the Chat panel (see screenshot 1): In the Send to or To drop-down list, select the recipient of the message. Enter your message in the chat text box, then press Enter on your keyboard.

• Leave: Exit the meeting