Webex App | Control your device audio and video during a call or meeting
While you are on a call or in a meeting and connected to a device, you have the ability to mute your device, adjust the volume, and take control of your video without having to leave the Webex App. You may easily make adjustments to your audio and video by going to the device panel in the app’s header and accessing it there.
Desktop
Select the device to which you are currently connected in the app’s header, and then make the necessary modifications to the audio and video settings on that device.
Mobile
Tap the space you want to modify on your spaces list, and then make the necessary modifications to the audio and video settings on your device.