this practice is to enable video first, then audio. you can use the icons at the bottom of the screen or, if you want to look really smooth, use the keyboard shortcuts to toggle the video and audio. if you like checking on your reflection, movie preview window to the top of the screen, near the camera, were more likely to look that you are paying attention. if you don't have a starring role, you can stay on mute and temporarily unmute yourself by holding down the. if you can, avoid typing on your computer while you are presenting, especially if you are using the internal microphone. we can all hear that clattering unless you are on mute. there's an old saying ntv, always assume your mic is hot, or live, so don't say anything you don't want broadcast. and always assume, if you're using the chat, that you might accidentally send your hilarious observations to eve ryo ne your hilarious observations to everyone by mistake! there's currently no standardised way to end a call, though it is