3 ms·Congratulations, you just described push-to-talk.by viklove 7y agoCongratulations, you just described push-to-talk.juped 7y agoBusiness-targeted tools don't have this because they're intended for people used to conference calls on a telephone system.russell_h 7y agoZoom has this. Mute yourself, then you can use space bar as a PTT button.