Video is turned on automatically when you join or are called from an unscheduled meeting in a channel. You can't change these video settings, but you can turn off your video once you're in the call if you don't need it.
Video is turned on automatically when you join or are called from an unscheduled meeting in a channel. You can't change these video settings, but you can turn off your video once you're in the call if you don't need it.