Windows phone offers you to enable quiet mode and now with the use of quick action buttons, you can put your phone to quiet mode immediately. This how to will guide you through the steps to do so. Navigate to settings. Tap on “notifications + actions”. Tap on any of the button you want to add Read more about how to put your phone to quiet mode immediately[…]
You can now put your phone on silent / vibrate even by just a few taps without unlocking your phone when it is locked.