Are there exceptions to Do Not Disturb app?

Are there exceptions to Do Not Disturb app?

Try this: Settings > Notifications > Do not disturb > Turn on > Allow exceptions > Select the app you wish to have as exception. I hope this helps!

Do I have to answer my phone on my day off?

It's 2017. Turn off your phone or even better you can set your phone rings to a different ring for your job so you know that it's them and just not answer. Your off day is your day to relax,do whatever you want and unless it's a dire emergency,they shouldn't be calling you.

Do Not Disturb calls go straight to voicemail?

When your iPhone is locked (the screen is off), Do Not Disturb silences all incoming calls, text message notifications, and alerts on your iPhone. Unlike silent mode, Do Not Disturb sends incoming calls straight to voicemail.