Everyone in the team sharing the 24/7 works well for small teams. Nothing sucks more than knowing you are on call an entire night and having to remember not to

Everyone in the team sharing the 24/7 works well for small teams. Nothing sucks more than knowing you are on call an entire night and having to remember not to do anything that may cause you to forget you're on call, become unreachabld (leaving your phone on silent or in another room for hours etc)