Yes it does exist. I've done plenty of on-call shifts but for paid a minimum of three hours whether I solved the problem in 5 mins or 50 mins. It's great when y

Yes it does exist. I've done plenty of on-call shifts but for paid a minimum of three hours whether I solved the problem in 5 mins or 50 mins. It's great when you're young, starting out, as it's a big pile of money. When you're over thirty, not so much.