[freitasm]

"... always having to be within X minutes of a device."

Back when I was in a technical role I used to be rostered on-call every few weeks. That included being on a conference call within five minutes of being paged (yep, oldstyle). This meant planning ahead to be at home at all times that week.

We were paid to be on-call and paid hourly if a call actually came in.

These days I see people saying they're expected to be on call and not being paid more than they're already paid. That's crazy.