I’m not sure what is standard compensation for being on-call but at my previous place of work IT ops would do out of hours one week in four in return for one da

I’m not sure what is standard compensation for being on-call but at my previous place of work IT ops would do out of hours one week in four in return for one day off in-lieu. You’d get on average three call-outs a week which could be handled remotely. It still seemed like a very poor deal; I don’t know what is standard?