I've heard of e.g. development teams of 10 where over 10 weeks each person is on-call for one week to spread the burden around. I've worked in places where a 24

I've heard of e.g. development teams of 10 where over 10 weeks each person is on-call for one week to spread the burden around. I've worked in places where a 24/7 support team would do this kind of thing (again, spreading the burden between their team) so the developers were freed from it. If you literally are on 24/7 call though I really can't think of what you could do about it except renegotiate or leave as that sounds completely unreasonable and unsustainable to me.