A simple solution is to make triggering a "fire drill" a standard part of your on-call rotation hand-off.
This made sure the new on-call was aware they had started their shift and had access to acknowledge the page and clear it.
And if they didn’t it escalated to tier two, who would find out why tier 1 didn’t clear it.
A simple solution is to make triggering a "fire drill" a standard part of your on-call rotation hand-off.