Absolutely. We had the same policy. If primary wasn't sure what to do, they could ping secondary to regroup. We even had a third "last line of defense" which

Absolutely. We had the same policy. If primary wasn't sure what to do, they could ping secondary to regroup. We even had a third "last line of defense" which was basically always the same 3 people, pinged if nothing was acked in the first 30mn.