As a user, I have my notification preferences set in such a way as I find most useful for ensuring that I don’t miss any PD alerts. This will include text messages, app pushes, phone calls to multiple phones at various points.
This works well when I’m on call. If I don’t get the initial push notification, I’ll get the text message or phone call a minute or two later. This has been very successful for me.
However, when I am called into an incident via an escalation, all of my notification methods go off at the same time. Not only is it loud and annoying, it makes it impossible to reply to any one of them as they compete for the foreground on my devices.
Escalation notification really should follow the same notification rules I have set in my user preferences.