So I have had another paid alarm, and when the alarm was armed and I entered the door/triggered the door sensor the alarm started a timer for me to enter pin/disarm before timeout.
This was done by beeping every second until key was accepted, and if not the alarm would go off.
I have had the ring alarm for about 6 months, and really miss this feature. Since I am able to walk in, and move around until the pir sensor detects motion. And then triggers the alarm.
So a reminder once triggered would be perfect.