PA1+ auto activate pins based caller (identity)

I'm looking for a solution to automatically activate a pin based on a caller.

So if caller 1 (identity 1) calls, pin 1 should be activated
If caller 2 (identity 2) calls, pin 2 should be activated
Caller 3 → pin 3
Caller 4 → pin 4

So far I could only find this information, but is works only with on caller (identity):
How to activate a PA1 PIN when the device receives a call