Beware! You can't always trust what you see on your caller ID...
Caller ID displayed: Name unavailable 1+11 21 44 915784
I have never seen this type of phone number displayed like this one before.
In this case, Red flags went up! I click the call on and then off.
* These days, scammer's have apps to mask their caller ID and show you any name or number they want you to see.