Recorded message saying ring back before case goes to court house.

Caller: pretend ATO man, with an accent

said my name is Osama Laden, said he would blow up my house

I called back number (02) 8005 7612 rang once then gets disconnected automatically.

Rang me around 4:57pm and when I picked up, asked me why I rang them and asked for my full name so he can search me in the database. I said, “No, I won’t give you my details,” and hung up.
Seconds later, I received a recorded voicemail from the same number, saying it’s from ATO and that I should ring the number back to avoid arrest: