Did not recognise number, no voice message left. Blocked

Australian research community whatever that is . This was a recording and I hung up before listening to anything else. Sounds like somebody wanting something from me, no benefit to me. Blocked

Came through, as suspected spam. Did not leave a message

I called them back, definitely a scam as it says the phone number is not in service

Didn't answer. No message was left.

Left no message

Did not recognise number, no voice message left.

Rings All the Time & Leaves No Message