This number called me, had my name and asked if they were calling the right person, said they were from some mobile company in Sydney then proceeded to ask if I spoke Mandarin. I hung up, they didn't call back.

Caller: 0485 855 069

This number called me, had my full name as well and asked if they were calling the right person, said they were from some company (intel?). asked if I speak manadrin as well. hung up. they never called back too.

scam

This number called me and asked "do you speak Mandarin"? I asked who are you? Then they hung up.