I called back number 0407 561 836 spoke to a guy but did not say for what company.
Anonymous on 0411 820 484
Have no idea who he was or where from. Hung up on him.
Anonymous on (02) 9321 3889
I hung up as soon as says was the embassy of the republic of china
Anonymous on 0480 035 605
Called me and knew my email. Sounded very dodgy.
Anonymous on 0416 156 261
speaking in gibberish to me. Call back and its got incoming call restrictions. blocked
Anonymous on (02) 9439 8030