I called back number 0434 333 045 rang once then gets disconnected automaticalyl

These are telemarketers "selling" advertising space in small magazines.

I class them as borderline scammers due to the nature of their conversation in the phone calls. They talk like you have previously agreed to things when you haven't. Do not be fooled by them, just say NO and hang up.

See my latest post about it on Whirlpool: http://whrl.pl/ReRolX

Or the entire thread on Whirlpool: https://forums.whirlpool.net.au/forum-replies.cfm?t=2233890