I called back number (03) 8456 5236 reached voice mail of company train station, It said they are a government assisted training and education company and they have a website which is trainstation.net.au.

Spam...and they use a different number for each call

I've had 8 calls from them in 5 days. It's getting g beyond ridiculous! I've also blocked their number, using Mr Number app, but they are still calling. Despite my name being on no call register, its another 3 weeks until its fully active. Sigh

this is an accredited training & education company that go by the name trainstation

These people just don't take no for an answer. I've been receiving multiple calls from them as well as other training programs. Somehow, my number seems to have made it onto someone's list. They don't offer a "do not call" option, so I blocked their number.
Train station call to offer training in diploma level studies.
Caller: Trainstation