SMARTY SIM in Australian Iphone not working

Assuming the Australian iPhone isn't network locked (I believe most Australian phones aren't, with the exception of those bought on a prepaid plan), and assuming you have added some additional credit to your Smarty account, where specifically did you purchase the Australian iPhone?

I ask as, from what I've read, some of the Australian networks are now blocking phones from connecting to their networks that weren't purchased direct from them.

Here's a video explaining the chaotic situation over there.