[DrStalker]

Australia has an easy solution: the Telecommunications Ombudsman. As soon as you raise a complaint with them the telecommunications company gets two weeks to fix things before they start getting financial penalties and having to spend time/resources fighting the complaint, so typically as soon as you have the complaint number you get escalated to the secret team with good people-skills and the power to do everything the lower support staff told you was impossible.

If your complaint has any merit they'll fix it for you because fixing it is vastly cheaper than fighting it.