Telkom messing up people's ITC scores

I was double deducted twice called in and explained collections told me payment is just not reflecting, I get my statement today and now I'm being told my service is suspended, I tried like 20times to call in but no answer this is really the worst of the worst, I would like some advice on what I can legally do as I am not going to pay more then I use and be billed for something I didn't use.

Telkom doesn't care about clients and I know now that I've name and shamed on hello Peter they will respond I want to be called by a manager coz according to the agents there's never a manager around