Phone suspended without any reason

On Friday, 25 Sept my phone got suspended. I was still under the impression that I was with MTN, but wasn't on their system. It took a while to figure out that that I moved to another SP, Mobilesplus. Only because I saved an sms, did I realise I was with them, after one of these annoying cold call sellers - but even after than, I was still sure I was with MTN. I contacted Mobilesplus to ask why I was suspended since I never missed the R39 payment required. Two things annoy me: Firstly, the nr is not free so all the R10's I would have saved getting R50 airtime for R39 is now a loss, and they don't work after hours. So, you can't get anything done. They have escalated and escalated to what they say is MTN, but still no joy. It's nearly a month now that my phone cannot make calls. I had to get another sim cardand other nr, Rica it, just to continue with my life, but can't get into banking or any of that. In addition, I can't cancel the contract unless I pay cancellation fee of R480, something I would never agree to, but didn't receive a copy of contract, nor did they tell me all the fine print with cold call. SOME ADVICE: THERE IS NO BENEFIT TO DEAL WITH MOBILESPLUS. DON'T DO IT!