No signal, no service

I logged a enquiry about bad signal on 22/2 already. I was told that someone will phone me within 10 days. Nobody did. I phoned the signal enquiry line this morning, and experienced terrible service! First I spoke to Rubin, he was rude and irritated as he could not trace my enquiry. I phoned again and spoke to another male, he asked me to explain my problem. I told him that I was struggling with signal for my phone and modem. I said to him that I am paying R600- 700 for a modem without any coverage. He immediately rep**** that he is not interested in what I am paying, and that I should explain my problem. Again I told him that I was busy explaining my problem, where I asked his name. He immediately put me on hold. I did not put down as I realised that he did this not to talk to me any further. I stayed connected for another 20 minutes, where he kept me on hold. I phoned from another phone and was told by a lady that Rubin handed my enquiry over to Andy. If this is the way that mtn treats a signal problem, then I really dont want to be part of mtn anymore. The people are rude and totally unhelpfull and doesn't matter about signal, as long as they receive their money!!! Terrible!!