Bad customer service

I was contacted by one of the sales consultant at Cell C to open another line for a router and he told me about the options available and I picked the one where I will be paying R 200 every month and when it came month end Cell C debited me Rudzani 2535. When I asked why I was told that I used up the credit limit wich I had and I told them that I did not request for the credit limit of R 2000 and the debit date was also incorrect. They then said they will open a case for me, which it's still not resolved since last year in December 2015. When ever I call to ask for feedback am being referred from one department to another or being told my case is being escalated. <br> <br> While the case is still pending I am busy getting SMS's telling me of making paymentry or I will be listed as a bad payer. This is unfair to me because I cannot pay for something I did not ask for. I have tried all their complaints channels which I have still not received any feedback. I am at a point to where I want to cancel all contracts with Cell C. One of their Consultant called me and insulted me and called me ******** because I refused to pay the money. I plead with Cell C to sort it out but 2 Months down the line