Communications Co. that CANNOT communicate!

After months of dropped calls and extremely poor reception (I live in the City Bowl !!) I decided to cancel my contract and port to MTN in April 2015. This alone was a debacle as I was cut off after being assured it would take a few days (I depend on my Mobile for Security and business!). After 24 hours without a connection I was ported and was fine (with good reception on MTN) for a number of months. Then Cell C debited my account for what I can only assume was a bungle with the contract settlement amount, I attempted to contact the Service Centre - no reply, eventually I logged a call (Ref ***) and haven't heard since. I had the amount reversed and a Stop Payment instituted but they continue to try and debit my account which I still reverse. I have phoned, sent emails, sms's ... nothing. This from a Company in the TELECOMMUNICATIONS business. Surely if someone cancels a contract you want to know why ? Even your own staff are embarrassed by the poor service that THEY offer. Please contact me IF YOU CARE about your customers to explain this charge to me !