Mobile Contract Cancellation

On 5 January 2016 I visited the Telkom branch on Main/Pixley Seme street with the sole intention of cancelling my then 25 month old mobile contract. I was given a cancellation form which I duly completed accordingly. I was then given a case number (***1). I was told the process would take about 21 business days. A month passed by and my contract was still not cancelled, a great inconvenience and cost given I have another contract. I visited the branch again and they told me the contract was not cancelled because I was \unreachable\", which clearly suggests they did not try hard enough if at all to reach me. I made it very clear that I need the contract cancelled immediately, they told me they are updating the case and that I must wait a few more days. A month has passed and the contract is still active. I am paying a contract that I neither need nor want. Now, can I have this contract terminated immediately or is that too much to ask?"