Cancellation of a contract

A request was put in on the 26 October to Telkom cancellations department as instructed by a call centre agent with the required documents. After calling the call centre two weeks later, i was told that i need to wait 21 working days before my request will be processed and i should call back. Since then i have called and emailed and have got no response. I signed a 24 month contract and do not want to renew it, yet i continue to pay the contract for the 3 month now with no confirmation from the cellphone company that my cancellation has been processed. I require immediate assistance please as this process has been very frustrating as a customer. Thank you.