When Vodacom says something has been cancelled/not renewed, they're lying.

Received a warning letter for 3 month nonpayment for a contract that was NOT renewed,very specifically asked them to NOT renew it as I am under debt review and they won't renew/finance any new devices anyway, thus it is services not rendered that I am expected to pay for. Sim doesn't even work anymore, because it was not renewed. Did I mention the contract was NOT renewed. How do I go about getting Vodacom to stop purposefully not cancelling little services that is part of a contract just so they can nail you for it 3 months down the line. I tried to phone this in but my vodacom line is so bad I couldn't even hear the consultant on the other end, as a positive point she tried to phone me back from an 082 cell number, which was just as poor. Oh the Irony.