Cannot cancel contract on Vodacom

I have been trying for a month now to cancel my contract. I eventually completed the \Cancel Contract"document and got a SMS saying that my contract is \""already cancelled\"". This is clearly not the case. I'm still being debited.<br> <br> But my main problem is I cannot get through to anyone to speak to. Every single time I call this is what happens:<br> - Firstly I can't get through to Cancellation Department(***). It just doesn't dial from my Vodacom cell. So I have to call Customer Care and the be transferred to Cancellation Department. I then speak to someone from Cancellation Department and get told that my number is on new \""3D System\"" and they can't help me but will transfer me to another department. I go on hold and eventually when someone picks up"