VODACOM is a *****

I have been in contact with Vodacom on several occasions since July. I have two contracts with them and have asked them to cancel one in July. I am still being billed since July, I have a good mind to stop the debit orders via my bank even for the contract that I do not intend to cancel, maybe then I will get a response from Vodacom, it is now month three and the debit order amount as not changed or their statements, as I said I am being billed for something I am not using. They will not call me back yet promises are made to do so. The number has been changed to a pay as you go but I am still billed for the account. VODACOM this is disgusting behaviour, and non ethical, how do you feel when you *****ing from people especially now during this financially stressful times.