No help Vodacom.

On the 13 of August I phoned to end my WiFi contract. I was told because I'm ending it on the middle of the month i must still pay for September. That iI did. Reference number: ***43 92349 . On the 16 of September I was phoned by Vodacom contacts for a upgrade. I told the assistant that my contract is cancelled on the 13 of August and this Sept was my last month. I was told yes, sorry they see it now. They will take me of the upgrade calls. On the 1st of October money was deducted form my Account. I stop the deduction and blocked Vodacom from my account. I called the next day. 1st my WiFi number.was change to pay as you go...was and could not give me the reason why.. 2nd struggled to get information on the system. Was put on hold several times. I explained every thing!!! I told them that I never got email. That I could not access my vodaco Pay account. ( That I phoned and went into Vodacom shop several times) no one could help me.. After about a hour I was told that I ow nothing and everything was settled.... Now Im getting calls on behalf from a dept collection agency . Claiming o owe money from Vodacom.... I want the recording for the 13th August, 16 September and 2nd Oct. If I'm in the wrong I will apologise and pay my dues but I want the recordings of the conversation. The reverence number is above with the 1st call. I want answers. I want to be contacted back with allm the details.