Vodacom Fibre Cancellation - A nightmare unlike any other

Welcome to my nightmare of trying to cancel a Vodacom Fibre contract that has lasted a whole year! On May 21st 2018 I sent an email to cancel my fibre contract with Vodacom. June 12th 2018 I received an invoice for the month and paid July 6th 2018- I receive an invoice for the service and pay - R705.13 August 8th 2018- I receive an invoice for the service and pay - R705.13 August 14th 2018- I contact the call center to query why the cancellation had not happened and why my account was still being debited. An employee Nathan Krige informs me that there has been a mistake with my billing and I will not be charged further. He then sends me a "blank" cancellation quote with an amount of R0 which I sign and send back to him. October 8th 2018- I am debited again for an amount of R1198.44 which I am not aware of. I therefore contact the call center again where I stay on the line for another hour only to be told that they are not aware of what the problem is and the billing department will handle it. Having been debited an amount that I was not aware of I therefore reversed the debit order with my bank. December 7th 2018 - I have been sent another invoice of R1299.32 to which I reply enquiring why this issue is still ongoing when there has clearly been negligence at Vodacom

I don't hear anything back from Vodacom until May 10th 2019! They apparently want me to pay an outstanding amount or there will be legal reprecussions! This has been the most frustrating thing I have ever had to deal with and I am at a point that I don't know who to turn to. The tactic seems to frustrate the customer to the point where they just pay, no questions asked.