Utter refusal to process a cancellation of a contract

So disappointed in Telkom. Utter refusal to process a cancellation of a contract that ended in April 2020. Sent numerous emails to the cancellations department to no avail. Called on the 28th August and followed procedure online as directed to by the customer service consultant. Received an sms to confirm a cancellation case number.

"Telkom Cancellation Case: ***9 has been logged for Service ***"

Received a cancellation confirmation on the 11th September via sms to inform me that the cancellation request has been processed.

"Dear valued customer herewith is the reference number related to your cancellation service number:‪***‬A . Ref: ‪***‬A . Order has been back dated to 28/08/2020TelkomSA."

To date I am still being billed for the usage of the line.

I received an sms to inform me that my Telkom account have now been handed over to an attorney and also being charged attorney fees.

" Mrs....... urgently contact Attorneys for Telkom regarding your outstanding Telkom ***/*** ref***"

The service is appalling bad. I'll never sign a deal with Telkom again and would not recommend anyone to consider using their services.