TELKOM YOU ARE PATHETIC - NO SERVICE IN SA

Is there somebody who could maybe assist? We took out a 24 month contract with Telkom which expired now in July 2019. We have phoned them numerous times and all we get is Case Numbers. Now we have been handed over to Nu Debt for money they claim that we owe them even though we have all the payments since the contract took place in 2017. The more we try and explain to them over the pone what the situation is, the phone gets put down in our ear, which is VERY UNPROFESSIONAL. The people in the accounts department has no idea as to how to resolve this once and for all. Now they are threathening us by black listing us even though we don't owe anything. Every month since the contract had expired, they still take off uncalled Debit Orders that we, unfortunately, have to keep reversing. How long is this still going to take? Only other option is to then contact the Ombudsman and I will make sure that everybody else is aware of the service you get when taking out a contract with them. We have emailed them all the POP, I emailed it a second time and we dont even get a response from them to acknowledge that it has been received. They are not QUICK to help/assist you. Rating a 1 star is not even worth it as its way to much of a rating for Telkom.