Telkom bill misleading - you have no right to charge a reconnection fee

I called for a balance in June. The automated voice said R487.92. I paid it. A few weeks later the next account arrived. It showed that I short paid. It showed a balance brought forward. The total outstanding and total due on 12 August is R1,092.15. But on Monday 29 July Telkom cut my service. We called and eventually after 25 minutes the phone was answered. We spent another 45 minutes on the phone. They said I short paid and they have no record that I called to find out the outstanding balance. The account does not show OVERDUE. It shows DUE BY 12 AUGUST 2019. I paid the R1,092.15 on 31 July 2019. Two days later they reconnected my phone and said I will be charged UP TO R250.00 on the next bill for reconnection fees. Their account is MISLEADING. If there is an overdue amount the account should be broken down into monthly slots and NOT show DUE BY 12 AUG. You have no right to charge a reconnection fee on such a misleading account