Bad service

I have several contracts with Telkom, but for the last 2 months it is a struggle with the debit order for my fibre. Telkom deducts the amount and the next day pay it back, resulting that they deduct it then 2 days in a row and pays it back, then the "fault" lies with me or the bank, not with them. Then the amount needed to pay is double the amount plus R400 for the "deduction" not approved by the bank and your service is suspended. Last month they corrected the fault from their side after I registered a dipute, this month the same happened. I will need to put a grievance to ICASA as there is no resolution and it is a service I pay for, but with no interaction or rectification from Telkom's side. 😡