I have a phone contact with Telkom more than ten years and we made agreement that every end of the money debit order my go through from the past 6 months Telkom is trying to deduct the money from the 25th I caled their call centre to make them aware becau

I have a phone contact with Telkom more than ten years and we made agreement that every end of the money debit order my go through from the past 6 months Telkom is trying to deduct the money from the 25th I caled their call centre to make them aware because am paying too much from my back because of debit order that bounce there was a time I had to pay R1000 of bank charges because of Telkom. even June the did the same I have more than 7 deduction that bounced I must pay that again