Telkom trying to rip me off!

This is my second complaint about Telkom and about the same thing, but on 11/09/18, i have made an electronic payment to Telkom as the consultant i spoke to that day told me the reason they couldn't deduct their installments for two months was due to insufficient funds and if they didn't receive payment the first month then you'll always be in arrears as they don't attempt to deduct again the next month, but i argument with her was that our agreement was for them to deduct on the 1st of the month, then they went and attempted debiting on the last day of the month which i never agreed upon! I then requested their banking details which i received and that very day ( 11/09/18) i made an electronic transfer of R481.76 which was for the two months. September i made sure that my installment was in my account as i changed the debit date to the 5th, but the consultant told me for September and October they'll still be debiting on the last day of the month, the new debit date will only be in November... Now when i checked why Telkom again never deducted i saw on my banking statement it's because they tried to debit an amount of R925 and some cents and my installment is R244 and some cents....how the hell can they charge me for money they already received! Telkom is ****ing me off!, They are now trying to rip of loyal clients, and at the same time they are making it look like I'm not paying this account!... They never had the decency to phone me after the last complaint,! That's why I'm getting sickand tired of their services...i always give them good reviews on surveys, but right now I'm done with that... Telkom you are officially one of my worst experiences ever!