********** by Telkom

I have a contract with Telkom and they debit R300 every month. I missed my payment on 31 August 2021 and my sim card was suspended. I then made payment of the R300 on 18 September 2021.Suprisinly the also debited my account on 20 September with R600.So for missing a payment of R300 it has costed me a total of R900.Unbeliviable i think i need to cancel my contract with them. What a *******