Pathetic Telkom

So I pay my telkom bill every month via my banking app. Not been a problem. So last month my bill came to a bit more and I was expecting this so at the end of the month I paid in R300 and then again the beginning of this month R500 which covers more than my bill. I get an sms last week stating my account is in arrears. I look on the app and it does not show that the received it. According to my bank records it was paid. Now it is impossible to speak to a telkom representative on the phone. I have sent emails sms’ nothing no call back and no joy on my acc. I now find that telkom has listed me as a slow payer on the credit bureaus. ***? I am sick and tired of Telkom’s **** service.