The experience with Telkom is very bad, i remember canceling my contract due to the incorrect collection date and now they did it again

Hello I have a contract with Telkom which is a Data sim, i missed December payments due to the incorrect dates that they debited me. I paid R200 on the 17th of January. Telkom charged me R200 for arrears which was not my fault for them to debit on an incorrect date. My querie is they debited R329 which was supposed to be R129 on the 31st of January, now my line is closed due to non payment yet they debited. When i call they are telling me that they can't open the line i need to wait for 7 days inorder for them to reopen it. I want my line opened and i want the R200 that they charged me.