Telkom bad service

My brother inlaw has paid account late wich the consultant was aware of and he made immediate payment, but when he spoke to the consultant she did not mension the extra R200 for bounced depit order, November came he paid 10 days before the time aswel as December but when he got he's December bill telkom charged him R200 extra wich is not on, your people at the call Centre seriously need to comcider doing there work properly and give the correct information to clients now he's sitting with extra bill that just appeared after nothing was explained to him.. Telkom pls have this seen to

Thank you