Sort out your mess

I have two account with JDG Financial services and I settled the one with Hi-Fi Corporation on 12/03/2015 the account number is *** Customer number ***, I have made several phone calls regarding this matter at first I spoke to a lady called Jane who said the matter would be escalated and I will have feedback within 72hours needless to say 72 hours have since passed and this morning 04/05/2015 I made a follow up call to enquire and spoke to a very rude girl called Nonsokolo and she said I must send a proof of payment which I did , Yet she didn't want to answer my question when I asked why I was promised a call within 72hrs she said they don't make outgoing calls I explained to her I even presented the proof of payment at their in branch in Nelspruit what bothers me is that this ****** up is tarnishing my credit profile on ITC can someone please assist.needless to say this I will be settling my Rochester account next month as well the level of incompetence is too much for one to bear.