billed for incorrect services and no feedback

I app**** and received a telkom 4mb/s adsl line with uncapped advance in August 2014. In November 2015 I received a bill from telkom showing that they reversed all my payments for my uncapped advance and charged me for premium plus and 10mb/s resulting in myself owing telkom R4146. I have a existing complaint on Hello Peter http://hellopeter.com/telkom/complaints/billing-for-services-never-recieved-*** Up to date I have no further feedback from any form whatsoever. I phoned telkom a week after the hello peter complaint and nor the billing or sales or technical department can check for me on the reference number, they say it does not exist and there is no such number for telkom. <br> Can I please have a telephone number for a person who i can deal with to resolve the problem asap.