Wrong billing and edgars giving up my personal information to be ******

I called Edgars customer care complaining about people calling me selling a subscription of 78.00+ 49.00+49.00. I said to the lady i did not sgn up for that but the lady dropped the phone. how can they not help me if its them that gave up my details. I did not even use that airtime but its on my account and am expected to pay it . disgusting can someone help