Internet Contract

I have been struggling more then 2 month with telkom send email of proof of payment to telkom and they say they cant find it the suspended my account adding more money onto my account with out my knowledge...i been phoning and asking for feedback...the mangers doesn't call you back .i am truly upset with telkom as they account department doesn't know what they are doing how can it take more then 2 month and still can't find my proof of payment after several emails Telkom telling us how to choose them as internet service but they adding more money onto your account and can't even find proof of payment as my bank said the money was paid As telkom head office phones aren't even working as they don't put the right number on ..