Telkom Refund

I am totally frustrated with telkom. Had a contract with them for telkom mobile which I then submitted to be cancelled online. They closed the ticket saying I am happy with my contract when I asked for the cancellation figure after their 30 days notice. They said I need to log another cancellation call so I am not penalized for early termination I told them to just give me the figures with the penalty costs. I owed R7000 together with the charges it went to R10200 which I paid. Then the coming month end a debit went through my account though I paid them and they advised it reflected in their account. I called and told them to refund me back my R1400 as I had settled the account. Now they refunding me the R10 000 instead of the R1400. I told them that they need to cancel this and send me just the R1400 and they are saying there is nothing they can do about it I must just wait for the R10 000 then refund it back to them but my account will be in arreas. Like what the ***. Am I the one who did errors and why am I suffering for their mistakes. When I ask to be transferred to the accounts team they refuse. I will never ever buy or have a contract with telkom in my entire life. Been logging tickets but they keep ***n up!!!!!!!!!!!!!!!!!!!!!