Terrible service

I am really disappointed with the service I'm receiving from Telkom call centre<br> I have contacted them on numerous occasions and had no feedback with regards to my Billing query/refund. You can listen to all my calls, my last call I advised that should I not receive a call from management I'll be stopping my d/order for October maybe by doing this I'll get some response from someone.<br> This contract was taken out for my daughter ,I advised them that the limit should not exceed the contract amount. For the last 20 months the correct amount was deducted, in September my d/o was way more than my contract amount ,I queried this and was told that my limit was increased ,this was done without my consent and demanded that they refund the difference into my account and set the limit back to 0 ,I also advised them to adjust my October d/o as I did not want them to deduct the incorrect amount in October . <br> To date nothing has been resolved and I am still waiting on feedback from Management, management that's never there and always in \meetings "I'm not renewing my contract"