Annoyed Telkom Customer

For some strange reason Telkom started billing me for a 20mg line and I have a 4mg line. My account went from R800 to R3000. I logged a call on the 20th of June, and to date I have not been able to get the to fix their stuff up. I have called daily every morning and every sign morning a new agent answers asking the same information and claim to escalate. I have been to the Telkom office in Rosebank, they just look at me and do nothing but idle. The service is patheic, I cannot even cancel. An to add insult to injury, they suspended my account because I have not paid. I honestly do not know what else to do. No I have to pay for a line that has been terminated for 3 week. Absolute *****s!!!