Telkom account **********ly opened in my name.

I recently discovered telkom debiting my account. I phoned there call centre was advised that two cellphone contracts was opened in my name. How's this even possible ? Telkom is now debitting my account for the money. I've submitted all the documents. Every time I phoned there call centre they advise telkom is still busy with investigation. Does telkom have a ***** line for contract disputes ? What must i do ? There call centre is not helping...