Bad service from vodacom SA

I have been calling vidacom for the past six month with the samr quiry, that they debiting me amounts that i didnt sign off for on my contract, i am been sent logged ticket no every month and when i ask how thus amount escalated i am been shut by the consultant that the is nothing they can do because i just logged the ticket and when i ask for resolution for last month i am told they cant see because new quiry has been logged for +6month this has been happening and no one gets back to meall i get is been hang up on when i ask what is the next step from here, this aldo affects my status on itc since some account cant get the money since vodacom debited more than provided for My new ticket is this one ***