UNHAPPY CUSTOMER

I have a contract with telkom wireless and i am due for a upgrade which i phoned like 2 or 3 months ago and the call centre could not assist me so i then phoned Telkom Southgate as i know one of the consultants there and she then sent in my necessary documentation and according to the upgrade department i still owe them money which i find impossible as they debit me every month Lots of people are complaining and i agree with them that TELKOM is ****