Unfair business practice

Hi I've been struggling for weeks with Telkom it looks like they don't have access to their credit management department , every time when I call the contact centre I'm told it's only contactable by email only by them . I need a paid up letter for my account that I cancelled and fully paid in May . I've been sending emails ever since to their National Customer Care for this paid up letter , still nothing. Their call centre agents keep telling me that it takes long for the paid up letter to come through and there is no contact number for the credit department.

I need this letter for my bond application. The banks will not continue to process my application because on ITC it shows that I have a Telkom monthly debit order of R14600 what the hell . I have until Thursday to submit the letter otherwise my offer will be cancelled .

I WOULD ADVISE PEOPLE TO STAY AWAY FROM TELKOM CONTRACTS