Cant get any help from vodacom

i have done ugrade with vodacon in july and the consultant i have spoke advise that what am doing is called early upgrade so they will double debit(for previous phone and the new one) the urgent confirm monthly installment to me i am now asking for Recording to through since the amount seems to have change. i have holding for different department and one is able to help me. Can you get the right department to get me what i am requeating and send to without calling me since am getting irritated of keeping repeating myself to different people and department.