Unauthorized deduction

Multichoice deducted R2164-50 yesterday from my account. It is usually - R750, depending on how many days we used the dual view(holiday decoder). According to Multichoice I had it connected on 1/1/15 for 24 hours, which is correct, but then I apparently phoned again on 4/1/15 to have it connected. I am not aware of such call. I don't want to pay by debit order any more because I don't want any company to debit my account with any amount they want to. I spoke to Resilwe Mokatsanye at Multichoice and are waiting eagerly to see if this matter is solved within 24 hours.