Deactivated Banking Profile

I have been trying for months to get my Business banking profile reactivated, yet FNB are failing completely. First, they will call you at an odd time in the evening, which does not allow for you to test the process, then, when you finally are able to test the process - it does not work! You try again, then they will tell you that signatures don't match...but they assisted with the first submissions, using the very same signatures. HOW AM DOES ONE GET THEIR BUSINESS ACCOUNT REACTIVATED, IF THE BANK ITSELF SHOWS NO INTEREST TO ASSIST.