REMOVE MY NUMBER FORM SYSTEM

I have been receiving calls from African Bank since end of September almost every other day regarding Isaac Masemula, I have asked numerous of times to remove my number from African Bank system due to the person in question was one of my workers who doesn't work for me anymore since February 2015, today 14/10/2015 @10.56 when a lady again phone on a Private number regarding the mentions person I asked again to remove my number from the system and she drop the phone.<br> <br> Please remove my number from your system ***)<br> <br> Isaac Masemula Cell No: ***<br> <br> Thank You