cell phone soft locked

yesterday on the 09th September 2015 at 08:30 I phoned Vodacom call centre requesting that they open my cell phone since is soft locked due to cell phone limit. apparently the guy who helped me indicated that I have not reached my limit as yet and he is surprised why my phone is locked. the message from Vodacom indicated that I have reached my monthly limit of 350.00, but when I was talking to the consultant he indicated that it shows that I have used only R200.00 but at first he said R560.00 which I disputed and then he suggested that he forward it for investigation which will take couple of hours and then they will phone me to this date I have not received any call and this is my work cell phone. currently I am extremely frustrated cause no one is able to assist me. yesterday afternoon I called them again and the guy indicated that it will take only an hour then it will be open but up to now my phone is still locked and no one has phoned me. my reference number is 1-***.