Paying for service but NO delivery

Speaking from Piet Retief/Ermelo area. We live on a farm with ample mtn towers all around us. We were forced to switch over to MTN as this was the only network that had signal in our area. Signal has always been an issue- some days are great but some days we go without signal for hours. This fluctuates with weather etc. However. For twoweeks now we have had 0 / ZERO signal. We are not able to call/SMS anyone from where we live remotely. This is not only inconvenient and incredibly frustrating but also very very unsafe if we were in an emergency situation and needed immediate help or assistance medically or security wise. MTN has not responded to our attempted enquiries via email or facebook as we cannot call them. Severely dissapointed and this will cause them to lose our contracts which we have many of since our whole business uses this network. I hope that they see this and understand the importance of good service and customer service as we are not very patient at the moment.