Poor Service, no customer care, no signal

I have reached my level of tolerance with the poor network coverage by MTN. I live in the Fourways area which is a well-developed very popular suburb. Consistently and without fail I cannot make a phone call or receive a message where I stay. I need to stand in my yard and scurry around trying to find the slightest hint of signal to communicate with my friends and family. Dropped calls and continuously repeating \ Can you hear me now.... can you hear me now.....wait