Worst Service ever in the month of February

I'm very disappointed in the way they have been treating me, My monthly payment is R398 I'm receiving SMS's telling me to pay r692 or I'll be disconnected and in the month of February alone I paid R600 already, they disconnected me about 5times in the month of February 2020 and every time I call them they tell me I've been unfairly disconnected then they reconnect me. I've spent over r300 worth of airtime they put me on hold and when I request for the manager they tell me they don't have any manager on the floor I really fail to understand how possible is that for such a big company and no manager on the floor. Nobody has compensated the amount of airtime I've used instead they keep telling me that they are sorry and they have a system glitch therefore they will sort it out and every week I speak to a different consultant but they are still failing to assist me with this problem that I'm facing. I hope Someone does something with regards to this issue and Refund or compensate me.