rain is a *******, *****ULANTS

This is the worst service provider in the world. They say its on a month to month, I did not pay one month and my service was deactivated that month and when I was ready for payment for that month that I was owing , i have a bill to pay R957 with no explanation. I am not paying a dime. Once you send me my bill for the R300 that i am owing you, i will pay and please cancel this stupid sim card. there is huge difference between a month to month contract and a 12/24/36 month contract. If my sim is not active YOU CANNOT CHARGE FOR THAT MONTH ... UNTILL I HAVE PAID WHAT I AM OWING THEN WE MOVE ON