Multichoice leaves me no choice

I have been a customer of multichoice for the last 6 years. 3 days ago they cut me off. Said I hadn't paid. I sent them proof of payment. Said they would contact me. Never did. I phoned them. They said to send the proof of payment again. I did. Nothing . So I called again and spoke to a charming gentleman named Odwa who asked me to send P.O.P. again. I did. Still nothing. So my money is being ******. Ref: the first time: ***0. Second time: ***0. third time... no number given. Customer number: ***.