OnAir DSTV give no customer service.

I was contacted to upgrade my decoder, which I agreed to. It was never deliver. But my bank account is debited twice every month. When I phone OnAir they delivered the decoder in Klerksdorp and I am staying in Kroonstad. It was also activated, and it was not me. I queried it with the customer service department and still no response. It is 2 months now. I keep phoning in with no results if I phone in, I am cutt off.