Unhappy with onair

On the 9th of September got a call from a lady(forgot her name). She told me she works for on air TV in partnership with Dstv. She told me that the old decoders are being phased out they are now using new decoders that have a new software. She said that if I don't change my old decoder it will give me problems. She further told me that it will be to late to change if I do not change it now. I asked her if I would have to pay for the new decoder and she said I will only pay R179 for 24 months. After 24 month I will own the decoder. She said that the decoder is a package deal for R179 that comes with rewind, fast-forward, pause, and record. I agree because i was going to be able to afford the deal. The decoder was delivered and installed. After installing the installer told me to call Dstv for activation for the rewind, fast-forward, pause, and record. When I called Dstv I was told I need to pay R105. Which was a surprise to because I was told it was only R179 as a package. Dstv lady told me that the onair agents are lying to customers telling them they will only pay R179. Where the is a R105 that must be paid for the activation of the explora. She then gave me onair TV numbers. Called the onair number at 17:20 was on hold till 17:35 and the answering machine said they are closed I should call from 8am to 17:30 and got a whatsapp number. I have since been calling onair TV with fail,the calls are never answered. Now I must pay extra money for something that I didn't need. I was happy with my old Dstv now I am paying extra because of onair TV