Product sold, billed, not delivered

Hi, I was phoned by sell direct and agreed to a R89 pm contract including the 3G modem. I was told it will be couriered to me within 2 to 5 working days and that I would have a 7 day cooling period. 3 days later I was phoned by the courier who was going to arrange delivery. <br> Not heard from courier again. <br> Sell direct agent phoned twice afterwards saying they would organise delivery. <br> Not heard again from agent. <br> Now at 12 working days, no package received. Debit of R99 already went off my account. <br> Phoned Telkom, they say they cannot help<br> Phoned Cape Town Sell direct 4 times ***) stayed on line for more that 10 minutes without getting the call answered. Cape Town calls are expensive from Richards Bay. <br> Emailed Sell Direct. Still no response. <br> Have no idea how to get this sorted out?