Double billed

On the 17th of December I ordered the 12 month contract from Dstv. Today the 4th of January I still have not received information or anything from the company and to make it worse I'm billed for a service I do not have. Dstv customer care keeps logging calls in order for the department responsible for double billing me to fix my account which doesn't happen. I was promised to be called by the sales department to rectify the issue and 24 hrs later as per promise no one contacted me. So can someone advise me on a subscription I can use to stream sport life as I have already gained access to Netflix and showman.