you should pay; you should contact them if you have not done so already. It's a licence to receive programming.
Whether you perceive the amount per annum to be value or not, it's government-backed and you simply have to pay.
Contact:
http://www.billag.ch/web/
Other reading:
http://www.20min.ch/news/wirtschaft/story/15871915 http://www.20min.ch/news/schweiz/story/20638778