It's some sort of broadcaster tool for radio stations. Might be possible to stream this from your feeds too. Good for people listening without smart phones or if there is a major incident all of the listening spots available would have filled up.
http://telecurve.comCentral (Press 3):
Houston Area, TX
Eastern (Press 4):
Westslope/Sandpatch Area, PA
Eastern Canada (Press 5):
Hamilton - Ontario
Press # to stop listening to the current stream and go back to the menu.
More information on the Telecurve Listening option is available here
http://www.railroadradio.net/content/view/261/309/