At Infocomm 2014 in Las Vegas Florida based Showcontrol manufacturer Alcorn McBride announced that it supports Apple's iBeacon technology for their VCore Controller products in combination with their iOS App.  Using Ibeacons the user interface on the iOS device will change according to its location in a building and can have control over just that room .

Have a look at this presentation at Infocomm :

 or

https://www.youtube.com/watch?v=Cbc5xHXyGcs