I did something a little bit different. I paired my Nolan helmet like device 1; I paired my iphone 5 like device 2. I fixed the iphone on the handlebar of the bike inside a full water resistant cover made for biker by Cellular line. This cover has a key that allow you to press iphone central botton, so you can activate Siri even with gloves. Activating Siri in this way you can call or even dictate SMS (with a 90% accuracy level... but good enough for quick communications). Incoming calls are manageable though the bike buttons and you can read the caller in the bike display; same thing for the outgoings call, with the difference that you have to start the call with SIRI (or removing the glove and using the phone display on the cover). Furthermore you can listen to music trough AD2P protocol form the audio system, just selecting iphone like Bluetooth device. Connecting iphone with USB, I was not able to phone, just to listen to music, even if I connected the iphone via bluetooh at the same time.