I have a Pioneer DEH-P7100BT head unit in my car (fairly new model.) Bluetooth always worked flawlessly with my blackberry phone. Issue with the Evo, I can pair the Evo with my stereo and I even get the call notifications on the LDC when my Evo rings, but the calls simply do not go through the speakers. I can output audio through bluetooth, navigation, music all work, calls do not. Am I missing something in the bluetooth or phone settings or is there a compatibility issue with my car receiver?