I have a Nokia N95 8gb phone. It has a plug on it that fits the AUX jack in the smart. I was listening to my music off my phone in the car and I received a call. The music quit playing and I answered the call. I could hear their voice over the speakers in the car. When I would talk they could hear me. It was really neat. I just wanted to share with you guys incase your phones have the same jack.