when you want to call someone, you can say to phone like that "call and name that you want to call". After that your phone would search name and call.
when you receive call, your phone will announce you who it is.
In sending message, you just say that "massage and name that you want. After than your phone will help your message. In receiving message, your phone will announce who sent message.
In executing program, you can say that " execution camera" and then it will execute camera application through the ICON label.
Also when you use bluetooth headset, you just push volume key. If you do this, it will run.