Talking interface.
During talking, you can end the call at
any time by tapping A .
B : Tap this button to mute the
microphone so that the current
conversation cannot be heard by the
other party; tap this button again to
cancel the mute state.
C :Tap this button to display the dial
keypad.
D : Tap this button to switch the
telephone receiver sound between the
mobile phone and the multimedia
system.
Dialing interface.