key 107   ENDCALL           WAKE_DROPPED
key 113   MUTE
key 114   VOLUME_DOWN
key 115   VOLUME_UP
key 163   MEDIA_NEXT
key 164   MEDIA_PLAY_PAUSE
key 165   MEDIA_PREVIOUS
key 226   HEADSETHOOK       WAKE
key 231   CALL              WAKE_DROPPED