public void updateCallDuration(long duration, long remain) {
int hour = (int) (duration / 3600000);
int left = (int) (duration % 3600000);
int min = left / 60000;
left = left % 60000;
int sec = left / 1000;
left = left % 1000;
int ms = left / 10;
long callDuration = (byte) hour << 24 + (byte) min << 16 + (byte) sec << 8 + (byte) ms;
}