public void onCallForwardingIndicatorChanged(boolean cfi) public void onCallStateChanged(int state, String incomingNumber) public void onCellLocationChanged(CellLocation location) public void onDataActivity(int direction) public void onDataConnectionStateChanged(int state) public void onMessageWaitingIndicatorChanged(boolean mwi) public void onServiceStateChanged(ServiceState serviceState) public void onSignalStrengthChanged(int asu)