/* Perform special handling just to simulate something on the SMSC */
private void onSpecialHandling(SubmitSm submitSm,
SMPPServerSession source) throws ProcessRequestException {
if (submitSm.getDestAddress().equals(Agreement.THROW_NO_DESTINATION_EXCEPTION)) {
throw new ProcessRequestException ("Invalid Dest Addr", 0x0B);
}
if (new String(submitSm.getShortMessage()).equals(Agreement.DELAY_PROCESSING)) {
try {
logger.debug("Delaying handling for {} ms", messageDelay);
Thread.sleep(3000);