sourceAddr, destAddrTon, destAddrNpi, destinationAddr,
esmClass, protocolId, priorityFlag, scheduleDeliveryTime,
validityPeriod, registeredDelivery, replaceIfPresentFlag,
dataCoding, smDefaultMsgId, shortMessage, optionalParameters);
SubmitSmResp resp = (SubmitSmResp)executeSendCommand(submitSmTask, getTransactionTimer());
return resp.getMessageId();
}