symbian {
TARGET.CAPABILITY = ReadUserData \
    WriteUserData \
    ReadDeviceData \
    WriteDeviceData
}

#include <qtmessaging.h>
 
private slots:
    void messageStateChanged(QMessageServiceAction::State s);
private:
    QMessageServiceAction m_MessageServiceAction;
    QMessageId m_sendId;

// connect messageseives statechange signal to our slot, to get notification    
connect(&m_MessageServiceAction, SIGNAL(stateChanged(QMessageServiceAction::State)), this, SLOT(messageStateChanged(QMessageServiceAction::State)));    
 
void send_sms::QtSendSMSMessage(QString address, QString body) {
    // Prepare QMessage with address & body
    QMessage message;
    message.setType(QMessage::Sms);
    message.setTo(QMessageAddress(address, QMessageAddress::Phone));
    message.setBody(body);
 
    if (iMessageServiceAction.send(message)) {
        sendId = message.id();
        } 
    else {
        // message sending failed
        }
    }    
 
void send_sms::messageStateChanged(QMessageServiceAction::State s) {
    if (s == QMessageServiceAction::Successful) {
        // message send successfull
        }
    else {
        // message sending failed
        }
    }