//Wait for specified delay in the step
QTimer *timer = new QTimer(this);
timer->setSingleShot(true);
connect(timer, SIGNAL(timeout()), this, SLOT(continueSendDTMF()));
//Wait for specified delay in the step
QTimer *timer = new QTimer(this);
timer->setSingleShot(true);
connect(timer, SIGNAL(timeout()), this, SLOT(continueSendDTMF()));