[ #7901 ] It is far from beautiful, but it work in most cases

src/Call.cpp

@@ -490,11 +490,13 @@ call_state Call::actionPerformed(call_action action)
    Q_ASSERT_X((state>4) || (state < 0),"perform action","Invalid action ("+QString::number(action)+")");
    Q_ASSERT_X((action>5) || (action < 0),"perform action","Invalid action ("+QString::number(action)+")");
    //update the state
+   if (previousState < 11 && action < 5) {
       changeCurrentState(actionPerformedStateMap[previousState][action]);
       //execute the action associated with this transition
       (this->*(actionPerformedFunctionMap[previousState][action]))(); //WARNING BUG //WARNING SEGFAULT //TODO remove this node, it was not a good idea, it is not stable
       qDebug() << "Calling action " << action << " on call with state " << previousState << ". Become " << m_CurrentState;
       //return the new state
+   }
    return m_CurrentState;
 }