diff --git a/src/Network/fgcom.cxx b/src/Network/fgcom.cxx
index bcd6f1c..387859f 100644
--- a/src/Network/fgcom.cxx
+++ b/src/Network/fgcom.cxx
@@ -68,6 +68,15 @@ const int special_freq[] = { // Define some freq who need to be used with NULL_I
 static FGCom* static_instance = NULL;
 
 
+static void mesPopup(const std::string& message, int delay)
+{
+    SGPropertyNode_ptr args(new SGPropertyNode);
+    args->setStringValue("label", message);
+    args->setIntValue("delay", (delay) ? delay : 15);
+    SG_LOG(SG_GENERAL, SG_ALERT, message);
+    globals->get_commands()->execute("show-message", args);
+}
+
 
 static int iaxc_callback( iaxc_event e )
 {
@@ -641,10 +650,8 @@ void FGCom::valueChanged(SGPropertyNode *prop)
           // ensure that we are on the right channel by calling setupCommFrequency  
           //fgSetString("/sim/screen/red","PTT按下，请讲...");
 
-    SGPropertyNode_ptr args(new SGPropertyNode);
-    args->setStringValue("label", "PTT按下，请讲...");
-    args->setIntValue("delay", 5);
-    globals->get_commands()->execute("show-message", args);
+          mesPopup("PTT按下，请讲...",5);
+
 
           setupCommFrequency();
           iaxc_output_level_set(0.0);