diff -r 453da2cfceef -r 71781823f776 qtmobility/src/messaging/qmessageid_symbian.cpp
--- a/qtmobility/src/messaging/qmessageid_symbian.cpp	Fri May 14 16:41:33 2010 +0300
+++ b/qtmobility/src/messaging/qmessageid_symbian.cpp	Thu May 27 13:42:11 2010 +0300
@@ -40,7 +40,7 @@
 ****************************************************************************/
 #include "qmessageid.h"
 #include <qhash.h>
-
+#include <messagingutil_p.h>
 
 QTM_BEGIN_NAMESPACE
 
@@ -81,9 +81,9 @@
 
     if (!d_ptr)
         d_ptr = new QMessageIdPrivate;
-    
+
     d_ptr->_id = other.d_ptr->_id;
-        
+
     return *this;
 }
 
@@ -91,10 +91,10 @@
 {
     if (!other.d_ptr && !d_ptr)
         return true;
-    
+
     if (!other.d_ptr || !d_ptr)
         return false;
-    
+
     return (d_ptr->_id == other.d_ptr->_id);
 }
 
@@ -103,12 +103,12 @@
     long left = 0;
     long right = 0;
     if (d_ptr) {
-        left = d_ptr->_id.toLong();
+        left = SymbianHelpers::stripIdPrefix(d_ptr->_id).toLong();
     }
     if (other.d_ptr) {
-        right = other.d_ptr->_id.toLong();
+        right = SymbianHelpers::stripIdPrefix(other.d_ptr->_id).toLong();
     }
-    
+
     return (left < right);
 }