diff -r 796276a1bdcc -r 9fdee5e1da30 instantmsgindicatorplugin/inc/instantmsgindicatorpluginimplementation.h
--- a/instantmsgindicatorplugin/inc/instantmsgindicatorpluginimplementation.h	Wed Mar 31 21:14:49 2010 +0300
+++ b/instantmsgindicatorplugin/inc/instantmsgindicatorpluginimplementation.h	Wed Apr 14 15:46:18 2010 +0300
@@ -64,8 +64,11 @@
 		 * @param aSeriveId, service id.
 		 * @param aSenderId, message sender id.
 		 * @param aMultipleSender, count of number of P-2_p chats.
+		 * @param aCloseConversation, indicates that this even came from closing the 
+		 * conversation and hence no need to paly the tone if there were already new messages.
 		 */
-     void MessageInfoL(TInt aNewMessages, TInt aSeriveId, const TDesC& aSenderId, TInt aMultipleSender);
+     void MessageInfoL(TInt aNewMessages, TInt aSeriveId, const TDesC& aSenderId, 
+                       TInt aMultipleSender,TBool aCloseConversation = EFalse);