diff -r c84cf270c54f -r 8871b09be73b phoneengine/callhandling/inc/mpecallhandling.h
--- a/phoneengine/callhandling/inc/mpecallhandling.h	Tue Feb 02 00:10:04 2010 +0200
+++ b/phoneengine/callhandling/inc/mpecallhandling.h	Fri Feb 19 22:50:26 2010 +0200
@@ -317,6 +317,14 @@
         * @return Error (KErrNone is success).
         */ 
         virtual TInt ForwardCallToAddress( TInt aIndex ) = 0;
+				        
+        /**
+        * Put all the calls to idle and make an request to 
+        * end the connection 
+        * @return KErrNotFound if there is not a call 
+        *         KErrNone if there is one call at least
+        */
+        virtual TInt ReleaseConference() = 0;
         
     public: // DTMF related
         /**