diff -r ac20d6a0a19d -r b982c3e940f3 telephonyserverplugins/common_tsy/commontsy/src/mmtsy/cmmconferencecalltsy.cpp
--- a/telephonyserverplugins/common_tsy/commontsy/src/mmtsy/cmmconferencecalltsy.cpp	Mon Aug 09 17:43:08 2010 +0100
+++ b/telephonyserverplugins/common_tsy/commontsy/src/mmtsy/cmmconferencecalltsy.cpp	Tue Sep 14 17:55:14 2010 +0100
@@ -197,7 +197,9 @@
     if ( trapError != KErrNone )
         {
         //error handling. Object cannot be created.
-        ReqCompleted( 0, trapError );
+		//reset request handle to indicate the request is no longer ongoing
+        iTsyReqHandleStore->FindAndResetTsyReqHandle(aTsyReqHandle);
+        ReqCompleted( aTsyReqHandle, trapError );
         }
     //if return value is not KErrNone
     else if ( ret != KErrNone )
@@ -205,20 +207,20 @@
         //Complete request with this error value
         ReqCompleted( aTsyReqHandle, ret );
         }
-
-    //save request handle
-    if ( EMultimodeConferenceCallReqHandleUnknown != iReqHandleType )
+    else if ( EMultimodeConferenceCallReqHandleUnknown != iReqHandleType )
         {
+        //save request handle
 #ifdef REQHANDLE_TIMER
         SetTypeOfResponse ( iReqHandleType, aTsyReqHandle );
 #else
         iTsyReqHandleStore->SetTsyReqHandle( iReqHandleType, aTsyReqHandle );
 #endif
-        // We've finished with this value now. Clear it so it doesn't leak
-        //  up to any other instances of this method down the call stack
-        iReqHandleType = EMultimodeConferenceCallReqHandleUnknown;
         }
-
+    
+    // We've finished with this value now. Clear it so it doesn't leak
+    //  up to any other instances of this method down the call stack
+    iReqHandleType = EMultimodeConferenceCallReqHandleUnknown;
+    
     return KErrNone;
 
     }