diff -r ff3b6d0fd310 -r a4a774cb6ea7 phoneclientserver/phoneserver/Src/Standard/PhSrvSubSessionFactory.cpp
--- a/phoneclientserver/phoneserver/Src/Standard/PhSrvSubSessionFactory.cpp	Tue Feb 02 01:11:09 2010 +0200
+++ b/phoneclientserver/phoneserver/Src/Standard/PhSrvSubSessionFactory.cpp	Fri Feb 19 23:21:58 2010 +0200
@@ -97,11 +97,11 @@
             subSession = 
                 CPhSrvSubSessionMessenger::NewL( aSession );
             break;
-
         case EPhoneServerImageHandlerSubSessionOpen:
             subSession = CPhSrvSubSessionImageHandler::NewL( aSession );
             break;
         default:
+            User::Leave( KErrArgument );
             break;
         }