--- wrapper/wrapconnection.cxx.orig	2008-03-20 17:31:59.000000000 +0200
+++ wrapper/wrapconnection.cxx	2008-03-20 17:32:19.000000000 +0200
@@ -30,6 +30,7 @@
 /************************************************************************/
 
 #include <ptlib.h>
+#include <ptlib/sound.h>
 #include <h323.h>
 #include <h323pdu.h>
 #include <mediafmt.h>