diff --git a/coreapi/callbacks.c b/coreapi/callbacks.c
new file mode 100644
index 000000000..f4d2bc466
--- /dev/null
+++ b/coreapi/callbacks.c
@@ -0,0 +1,25 @@
+/*
+linphone
+Copyright (C) 2010  Simon MORLAT (simon.morlat@free.fr)
+
+This program is free software; you can redistribute it and/or
+modify it under the terms of the GNU General Public License
+as published by the Free Software Foundation; either version 2
+of the License, or (at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program; if not, write to the Free Software
+Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
+*/
+
+
+#include "sal.h"
+
+#include "linphonecore.h"
+#include "private.h"
+