diff --git a/extensions/dbg_interactive/dispatch.i b/extensions/dbg_interactive/dispatch.i
new file mode 100644
index 0000000..bc39251
--- /dev/null
+++ b/extensions/dbg_interactive/dispatch.i
@@ -0,0 +1,146 @@
+/*********************************************************************************************************
+* Software License Agreement (BSD License)                                                               *
+* Author: Sebastien Decugis <sdecugis@freediameter.net>							 *
+*													 *
+* Copyright (c) 2013, WIDE Project and NICT								 *
+* All rights reserved.											 *
+* 													 *
+* Redistribution and use of this software in source and binary forms, with or without modification, are  *
+* permitted provided that the following conditions are met:						 *
+* 													 *
+* * Redistributions of source code must retain the above 						 *
+*   copyright notice, this list of conditions and the 							 *
+*   following disclaimer.										 *
+*    													 *
+* * Redistributions in binary form must reproduce the above 						 *
+*   copyright notice, this list of conditions and the 							 *
+*   following disclaimer in the documentation and/or other						 *
+*   materials provided with the distribution.								 *
+* 													 *
+* * Neither the name of the WIDE Project or NICT nor the 						 *
+*   names of its contributors may be used to endorse or 						 *
+*   promote products derived from this software without 						 *
+*   specific prior written permission of WIDE Project and 						 *
+*   NICT.												 *
+* 													 *
+* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED *
+* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A *
+* PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR *
+* ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 	 *
+* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 	 *
+* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR *
+* TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF   *
+* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.								 *
+*********************************************************************************************************/
+
+/* Do not include this directly, use dbg_interactive.i instead */
+
+/****** DISPATCH *********/
+
+
+%{
+/* call it (will be called from a different thread than the interpreter, when message arrives) */
+static int call_the_python_dispatch_callback(struct msg **msg, struct avp *avp, struct session *session, void * pycb, enum disp_action *action) {
+	PyObject *PyMsg, *PyAvp, *PySess;
+	PyObject *cb, *result = NULL;
+	int ret = 0;
+	
+	if (!pycb) {
+		fd_log_debug("Internal error: missing the callback!");
+		return ENOTSUP;
+	}
+	cb = pycb;
+	
+	SWIG_PYTHON_THREAD_BEGIN_BLOCK;
+	/* Convert the arguments */
+	PyMsg  = SWIG_NewPointerObj((void *)*msg,     SWIGTYPE_p_msg,     0 );
+	PyAvp  = SWIG_NewPointerObj((void *) avp,     SWIGTYPE_p_avp,     0 );
+	PySess = SWIG_NewPointerObj((void *) session, SWIGTYPE_p_session, 0 );
+	
+	/* Call the function */
+	result = PyObject_CallFunction(cb, "(OOO)", PyMsg, PyAvp, PySess);
+	
+	/* The result is supposedly composed of: [ ret, *msg, *action ] */
+	if ((result == NULL) || (!PyList_Check(result)) || (PyList_Size(result) != 3)) {
+		fd_log_debug("Error: The Python callback did not return [ ret, msg, action ].");
+		ret = EINVAL;
+		goto out;
+	}
+	
+	/* Convert the return values */
+	if (!SWIG_IsOK(SWIG_AsVal_int(PyList_GetItem(result, 0), &ret))) {
+		fd_log_debug("Error: Cannot convert the first return value to integer.");
+		ret = EINVAL;
+		goto out;
+	}
+	if (ret) {
+		TRACE_DEBUG(INFO, "The Python callback returned the error code %d (%s)", ret, strerror(ret));
+		goto out;
+	}
+	
+	if (!SWIG_IsOK(SWIG_ConvertPtr(PyList_GetItem(result, 1), (void *)msg, SWIGTYPE_p_msg, SWIG_POINTER_DISOWN))) {
+		fd_log_debug("Error: Cannot convert the second return value to message.");
+		ret = EINVAL;
+		goto out;
+	}
+	
+	if (!SWIG_IsOK(SWIG_AsVal_int(PyList_GetItem(result, 2), (int *)action))) {
+		fd_log_debug("Error: Cannot convert the third return value to integer.");
+		ret = EINVAL;
+		goto out;
+	}
+	
+	TRACE_DEBUG(FULL, "Python callback return: *action = %d", *action);
+out:	
+	Py_XDECREF(result);
+	
+	SWIG_PYTHON_THREAD_END_BLOCK;
+	return ret;
+}
+%}
+
+struct disp_hdl {
+};
+
+%nodefaultctor disp_hdl;
+%extend disp_hdl {
+	disp_hdl(PyObject * PyCb, enum disp_how how, struct disp_when * when) {
+		struct disp_hdl * hdl = NULL;
+		int ret;
+		
+		Py_XINCREF(PyCb);
+		
+		ret = fd_disp_register ( call_the_python_dispatch_callback, how, when, PyCb, &hdl );
+		if (ret != 0) {
+			DI_ERROR(ret, NULL, NULL);
+			return NULL;
+		}
+		return hdl;
+	}
+	~disp_hdl() {
+		struct disp_hdl * hdl = self;
+		PyObject * cb = NULL;
+		int ret = fd_disp_unregister(&hdl, (void *)&cb);
+		if (ret != 0) {
+			DI_ERROR(ret, NULL, NULL);
+		}
+		Py_XDECREF(cb);
+		return;
+	}
+}
+
+
+%extend disp_when {
+	disp_when(struct dict_object * app = NULL, struct dict_object * command = NULL, struct dict_object * avp = NULL, struct dict_object * value = NULL) {
+      		struct disp_when * w = (struct disp_when *)calloc(1, sizeof(struct disp_when));
+		if (!w) {
+			DI_ERROR_MALLOC;
+			return NULL;
+		}
+		w->app = app;
+		w->command = command;
+		w->avp = avp;
+		w->value = value;
+		return w;
+	}
+}