diff --git a/kamailio/kamailio.cfg b/kamailio/kamailio.cfg
index bf27b31..1964c03 100644
--- a/kamailio/kamailio.cfg
+++ b/kamailio/kamailio.cfg
@@ -10,6 +10,7 @@
 #!define L_NOTICE 1
 #!define L_INFO 2
 #!define L_DBG 3
+#!define L_DEBUG 4
 
 #!define AVP_RECV_PARAM "recv_param"
 #!define AVP_LOG_LEVEL "log_level"