diff --git a/src/sip/sip.c b/src/sip/sip.c
index aa2c303..3331209 100755
--- a/src/sip/sip.c
+++ b/src/sip/sip.c
@@ -1692,6 +1692,10 @@ static void sip_message(nua_event_t event, int status, char const *phrase, nua_t
 	case nua_i_outbound:
 		PDEBUG(DSIP, DEBUG_DEBUG, "Outbound status\n");
 		break;
+	case nua_i_notify:
+		PDEBUG(DSIP, DEBUG_NOTICE, "Notify not supported.\n");
+		return;
+
 	default:
 		;
 	}