diff --git a/core/sems.h b/core/sems.h
index 6b87e2fb..ba3856f3 100644
--- a/core/sems.h
+++ b/core/sems.h
@@ -28,9 +28,9 @@
 #ifndef _ans_machine_h_
 #define _ans_machine_h_
 
-#define SEMS_VERSION "1.1.0-dev"
-#define OS "Linux"
-#define ARCH "i686"
+#ifndef SEMS_VERSION
+#include "config.h"
+#endif
 
 #define CONFIG_FILE         "/usr/local/etc/sems/sems.conf"
 #define MOD_CFG_PATH        "/usr/local/etc/sems/etc/"
@@ -54,11 +54,6 @@
 // session considered dead after 5 minutes no RTP
 #define DEAD_RTP_TIME       5*60  
 
-/* Session Timer defaul configuration: */
-#define DEFAULT_ENABLE_SESSION_TIMER 1
-#define SESSION_EXPIRES              60 // seconds
-#define MINIMUM_TIMER                5   //seconds
-
 #define NUM_MEDIA_PROCESSORS 1
 
 #define MAX_NET_DEVICES     32