diff --git a/datamodel_interface.c b/datamodel_interface.c
index 1823f5f..2357e8e 100644
--- a/datamodel_interface.c
+++ b/datamodel_interface.c
@@ -14,6 +14,8 @@
 bool transaction_started = false;
 int transaction_id = 0;
 
+json_object *old_global_json_obj = NULL;
+json_object *actual_global_json_obj = NULL;
 json_object *old_list_notify = NULL;
 json_object *actual_list_notify = NULL;
 
@@ -381,18 +383,28 @@ char* cwmp_set_parameter_attributes(char* parameter_name, char* notification)
 int cwmp_update_enabled_list_notify(int instance_mode, int notify_type)
 {
 	int e;
-	json_object *list_notif_obj = NULL;
-	e = cwmp_ubus_call("usp.raw", "list_notify", CWMP_UBUS_ARGS{{"instance_mode", {.int_val=instance_mode}, UBUS_Integer}}, 1, &list_notif_obj);
-	if (e)
-		return e;
+	CWMP_LOG (INFO,"Get List Notify for %s paramters values", notify_type == OLD_LIST_NOTIFY ? "old": "actual");
 	if (notify_type == OLD_LIST_NOTIFY) {
+		CWMP_LOG (INFO,"%s line %d", __FILE__, __LINE__);
 		FREE_JSON(old_list_notify)
-		json_object_object_get_ex(list_notif_obj, "parameters", &old_list_notify);
+		FREE_JSON(old_global_json_obj)
+		CWMP_LOG (INFO,"%s:%s line %d", __FILE__, __FUNCTION__, __LINE__);
+		e = cwmp_ubus_call("usp.raw", "list_notify", CWMP_UBUS_ARGS{{"instance_mode", {.int_val=instance_mode}, UBUS_Integer}}, 1, &old_global_json_obj);
+		if (e)
+			return e;
+		json_object_object_get_ex(old_global_json_obj, "parameters", &old_list_notify);
+		CWMP_LOG (INFO,"%s line %d", __FILE__, __LINE__);
 	}
 	else {
+		CWMP_LOG (INFO,"%s line %d", __FILE__, __LINE__);
 		FREE_JSON(actual_list_notify)
-		json_object_object_get_ex(list_notif_obj, "parameters", &actual_list_notify);
+		FREE_JSON(actual_global_json_obj)
+		CWMP_LOG (INFO,"%s line %d", __FILE__, __FUNCTION__, __LINE__);
+		e = cwmp_ubus_call("usp.raw", "list_notify", CWMP_UBUS_ARGS{{"instance_mode", {.int_val=instance_mode}, UBUS_Integer}}, 1, &actual_global_json_obj);
+		if (e)
+			return e;
+		json_object_object_get_ex(actual_global_json_obj, "parameters", &actual_list_notify);
+		CWMP_LOG (INFO,"%s line %d", __FILE__, __FUNCTION__, __LINE__);
 	}
-	//FREE_JSON(list_notif_obj)
 	return 0;
 }
diff --git a/inc/datamodel_interface.h b/inc/datamodel_interface.h
index 67f2359..dd29b85 100644
--- a/inc/datamodel_interface.h
+++ b/inc/datamodel_interface.h
@@ -9,6 +9,8 @@
 #define DM_ROOT_OBJ "Device."
 extern bool transaction_started;
 extern int transaction_id;
+extern json_object *old_global_json_obj;
+extern json_object *actual_global_json_obj;
 extern json_object *old_list_notify;
 extern json_object *actual_list_notify;
 
diff --git a/scripts/icwmp.sh b/scripts/icwmp.sh
index 63c6a03..1d9250c 100644
--- a/scripts/icwmp.sh
+++ b/scripts/icwmp.sh
@@ -195,13 +195,10 @@ handle_action() {
 		if [ -z `echo $set_res | jsonfilter -e @.fault` ]; then
 			if [ `echo $set_res | jsonfilter -e @.status` = true ]; then
 				ubus call usp.raw transaction_commit "{'transaction_id':$transaction_id}" &> /dev/null
-				echo "Parameter is successfully set"
 			else
-				echo "Not able to set parameter"
 				ubus call usp.raw transaction_abort "{'transaction_id':$transaction_id}" &> /dev/null
 			fi
 		else
-			echo "Not able to set parameter"
 			ubus call usp.raw transaction_abort "{'transaction_id':$transaction_id}" &> /dev/null
 		fi 
 		echo $set_res
@@ -219,13 +216,10 @@ handle_action() {
 		if [ -z `echo $set_notif | jsonfilter -e @.fault` ]; then
 			if [ -z `echo $set_notif | jsonfilter -e @.parameters[0].fault` ]; then
 				ubus call usp.raw transaction_commit "{'transaction_id':$transaction_id}" &> /dev/null
-				echo "Parameter notification is successfully set"
 			else
-				echo "Not able to set parameter notification"
 				ubus call usp.raw transaction_abort "{'transaction_id':$transaction_id}" &> /dev/null
 			fi
 		else
-			echo "Not able to set parameter"
 			ubus call usp.raw transaction_abort "{'transaction_id':$transaction_id}" &> /dev/null
 		fi 
 		echo $set_notif
@@ -243,13 +237,10 @@ handle_action() {
 		if [ -z `echo $adddel_obj_res | jsonfilter -e @.fault` ]; then
 			if [ -z `echo $adddel_obj_res | jsonfilter -e @.parameters[0].fault` ]; then
 				ubus call usp.raw transaction_commit "{'transaction_id':$transaction_id}" &> /dev/null
-				echo "Add/Delete operation successfully done"
 			else
-				echo "Add/Delete operation failed"
 				ubus call usp.raw transaction_abort "{'transaction_id':$transaction_id}" &> /dev/null
 			fi
 		else
-			echo "Not able to set parameter"
 			ubus call usp.raw transaction_abort "{'transaction_id':$transaction_id}" &> /dev/null
 		fi 
 		echo $adddel_obj_res