diff --git a/overlay/frameworks/base/core/res/res/values/config.xml b/overlay/frameworks/base/core/res/res/values/config.xml
index 65e774c..4472642 100644
--- a/overlay/frameworks/base/core/res/res/values/config.xml
+++ b/overlay/frameworks/base/core/res/res/values/config.xml
@@ -270,7 +270,12 @@
     <!-- Flag specifying whether WFC over IMS is available on device -->
     <bool name="config_device_wfc_ims_available">true</bool>
     <bool name="config_device_vt_available">true</bool>
-
+	
+    <!-- Flag specifying whether VT should be available for carrier: independent of
+         carrier provisioning. If false: hard disabled. If true: then depends on carrier
+         provisioning, availability etc -->
+    <bool name="config_carrier_vt_available">true</bool>
+	
     <!-- Flag specifying whether WFC over IMS should be available for carrier: independent of
          carrier provisioning. If false: hard disabled. If true: then depends on carrier
          provisioning, availability etc -->