diff --git a/resources/templates/provision/grandstream/ht503/{$mac}.xml b/resources/templates/provision/grandstream/ht503/{$mac}.xml
index 3421a2f85a..7ada6b00ae 100644
--- a/resources/templates/provision/grandstream/ht503/{$mac}.xml
+++ b/resources/templates/provision/grandstream/ht503/{$mac}.xml
@@ -677,7 +677,7 @@
 
 <!--  Dial Plan -->
 <!--  String -->
-<P4200>{ x+ | *x+ }</P4200>
+<P4200>{$grandstream_dial_plan}</P4200>
 
 <!--  SUBSCRIBE for MWI. 0 - No, 1 - Yes -->
 <!--  Number: 0, 1 -->