diff --git a/resources/templates/provision/grandstream/gxp21xxbk/{$mac}.xml b/resources/templates/provision/grandstream/gxp21xxbk/{$mac}.xml
index fd6f1c29f5..e95eecf5e1 100644
--- a/resources/templates/provision/grandstream/gxp21xxbk/{$mac}.xml
+++ b/resources/templates/provision/grandstream/gxp21xxbk/{$mac}.xml
@@ -487,7 +487,12 @@
 <!-- Dial Plan. Default value is { x+ | *x+ | *xx*x+ } -->
 <!-- String -->
 <!-- Mandatory -->
+  
+{if isset($grandstream_dial_plan) }
 <P290>{$grandstream_dial_plan}</P290>
+{else}
+<P290>{literal}{x+|*x+|*++|\p\a\r\k\+*x+| \f\l\o\w\+*x+}{/literal}</P290>
+{/if}
 
 
 <!-- Delayed Call Forward Wait Time (in seconds). Default is 20 -->