diff --git a/resources/templates/provision/grandstream/gxp2135/{$mac}.xml b/resources/templates/provision/grandstream/gxp2135/{$mac}.xml
index 55ff5fd462..49cf1bc52a 100644
--- a/resources/templates/provision/grandstream/gxp2135/{$mac}.xml
+++ b/resources/templates/provision/grandstream/gxp2135/{$mac}.xml
@@ -616,7 +616,12 @@
 <!--  Dial Plan. Default value is { x+ | \+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}
 
 <!--  Call Log. 0 - Log All Calls, 1 - Log Incoming/Outgoing only (missed calls NOT recorded), 2 - Disable Call Log. Default is 0 -->
 <!--  Number: 0, 1, 2 -->