diff --git a/resources/templates/provision/grandstream/gxp17xx/{$mac}.xml b/resources/templates/provision/grandstream/gxp17xx/{$mac}.xml
index 9c1852641f..5562007b54 100644
--- a/resources/templates/provision/grandstream/gxp17xx/{$mac}.xml
+++ b/resources/templates/provision/grandstream/gxp17xx/{$mac}.xml
@@ -1310,7 +1310,12 @@
 <!-- # 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 -->