diff --git a/resources/templates/provision/grandstream/gxv300x/{$mac}.xml b/resources/templates/provision/grandstream/gxv300x/{$mac}.xml
index dc2c90fc43..d4edc2ad13 100644
--- a/resources/templates/provision/grandstream/gxv300x/{$mac}.xml
+++ b/resources/templates/provision/grandstream/gxv300x/{$mac}.xml
@@ -237,7 +237,7 @@
     <!-- Dial Plan Prefix (dial plan prefix string) -->
     <P66></P66>
     <!-- Dial Plan. Maxlength = 128 character. Defalut is allow all {x+|*x+} -->
-    <P290>{x+|*x+}</P290>
+    <P290>{$grandstream_dial_plan}</P290>
     <!-- Delayed Call Forward Wait Time. Default is 20 seconds, maxlength = 5  -->
     <P139>20</P139>
     <!-- Enable Call Features.  0 - no, 1 - yes -->
@@ -914,4 +914,4 @@
     <!--video call, , 0=system ring tone(default), 1=custom ring tone 1, 2=custom ring tone 2, 3=custom ring tone 3 -->
     <P584>0</P584>
   </config>
-</gs_provision>
\ No newline at end of file
+</gs_provision>