diff --git a/resources/templates/provision/grandstream/gxv3175/{$mac}.xml b/resources/templates/provision/grandstream/gxv3175/{$mac}.xml
index 9829ce4b1d..63f4eeee23 100644
--- a/resources/templates/provision/grandstream/gxv3175/{$mac}.xml
+++ b/resources/templates/provision/grandstream/gxv3175/{$mac}.xml
@@ -247,8 +247,8 @@
 <!-- Dial Plan Prefix, MaxLength 32 -->
 <P66></P66>
 
-<!-- Dial Plan Maxlength: unlimited, default is allow all {x+|*x+} -->
-<P290>{$grandstream_dial_plan}</P290>
+<!-- Dial Plan Maxlength: unlimited, default is allow all  -->
+<P290>{literal}{x+|*x+|*++|\p\a\r\k\+*x+| \f\l\o\w\+*x+}{/literal}</P290>
 
 <!-- Early Dial. 0 - No, 1 - Yes. -->
 <P29>0</P29>
@@ -547,8 +547,8 @@
 <!-- Dial Plan Prefix, MaxLength 32 -->
 <P419></P419>
 
-<!-- Dial Plan Maxlength: unlimited, default is allow all { x+ | *x+ | *xx*x+ } -->
-<P459>{ x+ | *x+ | *xx*x+ }</P459>
+<!-- Dial Plan Maxlength: unlimited, default is allow all  -->
+<P459>{literal}{ x+ | *x+ | *xx*x+ }{/literal}</P459>
 
 <!-- Early Dial. 0 - No, 1 - Yes. -->
 <P422>0</P422>
@@ -847,8 +847,8 @@
 <!-- Dial Plan Prefix, MaxLength 32 -->
 <P519></P519>
 
-<!-- Dial Plan Maxlength: unlimited, default is allow all { x+ | *x+ | *xx*x+ } -->
-<P559>{ x+ | *x+ | *xx*x+ }</P559>
+<!-- Dial Plan Maxlength: unlimited, default is allow all  -->
+<P559>{literal}{ x+ | *x+ | *xx*x+ }{/literal}</P559>
 
 <!-- Early Dial. 0 - No, 1 - Yes. -->
 <P522>0</P522>