diff --git a/resources/templates/provision/grandstream/gxp17xx/{$mac}.xml b/resources/templates/provision/grandstream/gxp17xx/{$mac}.xml
index 5562007b54..7b33af328d 100644
--- a/resources/templates/provision/grandstream/gxp17xx/{$mac}.xml
+++ b/resources/templates/provision/grandstream/gxp17xx/{$mac}.xml
@@ -859,7 +859,7 @@
 <!-- # Register Expiration (in minutes). Default is 60. Max about 45 days -->
 <!-- # Number: 1 - 64800 -->
 <!-- # Mandatory -->
-<P32>60</P32>
+<P32>{$account.1.register_expires}</P32>
 
 <!-- # Subscribe Expiration. Default is 60.  -->
 <!-- # Number: 1-64800  -->
@@ -1538,7 +1538,7 @@
 <!-- # Register Expiration (in minutes). Default is 60. Max is 45 days -->
 <!-- # Number: 1 - 64800 -->
 <!-- # Mandatory -->
-<P412>60</P412>
+<P412>{$account.2.register_expires}</P412>
 
 <!-- # Subscribe Expiration. Default is 60.  -->
 <!-- # Number: 1-64800  -->
@@ -2206,7 +2206,7 @@
 <!-- # Register Expiration (in minutes). Default is 60. Max is 45 days -->
 <!-- # Number: 1 - 64800 -->
 <!-- # Mandatory -->
-<P512>60</P512>
+<P512>{$account.3.register_expires}</P512>
 
 <!-- # Subscribe Expiration. Default is 60.  -->
 <!-- # Number: 1-64800  -->