diff --git a/resources/templates/provision/grandstream/gac2500/{$mac}.xml b/resources/templates/provision/grandstream/gac2500/{$mac}.xml
index b93755e6c5..841f113a0a 100644
--- a/resources/templates/provision/grandstream/gac2500/{$mac}.xml
+++ b/resources/templates/provision/grandstream/gac2500/{$mac}.xml
@@ -4130,11 +4130,11 @@
     <!-- # DHCP Option 66 Override server. 0 - No, 1 - Yes. Default value is 1 -->
     <!-- # When set to Yes(1), it will override the configured provision path and method -->
     <!-- # Number: 0, 1 -->
-    <P145>1</P145>
+    {if isset($grandstream_dhcp_option_override)}<P145>{$grandstream_dhcp_option_override}</P145>{else}<P145>1</P145>{/if}
 
     <!-- # DHCP Option 120 Override SIP Server.  0 - No, 1 - Yes. Default value is 1 -->
     <!-- # Number: 0, 1 -->
-    <P1411>1</P1411>
+    {if isset($grandstream_dhcp_option_override_sip_server)}<P1411>{$grandstream_dhcp_option_override_sip_server}</P1411>{else}{if isset($grandstream_dhcp_option_override_sip_server)}<P1411>{$grandstream_dhcp_option_override_sip_server}</P1411>{else}<P1411>0</P1411>{/if}{/if}
 
     <!-- # Firmware Upgrade Via. 0 - TFTP, 1 - HTTP, 2 - HTTPS, 3 - Manual Upload. Default value is 1 -->
     <!-- # Number: 0, 1, 2, 3 -->