diff --git a/resources/templates/provision/yealink/t56a/{$mac}.cfg b/resources/templates/provision/yealink/t56a/{$mac}.cfg
index 4c2de0c3b9..3d2fc1c1ba 100644
--- a/resources/templates/provision/yealink/t56a/{$mac}.cfg
+++ b/resources/templates/provision/yealink/t56a/{$mac}.cfg
@@ -2870,10 +2870,10 @@ local_time.offset_time =
 
 ##It configures the time format.0-12 Hour,1-24 Hour.
 ##The default value is 1.
-local_time.time_format = 
+local_time.time_format = {$yealink_time_format}
 
 
-local_time.date_format = 
+local_time.date_format = {$yealink_date_format}
 
 ##It enables or disables the phone to update time with the offset time obtained from the DHCP server.
 ##It is only available to offset from GMT 0.0-Disabled,1-Enabled.
@@ -2912,10 +2912,12 @@ static.network.internet_port.type =
 static.network.internet_port.ip =
 static.network.internet_port.mask = 
 static.network.internet_port.gateway =
-static.network.primary_dns= 
+static.network.primary_dns=  
 static.network.secondary_dns = 
 
-
+#{if isset($dns_server_primary)}static.network.primary_dns = {$dns_server_primary}{/if}
+#{if isset($dns_server_secondary)}static.network.secondary_dns = {$dns_server_secondary}{/if}
+#{if isset($dns_server_primary)}static.network.dns_enable = 1{else}static.network.dns_enable = 0{/if}
 
 #######################################################################################
 ##                           V80 Add                                                 ##