diff --git a/resources/templates/provision/fanvil/x5s/{$mac}.cfg b/resources/templates/provision/fanvil/x5s/{$mac}.cfg
index af6866db40..27fa6e69d0 100644
--- a/resources/templates/provision/fanvil/x5s/{$mac}.cfg
+++ b/resources/templates/provision/fanvil/x5s/{$mac}.cfg
@@ -228,7 +228,7 @@
             <ProxyUser>{$auth_id_2}</ProxyUser>
             <ProxyPswd>{$user_password_2}</ProxyPswd>
             <BakProxyAddr>{$outbound_proxy_secondary_2}</BakProxyAddr>
-            <BakProxyPort>{$sip_port_1}</BakProxyPort>
+            <BakProxyPort>{$sip_port_2}</BakProxyPort>
             <EnableFailback>{if isset($outbound_proxy_secondary_2)}1{else}0{/if}</EnableFailback>
             <SignalCrypto>0</SignalCrypto>
             <SigCryptoKey></SigCryptoKey>
@@ -499,7 +499,7 @@
             <RegisterPort>{$sip_port_4}</RegisterPort>
             <RegisterUser>{$auth_id_4}</RegisterUser>
             <RegisterPswd>{$user_password_4}</RegisterPswd>
-            <RegisterTTL>{$register_expires_1}</RegisterTTL>
+            <RegisterTTL>{$register_expires_4}</RegisterTTL>
             
             <EnableReg>{if isset($user_password_4)}1{else}0{/if}</EnableReg>