diff --git a/conf/sip_profiles/nat.xml b/conf/sip_profiles/nat.xml
index a92059983d..d5a16c5fb7 100644
--- a/conf/sip_profiles/nat.xml
+++ b/conf/sip_profiles/nat.xml
@@ -3,11 +3,6 @@
     <X-PRE-PROCESS cmd="include" data="nat/*.xml"/>
   </gateways>
 
-  <domains>
-    <!-- If you are behind nat and you have gateways to register please uncomment the line below -->
-    <!--<domain name="$${domain}" parse="true"/>-->
-  </domains>
-
   <settings>
     <param name="debug" value="1"/>
     <param name="rfc2833-pt" value="101"/>
@@ -21,7 +16,7 @@
     <param name="manage-presence" value="true"/>
     <param name="inbound-codec-negotiation" value="generous"/>
     <param name="nonce-ttl" value="60"/>
-    <param name="auth-calls" value="false"/>
+    <param name="auth-calls" value="true"/>
     <param name="rtp-ip" value="$${local_ip_v4}"/>
     <param name="sip-ip" value="$${local_ip_v4}"/>
     <param name="ext-rtp-ip" value="$${external_rtp_ip}"/>
diff --git a/conf/sip_profiles/outbound/example.xml b/conf/sip_profiles/outbound/example.xml
new file mode 100644
index 0000000000..231d3af6c8
--- /dev/null
+++ b/conf/sip_profiles/outbound/example.xml
@@ -0,0 +1,34 @@
+<include>
+  <!--<gateway name="asterlink.com">-->
+  <!--/// account username *required* ///-->
+  <!--<param name="username" value="cluecon"/>-->
+  <!--/// auth realm: *optional* same as gateway name, if blank ///-->
+  <!--<param name="realm" value="asterlink.com"/>-->
+  <!--/// username to use in from: *optional* same as  username, if blank ///-->
+  <!--<param name="from-user" value="cluecon"/>-->
+  <!--/// domain to use in from: *optional* same as  realm, if blank ///-->
+  <!--<param name="from-domain" value="asterlink.com"/>-->
+  <!--/// account password *required* ///-->
+  <!--<param name="password" value="2007"/>--> 
+  <!--/// replace the INVITE from user with the channel's caller-id ///-->
+  <!--<param name="caller-id-in-from" value="false"/>-->
+  <!--/// extension for inbound calls: *optional* same as username, if blank ///-->
+  <!--<param name="extension" value="cluecon"/>-->
+  <!--/// proxy host: *optional* same as realm, if blank ///-->
+  <!--<param name="proxy" value="asterlink.com"/>-->
+  <!--/// send register to this proxy: *optional* same as proxy, if blank ///-->
+  <!--<param name="register-proxy" value="mysbc.com"/>-->
+  <!--/// expire in seconds: *optional* 3600, if blank ///-->
+  <!--<param name="expire-seconds" value="60"/>-->
+  <!--/// do not register ///-->
+  <!--<param name="register" value="false"/>-->
+  <!-- which transport to use for register -->
+  <!--<param name="register-transport" value="udp"/>-->
+  <!--How many seconds before a retry when a failure or timeout occurs -->
+  <!--<param name="retry_seconds" value="30"/>-->
+  <!--Use the callerid of an inbound call in the from field on outbound calls via this gateway -->
+  <!--<param name="caller-id-in-from" value="false"/>-->
+  <!--extra sip params to send in the contact-->
+  <!--<param name="contact-params" value="tport=tcp"/>-->
+  <!--</gateway>-->
+</include>