diff --git a/conf/default_context.xml b/conf/default_context.xml
index 3828468c11..188da8e1f2 100644
--- a/conf/default_context.xml
+++ b/conf/default_context.xml
@@ -1,4 +1,9 @@
 <context name="default">
+  <extension name="global">
+    <condition>
+      <action application="set" data="use_profile=${qq(${is_lan_addr(${network_addr})} == yes ? nat : default)}"/>
+    </condition>
+  </extension>
   <!-- 
   if the calling party is the called party, go to their VM
   if the calling party is NOT the called party dial the extension