allow the public context to challenge if they make it to the end before any…

allow the public context to challenge if they make it to the end before any matches so you can mix auth and non-auth in public.

git-svn-id: http://svn.freeswitch.org/svn/freeswitch/trunk@9908 d0543943-73ff-0310-b7d9-9358b9ac24b2

conf/dialplan/public.xml

@@ -58,6 +58,23 @@
 	You can place files in the public directory to get included.
     -->
     <X-PRE-PROCESS cmd="include" data="public/*.xml"/>
+    
+    <!--
+	If you have made it this far lets challenge the caller and if they authenticate
+	lets try what they dialed in the default context.
+    -->
+    <extension name="check_auth" continue="true">
+      <condition field="${sip_authorized}" expression="^true$" break="never">
+	<anti-action application="respond" data="407"/>
+      </condition>
+    </extension>
+    
+    <!-- You can only make it here if you auth via the previous extension. --> 
+    <extension name="transfer_to_default">
+      <condition>
+	<action application="transfer" data="${destination_number} XML default"/>
+      </condition>
+    </extension>
 
   </context>
 </include>