one more fix

git-svn-id: http://svn.freeswitch.org/svn/freeswitch/trunk@6471 d0543943-73ff-0310-b7d9-9358b9ac24b2

conf/sip_profiles/default.xml

 <profile name="default">
   <!--aliases are other names that will work as a valid profile name for this profile-->
-  <!-- <aliases> -->
-  <!--  <alias name="default"/> -->
-  <!-- </aliases> -->
+  <aliases>
+    <alias name="$${domain}"/> -->
+  </aliases>
   <!-- Outbound Registrations -->
   <gateways>
     <!--<gateway name="asterlink.com">-->