<p>Maybe doing a sip proxy on the nat&#39;d side?</p>
<p>Brian Foster<br>
Endigo Computer LLC</p>
<p>Sent from a mobile device.</p>
<div class="gmail_quote">On Jun 6, 2012 9:57 PM, &quot;Brian West&quot; &lt;<a href="mailto:brian@freeswitch.org">brian@freeswitch.org</a>&gt; wrote:<br type="attribution"><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
Suboptimal solution.  you&#39;ll break transfers among other things.<br>
<br>
Sent from my iPad<br>
<br>
On Jun 6, 2012, at 4:01 PM, &quot;Dave R. Kompel&quot; &lt;<a href="mailto:drk@drkngs.net">drk@drkngs.net</a>&gt; wrote:<br>
<br>
&gt; For a hosted environment, where you&#39;re not in control of the users devices/routers you should do the following:<br>
&gt;<br>
&gt; In the SIP profile, turn on agressive_nat_detection, on the client device have them turn off ALL nat mapping stuff, so the switch can detect it&#39;s nat, and if it don&#39;t work cause they have some broken router that&#39;s doing ALG, and only in that case then set the directory entry for that use to have the &quot;NDLB-Connnectile-Dysfunction&quot; be true.<br>

&gt;<br>
&gt; That should work every time.<br>
&gt;<br>
&gt;<br>
&gt; --Dave<br>
<br>
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