We got it, the problem appears to have been that even though it was a 1:1 NAT the firewall was natting outbound sip traffic and the carrier was responding on that port. We just switched off the NAT option at the carrier and all seems to be working fine now.<br>
<br><div class="gmail_quote">On 29 March 2012 21:03, Michael Collins <span dir="ltr">&lt;<a href="mailto:msc@freeswitch.org">msc@freeswitch.org</a>&gt;</span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
<br><br><div class="gmail_quote"><div class="im">On Thu, Mar 29, 2012 at 8:14 AM, Andrew Cassidy <span dir="ltr">&lt;<a href="mailto:andrew@cassidywebservices.co.uk" target="_blank">andrew@cassidywebservices.co.uk</a>&gt;</span> wrote:<br>
<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
I have some more information about absolutely&#39;s problem.<div><br></div><div>The call is established fine, there is two-way audio, all loooks fine, until about 60 seconds into the call when FreeSWITCH issues what appears to be unsolicited INVITES to which it recieves no response from the carrier and as such, it drops the call. </div>


<div><br></div><div>Any suggestions?<br><br></div></blockquote><br></div>I&#39;d get the console log and sip trace and throw it up on pb so we could see that in action.<span class="HOEnZb"><font color="#888888"><br>-MC<br>
</font></span></div>
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