Check the packets that the ICMP packet is a reply to.<div><br></div><div>Verify the IP and port are correct - that packet usually will mean either nothing is listening on that IP:port or that it has been blocked by a firewall.</div>

<div><br></div><div>Also is the ICMP being sent FS-&gt;Client or Client-&gt;FS? That is, is it the REGISTER or 200 OK packet that is failing?</div><div><br></div><div>-Steve</div><div><br></div><div><br><br><div class="gmail_quote">

On 23 February 2013 11:41, Anindo Mazumdar <span dir="ltr">&lt;<a href="mailto:ec.amazumdar@tatapowersed.com" target="_blank">ec.amazumdar@tatapowersed.com</a>&gt;</span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">

Hello All,<br>
<br>
I have configured FreeSWITCH on my system and wanted to test it by registering client to it. The client in my case is Grandstream GXP1405. Once I have configured the client,I am  trying to register it with FreeSWITCH. I am getting the error &quot;Destination Unreachable(Port Unreachable)&quot;.I am attaching the wireshark screenshot of the same. Can anyone guide me how to rectify the same.<br>


<span class="HOEnZb"><font color="#888888">--<br>
With Regards,<br>
<br>
Anindo Mazumdar,<br>
<br>
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