<html><head></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; ">More precisely, FreeSWITCH does not have any issues to handle a remote endpoint behind NAT if the endpoint correctly sets the rport parameter in the Via field (RFC3581).<div>In case the endpoint does not, FreeSWITCH can force rport, meaning it will answer to the endpoint as if rport was set.</div><div>This mechanism does not have anything to do with STUN/ICE or other external mechanism and it works perfectly.</div><div><br><div><div>
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<br><div><div>Le 26/07/2011 à 07:23, curriegrad2004 a écrit :</div><br class="Apple-interchange-newline"><blockquote type="cite"><div>In this case there's nothing I can think of that FreeSWITCH can do in<br>this case if the remote endpoint doesn't support NAT at all.<br><br>You may want to try the nf_nat_sip module at the remote end, but it<br>may not be the solution you're looking for<br><br>On Mon, Jul 25, 2011 at 8:48 PM, Narendra Sirugudi <<a href="mailto:nsirugudi@gmail.com">nsirugudi@gmail.com</a>> wrote:<br><blockquote type="cite"><br></blockquote><blockquote type="cite">Hi,<br></blockquote><blockquote type="cite">Thanks for your reply.<br></blockquote><blockquote type="cite"><br></blockquote><blockquote type="cite">Maybe my problem definition is not fully clear:<br></blockquote><blockquote type="cite">For my use case, having addtional configuration on the SIP UA (softphone)<br></blockquote><blockquote type="cite">side is not feasible. I am looking for solution on the Freeswitch<br></blockquote><blockquote type="cite">side(sitting on the public network). Not all SIP UA clients (softphones)<br></blockquote><blockquote type="cite">will have the solution of working around NAT, let alone STUN client support.<br></blockquote><blockquote type="cite"><br></blockquote><blockquote type="cite">I observed the Freeswitch has some features like AutoNAT etc. Aren't these<br></blockquote><blockquote type="cite">of any help for the use case i have ? I just started reading on the AutoNAT<br></blockquote><blockquote type="cite">feature. The documentation of AutoNAT seems to suggest that freeswitch<br></blockquote><blockquote type="cite">itself sits behind a NAT. This is not the same as my use case.<br></blockquote><blockquote type="cite"><br></blockquote><blockquote type="cite">To summarize: Does freeswitch have any method of detecting that the remote<br></blockquote><blockquote type="cite">SIP UA is behind a NAT and taking some action based on that ?<br></blockquote><blockquote type="cite">Any suggestions are welcome.<br></blockquote><blockquote type="cite"><br></blockquote><blockquote type="cite">thanks,<br></blockquote><blockquote type="cite">--naren<br></blockquote><blockquote type="cite">On Tue, Jul 26, 2011 at 7:09 AM, curriegrad2004 <<a href="mailto:curriegrad2004@gmail.com">curriegrad2004@gmail.com</a>><br></blockquote><blockquote type="cite">wrote:<br></blockquote><blockquote type="cite"><blockquote type="cite"><br></blockquote></blockquote><blockquote type="cite"><blockquote type="cite">The SIP UA only needs to be configured to use NAT in this case. The FS<br></blockquote></blockquote><blockquote type="cite"><blockquote type="cite">Server does not need any configuration in this case.<br></blockquote></blockquote><blockquote type="cite"><blockquote type="cite"><br></blockquote></blockquote><blockquote type="cite"><blockquote type="cite"><br></blockquote></blockquote><blockquote type="cite"><br></blockquote><blockquote type="cite">_______________________________________________<br></blockquote><blockquote type="cite">Join us at ClueCon 2011, Aug 9-11, Chicago<br></blockquote><blockquote type="cite"><a href="http://www.cluecon.com">http://www.cluecon.com</a> 877-7-4ACLUE<br></blockquote><blockquote type="cite"><br></blockquote><blockquote type="cite">FreeSWITCH-users mailing list<br></blockquote><blockquote type="cite"><a href="mailto:FreeSWITCH-users@lists.freeswitch.org">FreeSWITCH-users@lists.freeswitch.org</a><br></blockquote><blockquote type="cite"><a href="http://lists.freeswitch.org/mailman/listinfo/freeswitch-users">http://lists.freeswitch.org/mailman/listinfo/freeswitch-users</a><br></blockquote><blockquote type="cite">UNSUBSCRIBE:http://lists.freeswitch.org/mailman/options/freeswitch-users<br></blockquote><blockquote type="cite"><a href="http://www.freeswitch.org">http://www.freeswitch.org</a><br></blockquote><blockquote type="cite"><br></blockquote><blockquote type="cite"><br></blockquote><br>_______________________________________________<br>Join us at ClueCon 2011, Aug 9-11, Chicago<br><a href="http://www.cluecon.com">http://www.cluecon.com</a> 877-7-4ACLUE<br><br>FreeSWITCH-users mailing list<br><a href="mailto:FreeSWITCH-users@lists.freeswitch.org">FreeSWITCH-users@lists.freeswitch.org</a><br>http://lists.freeswitch.org/mailman/listinfo/freeswitch-users<br>UNSUBSCRIBE:http://lists.freeswitch.org/mailman/options/freeswitch-users<br>http://www.freeswitch.org<br></div></blockquote></div><br></div></div></body></html>