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</o:shapelayout></xml><![endif]--></head><body lang=EN-US link=blue vlink=purple><div class=WordSection1><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>In your extension, do you have nat=yes<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><div><div style='border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0in 0in 0in'><p class=MsoNormal><b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>From:</span></b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'> asterisk-users-bounces@lists.digium.com [mailto:asterisk-users-bounces@lists.digium.com] <b>On Behalf Of </b>Christian Tardif<br><b>Sent:</b> Thursday, February 17, 2011 9:54 AM<br><b>To:</b> asterisk-users@lists.digium.com<br><b>Subject:</b> [asterisk-users] Got SIP response 400 "Bad Request" back from<o:p></o:p></span></p></div></div><p class=MsoNormal><o:p> </o:p></p><p><span style='font-size:10.0pt'>Hi,<br><br>I have an Asterisk 1.8.2.3 installed (public IP) with a peer (Polycom<br>IP601) installed behind NAT.<br><br>When the peer makes a call, it's working without any problem. But when a<br>call is coming back, it ends up with a Got SIP response 400 "Bad<br>Request" back from xx.xx.xx.xx where the xx.xx.xx.xx is the public IP of<br>the peer. And the call drops to the voicemail (congestion at peer end)<br><br>I digged it the Internet searching for answer, but I didn't find<br>anything relevant. Anyone experienced this problem? How can I fix it?<br><br>Thanks,<br><br>Christian Tardif<br>christian.tardif@servinfo.ca<br><br><br>--<br>_____________________________________________________________________<br>-- Bandwidth and Colocation Provided by <a href="http://www.api-digital.com">http://www.api-digital.com</a> --<br>New to Asterisk? Join us for a live introductory webinar every Thurs:<br> <a href="http://www.asterisk.org/hello">http://www.asterisk.org/hello</a><br><br>asterisk-users mailing list<br>To UNSUBSCRIBE or update options visit:<br> <a href="http://lists.digium.com/mailman/listinfo/asterisk-users">http://lists.digium.com/mailman/listinfo/asterisk-users</a></span><o:p></o:p></p><div class=MsoNormal align=center style='text-align:center'><hr size=1 width="100%" noshade style='color:#ACA899' align=center></div><p class=avgcert>No virus found in this message.<br>Checked by AVG - <a href="http://www.avg.com">www.avg.com</a><br>Version: 10.0.1204 / Virus Database: 1435/3449 - Release Date: 02/17/11<o:p></o:p></p></div></body></html>