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</o:shapelayout></xml><![endif]--></head><body lang=EN-IE link=blue vlink=purple><div class=WordSection1><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US'>Hi Segriu<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US'>I think my issue is with rtpengine . I’m using direction parameter to set a LAN and WAN IP on the offer and I think it’s getting messed up during re-invites<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D'>Best Regards<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><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D'>Gerry Kernan<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US'><o:p> </o:p></span></p><p class=MsoNormal><b><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri",sans-serif'>From:</span></b><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri",sans-serif'> sr-users [mailto:sr-users-bounces@lists.kamailio.org] <b>On Behalf Of </b>Sergiu Pojoga<br><b>Sent:</b> 23 March 2018 01:34<br><b>To:</b> Kamailio (SER) - Users Mailing List <sr-users@lists.kamailio.org><br><b>Subject:</b> <UNJUNKED> Re: [SR-Users] Audio stops after resuming call from hold<o:p></o:p></span></p><p class=MsoNormal><o:p> </o:p></p><div><p class=MsoNormal>OMG, what are the odds, a client reported the same problem today! Edge proxy running same 4.2.3, requests are forwarded to a farm of Asterisks v13 in a similar way based on $rd, far-end NAT traversal is handled by Kamailio.<o:p></o:p></p><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>I've had only an hour or so to debug today. Re-invites containing SDP are handled the same way as invites in terms of SDP mangling, all looks good in that sense. There's nothing special to be done about re-invites.<o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>Preliminary clue is that this happens (or not) depending on the type of firewall/NAT behind which the phone is located. In the case with the trouble, it's a Sonicwall, probably a Symmetric NAT. Is doesn't happen to a phone behind a Full/Restricted Cone NAT. <o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>What nat= are you setting for Asterisk peers?<o:p></o:p></p></div><div><p class=MsoNormal>Do you engage rtpproxy/rtpengine?<o:p></o:p></p></div><div><p class=MsoNormal>Any far-end NAT traversal manipulations involved such as SIP ALG or STUN?<o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>Cheers.<o:p></o:p></p></div></div><div><p class=MsoNormal><o:p> </o:p></p><div><p class=MsoNormal>On Thu, Mar 22, 2018 at 3:55 PM, gerry kernan <<a href="mailto:gerry.kernan@infinityit.ie" target="_blank">gerry.kernan@infinityit.ie</a>> wrote:<o:p></o:p></p><blockquote style='border:none;border-left:solid #CCCCCC 1.0pt;padding:0cm 0cm 0cm 6.0pt;margin-left:4.8pt;margin-right:0cm'><div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>Hi <o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'> <o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>Hoping someone can point me in the right direction.<o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>I have a Kamailio Ver: 4.2.3-1.1 running in front of a few asterisk servers Ver: 13.17.2 sip is routed to an asterisk server depending the domain name in the sip request, all working as expected . but if a call is put on hold after resuming the call the party that placed the call on hold can’t hear any audio. The other party can hear . do I need to do anything special to handle re-invites for calls put on hold?<o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'> <o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'> <o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><b><span lang=NL style='font-family:"Century Gothic",sans-serif;color:#4D4D4D'>Gerry Kernan</span></b><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span lang=NL style='font-size:10.0pt;font-family:"Century Gothic",sans-serif;color:gray'> </span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-size:10.0pt;font-family:"Century Gothic",sans-serif;color:gray'><img border=0 width=172 height=51 id="m_-3558173191276111519Picture_x0020_3" src="cid:image001.jpg@01D3C283.FD61DD70" alt="cid:image001.jpg@01D105A5.2701B0E0"></span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-size:10.0pt;font-family:"Century Gothic",sans-serif;color:gray'> </span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;line-height:115%'><b><span style='font-size:10.0pt;line-height:115%;font-family:"Century Gothic",sans-serif;color:#4D4D4D'>Infinity IT | 17 The Mall | Beacon Court | Sandyford | Dublin D18 E3C8 | Ireland</span></b><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;line-height:115%'><b><span style='font-size:10.0pt;line-height:115%;font-family:"Century Gothic",sans-serif;color:#4D4D4D'>Tel: +353 - (0)1 - 293 0090 | E-Mail: </span></b><span style='font-size:10.0pt;line-height:115%;font-family:"Century Gothic",sans-serif'><a href="mailto:gerry.kernan@infinityit.ie" target="_blank"><span style='color:#0563C1'>gerry.kernan@infinityit.ie</span></a></span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;line-height:115%'><b><span style='font-size:10.0pt;line-height:115%;font-family:"Century Gothic",sans-serif;color:red'> </span></b><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;line-height:115%'><b><span style='font-size:10.0pt;line-height:115%;font-family:"Century Gothic",sans-serif;color:red'>Managed IT Services<u> </u>Infinity IT</span></b><span style='font-size:10.0pt;line-height:115%;font-family:"Century Gothic",sans-serif;color:red'> </span><span style='font-size:10.0pt;line-height:115%;font-family:"Century Gothic",sans-serif;color:#4D4D4D'>- </span><a href="http://www.infinityit.ie/" target="_blank"><span style='font-size:10.0pt;line-height:115%;font-family:"Century Gothic",sans-serif;color:#0563C1'>www.infinityit.ie</span></a><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;line-height:115%'><b><span style='font-size:10.0pt;line-height:115%;font-family:"Century Gothic",sans-serif;color:#767171'>IP Telephony<u> </u>Asterisk Consulting</span></b><span style='font-size:10.0pt;line-height:115%;font-family:"Century Gothic",sans-serif;color:#767171'> </span><span style='font-size:10.0pt;line-height:115%;font-family:"Century Gothic",sans-serif;color:#4D4D4D'>– </span><a href="http://www.asteriskconsulting.com" target="_blank"><span style='font-size:10.0pt;line-height:115%;font-family:"Century Gothic",sans-serif;color:#0563C1'>www.asteriskconsulting.com</span></a><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;line-height:115%'><b><span style='font-size:10.0pt;line-height:115%;font-family:"Century Gothic",sans-serif;color:#FF8A15'>Contact Centre<u> </u>Total Interact</span></b><span style='font-size:10.0pt;line-height:115%;font-family:"Century Gothic",sans-serif;color:#FFC000'> </span><span style='font-size:10.0pt;line-height:115%;font-family:"Century Gothic",sans-serif;color:#4D4D4D'>– </span><a href="http://www.totalinteract.com" target="_blank"><span style='font-size:10.0pt;line-height:115%;font-family:"Century Gothic",sans-serif;color:#0563C1'>www.totalinteract.com</span></a><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'> <o:p></o:p></p></div></div><p class=MsoNormal style='margin-bottom:12.0pt'><br>_______________________________________________<br>Kamailio (SER) - Users Mailing List<br><a href="mailto:sr-users@lists.kamailio.org">sr-users@lists.kamailio.org</a><br><a href="https://lists.kamailio.org/cgi-bin/mailman/listinfo/sr-users" target="_blank">https://lists.kamailio.org/cgi-bin/mailman/listinfo/sr-users</a><o:p></o:p></p></blockquote></div><p class=MsoNormal><o:p> </o:p></p></div></div></body></html>