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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'>Exactly,<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'>It appears that the destination of the 1<sup>st</sup> call (217.112.180.235) is NAT aware but the 2<sup>nd</sup> (79.137.49.139) isn’t. The latter is probably using the local IP in the SDP rather than the public IP detectable by examining the IP of the incoming RTP.<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'>What’s the difference between these 2 UAs?<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><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>David Villasmil<br><b>Sent:</b> Monday, January 22, 2018 11:42 AM<br><b>To:</b> Kamailio (SER) - Users Mailing List <sr-users@lists.kamailio.org><br><b>Subject:</b> Re: [SR-Users] Problem Proxy<o:p></o:p></span></p><p class=MsoNormal><o:p> </o:p></p><p>Hello<o:p></o:p></p><p>Without looking at the config. It looks like you're not doing nat traversal. Are you using a default config? Which one? <o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><div><div><p class=MsoNormal>On Mon, Jan 22, 2018, 09:21 Nicolas Breuer <<a href="mailto:Nicolas.Breuer@belcenter.biz">Nicolas.Breuer@belcenter.biz</a>> wrote:<o:p></o:p></p></div><blockquote style='border:none;border-left:solid #CCCCCC 1.0pt;padding:0in 0in 0in 6.0pt;margin-left:4.8pt;margin-right:0in'><div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span lang=FR-BE>Hello,<o:p></o:p></span></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span lang=FR-BE> <o:p></o:p></span></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span lang=FR-BE>Any ideas on this ? </span><span lang=FR-BE style='font-family:"Segoe UI Emoji",sans-serif'>😊</span><span lang=FR-BE><o:p></o:p></span></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span lang=FR-BE> <o:p></o:p></span></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span lang=FR-BE> <o:p></o:p></span></p><div><div style='border:none;border-top:solid #E1E1E1 1.0pt;padding:3.0pt 0in 0in 0in'><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><b><span lang=FR>De :</span></b><span lang=FR> sr-users [mailto:<a href="mailto:sr-users-bounces@lists.kamailio.org" target="_blank">sr-users-bounces@lists.kamailio.org</a>] <b>De la part de</b> Nicolas Breuer<br><b>Envoyé :</b> jeudi 18 janvier 2018 23:49<br><b>À :</b> Kamailio (SER) - Users Mailing List <<a href="mailto:sr-users@lists.kamailio.org" target="_blank">sr-users@lists.kamailio.org</a>><br><b>Objet :</b> [SR-Users] Problem Proxy</span><span lang=FR-BE><o:p></o:p></span></p></div></div></div></div><div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span lang=FR-BE> <o:p></o:p></span></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span lang=FR-BE> <o:p></o:p></span></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span lang=FR-BE>Hello the list,<o:p></o:p></span></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span lang=FR-BE> <o:p></o:p></span></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span lang=EN-US>I have a problem on the proxy with the audio between two calls bridged by a UAC.</span><span lang=FR-BE><o:p></o:p></span></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span lang=EN-US>When I made a normal call, no problems.</span><span lang=FR-BE><o:p></o:p></span></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span lang=EN-US> </span><span lang=FR-BE><o:p></o:p></span></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span lang=EN-US>My UAC is nated. </span><span lang=FR-BE><o:p></o:p></span></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span lang=EN-US>UAC > Router > KAMAILIO</span><span lang=FR-BE><o:p></o:p></span></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span lang=EN-US> </span><span lang=FR-BE><o:p></o:p></span></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span lang=EN-US>Frames arrives with private IP in the SDP.</span><span lang=FR-BE><o:p></o:p></span></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span lang=EN-US> </span><span lang=FR-BE><o:p></o:p></span></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span lang=EN-US>U 2018/01/18 21:50:16.798581 <a href="http://217.112.180.235:1024" target="_blank">217.112.180.235:1024</a> -> <a href="http://217.112.180.10:5060" target="_blank">217.112.180.10:5060</a></span><span lang=FR-BE><o:p></o:p></span></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span lang=EN-US>SIP/2.0 200 OK.</span><span lang=FR-BE><o:p></o:p></span></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span lang=EN-US>Via: SIP/2.0/UDP 217.112.180.10;branch=z9hG4bK2d06.2f2a1856bde881173a3fc413c4136b83.0.</span><span lang=FR-BE><o:p></o:p></span></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span lang=EN-US>Via: SIP/2.0/UDP 84.14.241.179:5060;rport=5060;branch=z9hG4bK0dBe3143bcf7f60a70b.</span><span lang=FR-BE><o:p></o:p></span></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span lang=EN-US>Record-Route: <<a href="sip:217.112.180.10;lr=on;ftag=gK0d4dfe6f;did=227.c0d2;nat=yes">sip:217.112.180.10;lr=on;ftag=gK0d4dfe6f;did=227.c0d2;nat=yes</a>>.</span><span lang=FR-BE><o:p></o:p></span></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span lang=EN-US>From: <<a href="sip:32XXXXXX87@%20">sip:32XXXXXX87@ </a>>;tag=gK0d4dfe6f.</span><span lang=FR-BE><o:p></o:p></span></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span lang=EN-US>Call-ID: <a href="mailto:940401290_111374574@84.14.241.179" target="_blank">940401290_111374574@84.14.241.179</a>.</span><span lang=FR-BE><o:p></o:p></span></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span lang=EN-US>CSeq: 29328 INVITE.</span><span lang=FR-BE><o:p></o:p></span></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span lang=EN-US>Contact: <<a href="sip:32XXXXXX61@192.168.2.2:5060;transport=udp">sip:32XXXXXX61@192.168.2.2:5060;transport=udp</a>>.</span><span lang=FR-BE><o:p></o:p></span></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span lang=EN-US>Allow: INVITE,ACK,CANCEL,OPTIONS,BYE,INFO,NOTIFY.</span><span lang=FR-BE><o:p></o:p></span></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span lang=EN-US>Supported: timer,100rel.</span><span lang=FR-BE><o:p></o:p></span></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span lang=EN-US>Server: IP Office 10.1.0.0.0 build 237.</span><span lang=FR-BE><o:p></o:p></span></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span lang=FR-BE>Min-SE: 1800.<o:p></o:p></span></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span lang=FR-BE>Require: timer.<o:p></o:p></span></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span lang=FR-BE>Session-Expires: 1800;refresher=uas.<o:p></o:p></span></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span lang=EN-US>To: <<a href="sip:32XXXXXX61@217.112.180.235">sip:32XXXXXX61@217.112.180.235</a>>;tag=998e429e819ba686.</span><span lang=FR-BE><o:p></o:p></span></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span lang=EN-US>Content-Type: application/sdp.</span><span lang=FR-BE><o:p></o:p></span></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span lang=EN-US>Content-Length: 202.</span><span lang=FR-BE><o:p></o:p></span></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span lang=EN-US>.</span><span lang=FR-BE><o:p></o:p></span></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span lang=EN-US>v=0.</span><span lang=FR-BE><o:p></o:p></span></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span lang=EN-US>o=UserA 3721571424 1025404311 IN IP4 192.168.2.2.</span><span lang=FR-BE><o:p></o:p></span></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span lang=EN-US>s=Session SDP.</span><span lang=FR-BE><o:p></o:p></span></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span lang=EN-US>c=IN IP4 192.168.2.2.</span><span lang=FR-BE><o:p></o:p></span></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span lang=EN-US>t=0 0.</span><span lang=FR-BE><o:p></o:p></span></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span lang=EN-US>m=audio 49154 RTP/AVP 9 101.</span><span lang=FR-BE><o:p></o:p></span></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span lang=EN-US>a=rtpmap:9 G722/8000.</span><span lang=FR-BE><o:p></o:p></span></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span lang=EN-US>a=rtpmap:101 telephone-event/8000.</span><span lang=FR-BE><o:p></o:p></span></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span lang=EN-US>a=fmtp:101 0-15.</span><span lang=FR-BE><o:p></o:p></span></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span lang=EN-US> </span><span lang=FR-BE><o:p></o:p></span></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span lang=EN-US>I don’t understand why but the proxy (in case of an incoming call) succeed to determine the public IP.</span><span lang=FR-BE><o:p></o:p></span></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span lang=EN-US> </span><span lang=FR-BE><o:p></o:p></span></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><b><span lang=EN-US>Jan 18 21:40:08 proxy1 rtpproxy[1314]: INFO:rxmit_packets:1fb3f1c6c8dfe738221842406be48450: caller's address filled in: <a href="http://217.112.180.235:49154" target="_blank">217.112.180.235:49154</a> (RTP)</span></b><span lang=FR-BE><o:p></o:p></span></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span lang=EN-US>Jan 18 21:40:08 proxy1 rtpproxy[1314]: INFO:rxmit_packets:1fb3f1c6c8dfe738221842406be48450: guessing RTCP port for caller to be 49155</span><span lang=FR-BE><o:p></o:p></span></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span lang=EN-US>Jan 18 21:40:16 proxy1 rtpproxy[1314]: INFO:rxmit_packets:1fb3f1c6c8dfe738221842406be48450: caller's address latched in: <a href="http://217.112.180.235:49155" target="_blank">217.112.180.235:49155</a> (RTCP)</span><span lang=FR-BE><o:p></o:p></span></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span lang=EN-US> </span><span lang=FR-BE><o:p></o:p></span></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span lang=EN-US>Don’t know why because the only information in SDP is 192.168.2.2</span><span lang=FR-BE><o:p></o:p></span></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span lang=EN-US>The Kamailio didn’t send the information of the proxy to the UAC , but to the other end as this is an incoming call.</span><span lang=FR-BE><o:p></o:p></span></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span lang=EN-US> </span><span lang=FR-BE><o:p></o:p></span></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span lang=EN-US> </span><span lang=FR-BE><o:p></o:p></span></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span lang=EN-US>So I have audio in this case.</span><span lang=FR-BE><o:p></o:p></span></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span lang=EN-US> </span><span lang=FR-BE><o:p></o:p></span></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span lang=EN-US>When I setup a bridge on the UAC to a second number, we have an issue. ( Kamailio 4.4.6 )</span><span lang=FR-BE><o:p></o:p></span></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span lang=EN-US> </span><span lang=FR-BE><o:p></o:p></span></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span lang=EN-US>This is the same frames</span><span lang=FR-BE><o:p></o:p></span></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span lang=EN-US> </span><span lang=FR-BE><o:p></o:p></span></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span lang=EN-US>U 2018/01/18 21:51:26.607270 <a href="http://217.112.180.235:1024" target="_blank">217.112.180.235:1024</a> -> <a href="http://217.112.180.10:5060" target="_blank">217.112.180.10:5060</a></span><span lang=FR-BE><o:p></o:p></span></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span lang=EN-US>SIP/2.0 200 OK.</span><span lang=FR-BE><o:p></o:p></span></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span lang=EN-US>Via: SIP/2.0/UDP 217.112.180.10;branch=z9hG4bK4181.bb7aab84b6fb0aea5836b4d8874406ec.0.</span><span lang=FR-BE><o:p></o:p></span></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span lang=EN-US>Via: SIP/2.0/UDP 84.14.241.179:5060;rport=5060;branch=z9hG4bK0bB16ee5a3d300fee16.</span><span lang=FR-BE><o:p></o:p></span></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span lang=EN-US>Record-Route: <<a href="sip:217.112.180.10;lr=on;ftag=gK0b5d7652;did=cc6.5452;nat=yes">sip:217.112.180.10;lr=on;ftag=gK0b5d7652;did=cc6.5452;nat=yes</a>>.</span><span lang=FR-BE><o:p></o:p></span></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span lang=EN-US>From: <<a href="sip:32XXXXXX87@%20">sip:32XXXXXX87@ </a>>;tag=gK0b5d7652.</span><span lang=FR-BE><o:p></o:p></span></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span lang=EN-US>Call-ID: <a href="mailto:940248136_13287504@84.14.241.179" target="_blank">940248136_13287504@84.14.241.179</a>.</span><span lang=FR-BE><o:p></o:p></span></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span lang=EN-US>CSeq: 21946 INVITE.</span><span lang=FR-BE><o:p></o:p></span></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span lang=EN-US>Contact: <<a href="sip:32XXXXXX61@192.168.2.2:5060;transport=udp">sip:32XXXXXX61@192.168.2.2:5060;transport=udp</a>>.</span><span lang=FR-BE><o:p></o:p></span></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span lang=EN-US>Allow: INVITE,ACK,CANCEL,OPTIONS,BYE,INFO,NOTIFY.</span><span lang=FR-BE><o:p></o:p></span></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span lang=EN-US>Supported: timer,100rel.</span><span lang=FR-BE><o:p></o:p></span></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span lang=EN-US>Server: IP Office 10.1.0.0.0 build 237.</span><span lang=FR-BE><o:p></o:p></span></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span lang=FR-BE>Min-SE: 1800.<o:p></o:p></span></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span lang=FR-BE>Require: timer.<o:p></o:p></span></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span lang=FR-BE>Session-Expires: 1800;refresher=uas.<o:p></o:p></span></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span lang=EN-US>To: <<a href="sip:32XXXXXX61@217.112.180.235">sip:32XXXXXX61@217.112.180.235</a>>;tag=559c99f5edcab5d4.</span><span lang=FR-BE><o:p></o:p></span></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span lang=EN-US>Content-Type: application/sdp.</span><span lang=FR-BE><o:p></o:p></span></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span lang=EN-US>Content-Length: 202.</span><span lang=FR-BE><o:p></o:p></span></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span lang=EN-US>.</span><span lang=FR-BE><o:p></o:p></span></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span lang=EN-US>v=0.</span><span lang=FR-BE><o:p></o:p></span></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span lang=EN-US>o=UserA 1781830446 4071482272 IN IP4 192.168.2.2.</span><span lang=FR-BE><o:p></o:p></span></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span lang=EN-US>s=Session SDP.</span><span lang=FR-BE><o:p></o:p></span></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span lang=EN-US>c=IN IP4 192.168.2.2.</span><span lang=FR-BE><o:p></o:p></span></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span lang=EN-US>t=0 0.</span><span lang=FR-BE><o:p></o:p></span></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span lang=EN-US>m=audio 49156 RTP/AVP 8 101.</span><span lang=FR-BE><o:p></o:p></span></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span lang=EN-US>a=rtpmap:8 PCMA/8000.</span><span lang=FR-BE><o:p></o:p></span></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span lang=EN-US>a=rtpmap:101 telephone-event/8000.</span><span lang=FR-BE><o:p></o:p></span></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span lang=EN-US>a=fmtp:101 0-16.</span><span lang=FR-BE><o:p></o:p></span></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span lang=EN-US> </span><span lang=FR-BE><o:p></o:p></span></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span lang=EN-US>But in this case no audio</span><span lang=FR-BE><o:p></o:p></span></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span lang=EN-US> </span><span lang=FR-BE><o:p></o:p></span></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span lang=EN-US>RTCP detected but no the RTP.</span><span lang=FR-BE><o:p></o:p></span></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span lang=EN-US>He took the private ip address “192.168.2.2” and this is the reason of the “no audio”.</span><span lang=FR-BE><o:p></o:p></span></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span lang=EN-US> </span><span lang=FR-BE><o:p></o:p></span></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span lang=EN-US> </span><span lang=FR-BE><o:p></o:p></span></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span lang=EN-US>Jan 18 21:51:26 proxy1 rtpproxy[1314]: <a href="mailto:INFO%3Artpp_command_ul_handle%3A940248136_13287504@84.14.241.179" target="_blank">INFO:rtpp_command_ul_handle:940248136_13287504@84.14.241.179</a>: lookup on ports 11264/10446, session timer restarted</span><span lang=FR-BE><o:p></o:p></span></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span lang=EN-US>Jan 18 21:51:26 proxy1 rtpproxy[1314]: <a href="mailto:INFO%3Artpp_command_ul_handle%3A940248136_13287504@84.14.241.179" target="_blank">INFO:rtpp_command_ul_handle:940248136_13287504@84.14.241.179</a>: pre-filling callee's address with <a href="http://192.168.2.2:49156" target="_blank">192.168.2.2:49156</a></span><span lang=FR-BE><o:p></o:p></span></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span lang=EN-US>Jan 18 21:51:26 proxy1 rtpproxy[1314]: INFO:rxmit_packets:e1e387824e0753522b7bc55e02090784: callee's address latched in: <a href="http://79.137.49.139:39176" target="_blank">79.137.49.139:39176</a> (RTP)</span><span lang=FR-BE><o:p></o:p></span></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span lang=EN-US>Jan 18 21:51:32 proxy1 rtpproxy[1314]: INFO:rxmit_packets:e1e387824e0753522b7bc55e02090784: caller's address filled in: <a href="http://217.112.180.235:49155" target="_blank">217.112.180.235:49155</a> (RTCP)</span><span lang=FR-BE><o:p></o:p></span></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span lang=EN-US>Jan 18 21:51:32 proxy1 rtpproxy[1314]: <a href="mailto:INFO%3Arxmit_packets%3A940248136_13287504@84.14.241.179" target="_blank">INFO:rxmit_packets:940248136_13287504@84.14.241.179</a>: callee's address filled in: <a href="http://217.112.180.235:49157" target="_blank">217.112.180.235:49157</a> (RTCP)</span><span lang=FR-BE><o:p></o:p></span></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span lang=EN-US> </span><span lang=FR-BE><o:p></o:p></span></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span lang=EN-US>I would like to understand why with the first call, no issues to determine the RTP IP and not in the second case,</span><span lang=FR-BE><o:p></o:p></span></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span lang=EN-US> </span><span lang=FR-BE><o:p></o:p></span></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span lang=EN-US> </span><span lang=FR-BE><o:p></o:p></span></p></div></div><p class=MsoNormal>_______________________________________________<br>Kamailio (SER) - Users Mailing List<br><a href="mailto:sr-users@lists.kamailio.org" target="_blank">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></div></body></html>