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</o:shapelayout></xml><![endif]--></head><body bgcolor=white lang=RU link="#660000" vlink="#003399"><div class=WordSection1><p class=MsoNormal><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Hello Bogdan<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>I applied “r” and “a” flags and problem with fax disappeared, but I got another problem. After I applied “ra” clients behind nat cannot hear caller or callee (never mind who makes call).<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Rtpproxy is working, i.e. it changes SDP body of INVITE and replies, but there is no rtp stream.<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US 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 0cm 0cm 0cm'><p class=MsoNormal><b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif";color:windowtext;mso-fareast-language:RU'>From:</span></b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif";color:windowtext;mso-fareast-language:RU'> Bogdan-Andrei Iancu [mailto:bogdan@opensips.org] <br><b>Sent:</b> Thursday, July 12, 2012 7:01 PM<br><b>To:</b> OpenSIPS users mailling list<br><b>Cc:</b> dpa<br><b>Subject:</b> Re: [OpenSIPS-Users] rtpproxy<o:p></o:p></span></p></div></div><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal><tt><span style='font-size:10.0pt'>Hi,</span></tt><span style='font-size:10.0pt;font-family:"Courier New","serif"'><br><br><tt>According to your trace the RTPproxy is properly inserted during the re-INVITE. Try to put the "r" and "a" flags when using RTPproxy from script.</tt><br><br><tt>Regards,</tt><br><br><br></span><o:p></o:p></p><pre>Bogdan-Andrei Iancu<o:p></o:p></pre><pre>OpenSIPS Founder and Developer<o:p></o:p></pre><pre><a href="http://www.opensips-solutions.com">http://www.opensips-solutions.com</a><o:p></o:p></pre><p class=MsoNormal><br>On 07/11/2012 04:32 PM, dpa wrote: <o:p></o:p></p><p class=MsoNormal><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri","sans-serif"'>Hello Bogdan</span><o:p></o:p></p><p class=MsoNormal><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri","sans-serif"'> </span><o:p></o:p></p><p class=MsoNormal><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri","sans-serif"'>Thank you for answering. </span><o:p></o:p></p><p class=MsoNormal><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri","sans-serif"'>My case is 2).</span><o:p></o:p></p><p class=MsoNormal><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri","sans-serif"'>First I have audio stream which is replaced later by another fax stream.</span><o:p></o:p></p><p class=MsoNormal><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri","sans-serif"'>Here <a href="http://files.mail.ru/8BYVCQ">http://files.mail.ru/8BYVCQ</a></span><o:p></o:p></p><p class=MsoNormal><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri","sans-serif"'>is a tcpdump of unsuccessful call where you can see that rtpproxy doesn`t proxy fax stream.</span><o:p></o:p></p><p class=MsoNormal><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri","sans-serif"'>Rtpproxy (as an Opensips) is located on 213.170.100.150</span><o:p></o:p></p><p class=MsoNormal><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri","sans-serif"'> </span><o:p></o:p></p><div><div style='border:none;border-top:solid windowtext 1.0pt;padding:3.0pt 0cm 0cm 0cm;border-color:-moz-use-text-color -moz-use-text-color'><p class=MsoNormal><b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif";color:windowtext'>From:</span></b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif";color:windowtext'> <a href="mailto:users-bounces@lists.opensips.org">users-bounces@lists.opensips.org</a> [<a href="mailto:users-bounces@lists.opensips.org">mailto:users-bounces@lists.opensips.org</a>] <b>On Behalf Of </b>Bogdan-Andrei Iancu<br><b>Sent:</b> Wednesday, July 11, 2012 4:43 PM<br><b>To:</b> <a href="mailto:users@lists.opensips.org">users@lists.opensips.org</a><br><b>Subject:</b> Re: [OpenSIPS-Users] rtpproxy</span><o:p></o:p></p></div></div><p class=MsoNormal> <o:p></o:p></p><p class=MsoNormal><tt><span style='font-size:10.0pt'>Hi,</span></tt><span style='font-size:10.0pt;font-family:"Courier New ;","serif"'><br><br></span><tt><span style='font-size:10.0pt'>You may have 2 cases, not sure which is yours:</span></tt><span style='font-size:10.0pt;font-family:"Courier New ;","serif"'><br><br></span><tt><span style='font-size:10.0pt'>1) the 2 media sessions are in parallel in the same calls (you can have 2 -or more- RTP streams in the same SIP session). In this case, RTPproxy will take care automatically of each RTP stream)</span></tt><span style='font-size:10.0pt;font-family:"Courier New ;","serif"'><br><br></span><tt><span style='font-size:10.0pt'>2) you have first one audio stream which is replaced by another FAX stream, via a re-INVITE - in this case, if you the normal offer / answer for RTPproxy also for the re-INVITE, it should be ok.</span></tt><span style='font-size:10.0pt;font-family:"Courier New ;","serif"'><br><br></span><tt><span style='font-size:10.0pt'>Regards,</span></tt><span style='font-size:10.0pt;font-family:"Courier New ;","serif"'><br><br><br></span><o:p></o:p></p><pre>Bogdan-Andrei Iancu<o:p></o:p></pre><pre>OpenSIPS Founder and Developer<o:p></o:p></pre><pre><a href="http://www.opensips-solutions.com">http://www.opensips-solutions.com</a><o:p></o:p></pre><p class=MsoNormal><br>On 07/11/2012 11:42 AM, dpa wrote: <o:p></o:p></p><p class=MsoNormal><span style='font-family:"Times New Roman , serif ;","serif"'><img border=0 width=39 height=38 id="Рисунок_x0020_1" src="cid:image001.gif@01CD63EC.BFA1DC20" alt="Описание: cid:part1.00030104.06050802@opensips.org"></span><o:p></o:p></p><p class=MsoNormal><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:windowtext'>Hello</span><o:p></o:p></p><p class=MsoNormal><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:windowtext'> </span><o:p></o:p></p><p class=MsoNormal><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:windowtext'>There is one question about rtpproxy working.</span><o:p></o:p></p><p class=MsoNormal><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:windowtext'>If some UA using 2 different UDP ports for sending RTP and t38 fax packets during one call session, whether rtpproxy is working (proxy both UDP streams) in such case? </span><o:p></o:p></p><p class=MsoNormal><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:windowtext'> </span><o:p></o:p></p><p class=MsoNormal><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:windowtext'>Thank you for any help</span><o:p></o:p></p><p class=MsoNormal><span lang=EN-US> </span><o:p></o:p></p><pre> <o:p></o:p></pre><pre> <o:p></o:p></pre><pre>_______________________________________________<o:p></o:p></pre><pre>Users mailing list<o:p></o:p></pre><pre><a href="mailto:Users@lists.opensips.org">Users@lists.opensips.org</a><o:p></o:p></pre><pre><a href="http://lists.opensips.org/cgi-bin/mailman/listinfo/users">http://lists.opensips.org/cgi-bin/mailman/listinfo/users</a><o:p></o:p></pre><pre><o:p> </o:p></pre><pre><o:p> </o:p></pre><pre>_______________________________________________<o:p></o:p></pre><pre>Users mailing list<o:p></o:p></pre><pre><a href="mailto:Users@lists.opensips.org">Users@lists.opensips.org</a><o:p></o:p></pre><pre><a href="http://lists.opensips.org/cgi-bin/mailman/listinfo/users">http://lists.opensips.org/cgi-bin/mailman/listinfo/users</a><o:p></o:p></pre></div></body></html>