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</o:shapelayout></xml><![endif]--></head><body bgcolor=white lang=RU link="#0563C1" vlink="#954F72"><div class=WordSection1><p class=MsoNormal><span lang=EN-US style='color:#1F497D'>Hello Bogdan,<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='color:#1F497D'>Thank you for advice.<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='color:#1F497D'>I catched 488 and can send INVITE from failure_route, but I can’t modify body inside it.<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='color:#1F497D'>The main goal is change SAVP profile to AVP when 488 received.<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='color:#1F497D'>I tried to do it via rtpengine_offer function. It doesn’t work. I guess, it try to read the body from response (488 in my case) but not from request.<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='color:#1F497D'>I tried to rewrite body via remove_body_part and add_body_part functions, it also doesn’t work.<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='color:#1F497D'>So, I don’t understand how exactly rewrite body in failure_route before do t_relay().<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='color:#1F497D'>In addition, I tried making a new branch (via append_branch function and via branch_route). It just duplicate my re-INVITE without changing the body.<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='color:#1F497D'>Could you please drop a hint (example on few lines of code) how to do it?<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='color:#1F497D'>Thanks.<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='color:#1F497D'><o:p> </o:p></span></p><div><div style='border:none;border-top:solid #E1E1E1 1.0pt;padding:3.0pt 0cm 0cm 0cm'><p class=MsoNormal><b><span lang=EN-US style='color:windowtext;mso-fareast-language:RU'>From:</span></b><span lang=EN-US style='color:windowtext;mso-fareast-language:RU'> Bogdan-Andrei Iancu [mailto:bogdan@opensips.org] <br><b>Sent:</b> Wednesday, January 31, 2018 6:55 PM<br><b>To:</b> OpenSIPS users mailling list <users@lists.opensips.org>; Dmitry <netaskd@gmail.com><br><b>Subject:</b> Re: [OpenSIPS-Users] Handling 488 on a leg B<o:p></o:p></span></p></div></div><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><tt><span style='font-size:10.0pt'>Hello Dmitry,</span></tt><span style='font-size:10.0pt;font-family:"Courier New"'><br><br><tt>What you want to do is called (in SIP) serial forking. Use failure_route{} to catch the 488 and to add a create a new branch (with modified body) .</tt><br><br><tt>See: <a href="http://www.opensips.org/Documentation/Script-Routes-2-3#toc3">http://www.opensips.org/Documentation/Script-Routes-2-3#toc3</a></tt><br><br><tt>Regards,</tt><br><br></span><span style='font-size:12.0pt;mso-fareast-language:RU'><o:p></o:p></span></p><pre>Bogdan-Andrei Iancu<o:p></o:p></pre><pre><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><pre>OpenSIPS Summit 2018<o:p></o:p></pre><pre> <a href="http://www.opensips.org/events/Summit-2018Amsterdam">http://www.opensips.org/events/Summit-2018Amsterdam</a><o:p></o:p></pre><div><p class=MsoNormal>On 01/30/2018 02:56 PM, Dmitry wrote:<o:p></o:p></p></div><blockquote style='margin-top:5.0pt;margin-bottom:5.0pt'><p class=MsoNormal><span lang=EN-US>Hello all,</span><o:p></o:p></p><p class=MsoNormal><span lang=EN-US>Could you say how can I re-send INVITE with changed SDP to B-leg after receive 488 from it?</span><o:p></o:p></p><p class=MsoNormal><span lang=EN-US>Call flow:</span><o:p></o:p></p><p class=MsoNormal><span lang=EN-US>-> A-leg INVITE</span><o:p></o:p></p><p class=MsoNormal><span lang=EN-US><- A-leg 100</span><o:p></o:p></p><p class=MsoNormal><span lang=EN-US>-> B-leg INVITE</span><o:p></o:p></p><p class=MsoNormal><span lang=EN-US><- B-leg 100</span><o:p></o:p></p><p class=MsoNormal><span lang=EN-US><- B-leg 488 – I catch it, and want to send INVITE again with properly SDP</span><o:p></o:p></p><p class=MsoNormal><span lang=EN-US>-> B-leg ACK</span><o:p></o:p></p><p class=MsoNormal><span lang=EN-US><-A-leg 488</span><o:p></o:p></p><p class=MsoNormal><span lang=EN-US>-> B-leg ACK</span><o:p></o:p></p><p class=MsoNormal><span lang=EN-US> </span><o:p></o:p></p><p class=MsoNormal><span lang=EN-US>Thanks for any advice.</span><o:p></o:p></p><p class=MsoNormal><span lang=EN-US>Cheers!</span><o:p></o:p></p><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Times New Roman",serif;mso-fareast-language:RU'><br><br><br><o:p></o:p></span></p><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></blockquote><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Times New Roman",serif;mso-fareast-language:RU'><o:p> </o:p></span></p></div></body></html>