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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'>Fred,<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'>I think you would need to use rtpengine instead of rtpproxy. <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'><a href="https://github.com/sipwise/rtpengine">https://github.com/sipwise/rtpengine</a><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'>-Aaron<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'><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"'> sr-users [mailto:sr-users-bounces@lists.sip-router.org] <b>On Behalf Of </b>Fred Schulz<br><b>Sent:</b> Thursday, January 28, 2016 1:24 PM<br><b>To:</b> sr-users@lists.sip-router.org<br><b>Subject:</b> [SR-Users] P-CSCF<o:p></o:p></span></p></div></div><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Hi all, <o:p></o:p></p><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>we’re just playing around with an IMS setup bases on kamailio. Therefore the kamailio is used as P-,I- and S-CSCF.<o:p></o:p></p></div><div><p class=MsoNormal>We where able to register two clients through all components.<o:p></o:p></p></div><div><p class=MsoNormal>As we wan to start a call session, the P-CSCF answers with „403 - Forbidden. You must register with an S-CSCF“…<o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>I found this snippet in kamailio.cfg:<o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal><span style='font-family:Consolas;color:#333333;background:white'>if (!pcscf_is_registered(</span><span class=pl-pds><span style='font-family:Consolas;color:#183691'>"</span></span><span class=pl-s><span style='font-family:Consolas;color:#183691'>location</span></span><span class=pl-pds><span style='font-family:Consolas;color:#183691'>"</span></span><span style='font-family:Consolas;color:#333333;background:white'>))<o:p></o:p></span></p><p class=MsoNormal><span style='font-family:Consolas;color:#333333;background:white'> { send_reply(</span><span class=pl-pds><span style='font-family:Consolas;color:#183691'>"</span></span><span class=pl-s><span style='font-family:Consolas;color:#183691'>403</span></span><span class=pl-pds><span style='font-family:Consolas;color:#183691'>"</span></span><span style='font-family:Consolas;color:#333333;background:white'>,</span><span class=pl-pds><span style='font-family:Consolas;color:#183691'>"</span></span><span class=pl-s><span style='font-family:Consolas;color:#183691'>Forbidden<o:p></o:p></span></span></p><p class=MsoNormal><span class=pl-s><span style='font-family:Consolas;color:#183691'> - You must register first with a S-CSCF</span></span><span class=pl-pds><span style='font-family:Consolas;color:#183691'>“</span></span><span style='font-family:Consolas;color:#333333;background:white'>)</span><span class=pl-c><span style='font-family:Consolas;color:#969896'>;<o:p></o:p></span></span></p><p class=MsoNormal><span style='font-family:Consolas;color:#333333;background:white'>break</span><span class=pl-c><span style='font-family:Consolas;color:#969896'>;<o:p></o:p></span></span></p><p class=MsoNormal><span style='font-family:Consolas;color:#333333;background:white'>}<o:p></o:p></span></p></div><p class=MsoNormal> <o:p></o:p></p><div><p class=MsoNormal><span style='font-family:Consolas;color:#333333;background:white'><br><br><o:p></o:p></span></p></div><div><p class=MsoNormal>Can one tell me what exactly the kamailio is checking there? As I figured out it is looking in database location table.<o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>The table contains the registered users registered towards the IMS.<o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>Another „problem“ we faced with is the rtpproxy. As the <span style='font-size:10.5pt;font-family:Consolas;color:#333333;background:#FBFAF9'>ngcp-mediaproxy-ng </span>is no longer available and replaced with rtpproxy we’re trying to use it. But kamailio said that the proxy isn’t answering the way expected.<o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><div><p class=MsoNormal><span style='font-size:8.5pt;font-family:"Menlo","serif";color:#C33720'>ERROR: rtpengine [rtpengine.c:1622]: rtpp_test(): proxy responded with invalid response<o:p></o:p></span></p></div></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>Any advise would be nice.<o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>Thank you<o:p></o:p></p></div><div><p class=MsoNormal>Fred<o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div></div></body></html>