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</o:shapelayout></xml><![endif]--></head><body lang=FR link=blue vlink=purple><div class=WordSection1><p class=MsoNormal><span lang=EN-US style='color:#1F497D'>Forget the previous error, it is not related to the issue.<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US style='color:#1F497D'>The issue is that when OpenSIPS sends the BYE to the SBC, it opens a new TCP connection to the SBC but uses a randomly chosen source port, therefore we don't see the SIP traffic using ngrep since we are filtering using port.<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US style='color:#1F497D'>Is there a way to force OpenSIPS to always use port 5060 as source port when opening TCP connections?<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 #B5C4DF 1.0pt;padding:3.0pt 0cm 0cm 0cm'><p class=MsoNormal><b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif";mso-fareast-language:FR'>From:</span></b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif";mso-fareast-language:FR'> Mickael Marrache [mailto:mickaelmarrache@gmail.com] <br><b>Sent:</b> Wednesday, May 06, 2015 10:15 AM<br><b>To:</b> users@lists.opensips.org<br><b>Subject:</b> TCP connection closed after the call is established<o:p></o:p></span></p></div></div><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Hi<span lang=EN-US>,<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US>We systematically get the following error with a particular SBC when a BYE is received:<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US>Apr 30 21:41:47 [11535]: ERROR:core:tcp_read: error reading: Connection reset by peer<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>Apr 30 21:41:47 [11535]: ERROR:core:tcp_read_req: failed to read<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-CA><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-CA>The components present in the call flow are:<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-CA><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-CA>UAC <-> SBC <-> OpenSIPS <-> UAS<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-CA><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-CA>The call works fine until a BYE is sent by the UAS to OpenSIPS which doesn't forward the BYE to the SBC. I know the TCP connection between the SBC and OpenSIPS is closed after the call is established, and before the BYE is received. However, I expect OpenSIPS to open a TCP connection with the SBC so that the BYE can be forwarded.<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-CA><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-CA>Any idea?<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-CA><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-CA>Thanks,<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-CA>Mickael <o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p></div></body></html>