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</o:shapelayout></xml><![endif]--></head><body lang=SV link=blue vlink=purple style='word-wrap:break-word'><div class=WordSection1><p class=MsoNormal><span lang=EN-GB style='font-size:11.0pt;font-family:"Calibri",sans-serif;mso-fareast-language:EN-US'>Hi, I might add that it’s worth checking TCP keep alive from both client and server.<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-GB style='font-size:11.0pt;font-family:"Calibri",sans-serif;mso-fareast-language:EN-US'><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-GB style='font-size:11.0pt;font-family:"Calibri",sans-serif;mso-fareast-language:EN-US'>Olle Frimanson<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-GB style='font-size:11.0pt;font-family:"Calibri",sans-serif;mso-fareast-language:EN-US'><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='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'> Users <users-bounces@lists.opensips.org> <b>On Behalf Of </b>Ben Newlin<br><b>Sent:</b> den 2 maj 2024 16:21<br><b>To:</b> OpenSIPS users mailling list <Users@lists.opensips.org><br><b>Subject:</b> Re: [OpenSIPS-Users] Send failed<o:p></o:p></span></p></div></div><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal><span lang=EN-US style='font-size:11.0pt'>There are many different reasons for this error. With just this one line description and no more context it isn’t possible to say why it is occurring.<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:11.0pt'><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:11.0pt'>The most common cause of 477 errors is issues with the TCP/TLS connection to the far end. Have you tried capturing a trace of the call attempt? Have you verified your TCP/TLS settings are correct and are aligned with what the far end expects? Have you verified the message is being sent to the correct remote target to begin with?<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:11.0pt'><o:p> </o:p></span></p><div><p class=MsoNormal><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:black'>Ben Newlin</span><span lang=EN-US style='font-size:11.0pt'><o:p></o:p></span></p></div><p class=MsoNormal><span lang=EN-US style='font-size:11.0pt'><o:p> </o:p></span></p><div id=mail-editor-reference-message-container><div><div style='border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0cm 0cm 0cm'><p class=MsoNormal style='margin-bottom:12.0pt'><b><span lang=EN-US style='font-size:12.0pt;color:black'>From: </span></b><span lang=EN-US style='font-size:12.0pt;color:black'>Users <<a href="mailto:users-bounces@lists.opensips.org">users-bounces@lists.opensips.org</a>> on behalf of Prathibha B <<a href="mailto:prathibhab.tvm@gmail.com">prathibhab.tvm@gmail.com</a>><br><b>Date: </b>Thursday, May 2, 2024 at 8:56 AM<br><b>To: </b><a href="mailto:users@lists.opensips.org">users@lists.opensips.org</a> <<a href="mailto:Users@lists.opensips.org">Users@lists.opensips.org</a>><br><b>Subject: </b>Re: [OpenSIPS-Users] Send failed<o:p></o:p></span></p></div><div><div><div><table class=MsoNormalTable border=0 cellspacing=0 cellpadding=0 style='border-collapse:collapse'><tr><td style='border:solid #B60000 1.0pt;background:white;padding:.75pt .75pt .75pt .75pt'><p class=MsoNormal><b><span style='font-size:12.0pt;font-family:"Calibri",sans-serif;color:#B60000'> EXTERNAL EMAIL - Please use caution with links and attachments <o:p></o:p></span></b></p></td></tr></table></div><p class=MsoNormal><span lang=EN-US style='font-size:12.0pt;font-family:"Helvetica",sans-serif'><o:p> </o:p></span></p><div class=MsoNormal align=center style='text-align:center'><span lang=EN-US style='font-size:12.0pt;font-family:"Helvetica",sans-serif'><hr size=1 width="100%" align=center></span></div></div><p class=MsoNormal><span lang=EN-US style='font-size:12.0pt'>Can someone point me on how to resolve this issue?<o:p></o:p></span></p></div><p class=MsoNormal><span lang=EN-US style='font-size:12.0pt'><o:p> </o:p></span></p><div><div><p class=MsoNormal><span lang=EN-US style='font-size:12.0pt'>On Wed, 1 May 2024 at 18:49, Prathibha B <<a href="mailto:prathibhab.tvm@gmail.com">prathibhab.tvm@gmail.com</a>> wrote:<o:p></o:p></span></p></div><blockquote style='border:none;border-left:solid #CCCCCC 1.0pt;padding:0cm 0cm 0cm 6.0pt;margin-left:4.8pt;margin-top:5.0pt;margin-right:0cm;margin-bottom:5.0pt'><div><div><p class=MsoNormal><span lang=EN-US style='font-size:12.0pt'>How to solve this error- 477 send failed.<o:p></o:p></span></p></div></div></blockquote></div><p class=MsoNormal><span lang=EN-US style='font-size:12.0pt'><br clear=all><o:p></o:p></span></p><div><p class=MsoNormal><span lang=EN-US style='font-size:12.0pt'><o:p> </o:p></span></p></div><p class=MsoNormal><span class=gmailsignatureprefix><span lang=EN-US style='font-size:12.0pt'>-- </span></span><span lang=EN-US style='font-size:12.0pt'><o:p></o:p></span></p><div><div><div><p class=MsoNormal><span lang=EN-US style='font-size:12.0pt'>Regards,<o:p></o:p></span></p></div><div><p class=MsoNormal><span lang=EN-US style='font-size:12.0pt'>B.Prathibha<o:p></o:p></span></p></div></div></div></div></div></div></body></html>