<div dir="ltr"># TCP Connection settings<br>tcp_connect_timeout = 200<br>tcp_connection_lifetime = 3600<br>tcp_max_connections = 4096<br>tcp_keepalive = 0<br>tcp_keepcount = 5<br>tcp_keepidle = 60<br>tcp_keepinterval = 0<br></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Fri, 3 May 2024 at 05:45, Prathibha B <<a href="mailto:prathibhab.tvm@gmail.com">prathibhab.tvm@gmail.com</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">
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<div dir="auto">How to check TCP keepalive from client and server?</div>
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Sent from <a href="https://aka.ms/AAb9ysg" target="_blank">Outlook for Android</a></div>
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<div id="m_2588248899773143110divRplyFwdMsg" dir="ltr"><font face="Calibri, sans-serif" style="font-size:11pt" color="#000000"><b>From:</b> Users <<a href="mailto:users-bounces@lists.opensips.org" target="_blank">users-bounces@lists.opensips.org</a>> on behalf of <a href="mailto:olle@zaark.com" target="_blank">olle@zaark.com</a> <<a href="mailto:olle@zaark.com" target="_blank">olle@zaark.com</a>><br>
<b>Sent:</b> Thursday, May 2, 2024 10:47:23 PM<br>
<b>To:</b> 'OpenSIPS users mailling list' <<a href="mailto:users@lists.opensips.org" target="_blank">users@lists.opensips.org</a>><br>
<b>Subject:</b> Re: [OpenSIPS-Users] Send failed</font>
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<p><span lang="EN-GB" style="font-size:11pt;font-family:Calibri,sans-serif">Hi, I might add that it’s worth checking TCP keep alive from both client and server.</span></p>
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<p><span lang="EN-GB" style="font-size:11pt;font-family:Calibri,sans-serif">Olle Frimanson</span></p>
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<p><b><span lang="EN-US" style="font-size:11pt;font-family:Calibri,sans-serif">From:</span></b><span lang="EN-US" style="font-size:11pt;font-family:Calibri,sans-serif"> Users <<a href="mailto:users-bounces@lists.opensips.org" target="_blank">users-bounces@lists.opensips.org</a>>
<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 <<a href="mailto:Users@lists.opensips.org" target="_blank">Users@lists.opensips.org</a>><br>
<b>Subject:</b> Re: [OpenSIPS-Users] Send failed</span></p>
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<p><span lang="EN-US" style="font-size:11pt">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.</span></p>
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<p><span lang="EN-US" style="font-size:11pt">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?</span></p>
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<p><span lang="EN-US" style="font-size:11pt;font-family:Calibri,sans-serif;color:black">Ben Newlin</span><span lang="EN-US" style="font-size:11pt"></span></p>
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<p style="margin-bottom:12pt"><b><span lang="EN-US" style="font-size:12pt;color:black">From:
</span></b><span lang="EN-US" style="font-size:12pt;color:black">Users <<a href="mailto:users-bounces@lists.opensips.org" target="_blank">users-bounces@lists.opensips.org</a>> on behalf of Prathibha B <<a href="mailto:prathibhab.tvm@gmail.com" target="_blank">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" target="_blank">users@lists.opensips.org</a> <<a href="mailto:Users@lists.opensips.org" target="_blank">Users@lists.opensips.org</a>><br>
<b>Subject: </b>Re: [OpenSIPS-Users] Send failed</span></p>
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<p><b><span style="font-size:12pt;font-family:Calibri,sans-serif;color:rgb(182,0,0)"> EXTERNAL EMAIL - Please use caution with links and attachments </span></b></p>
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<p><span lang="EN-US" style="font-size:12pt">Can someone point me on how to resolve this issue?</span></p>
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<p><span lang="EN-US" style="font-size:12pt">On Wed, 1 May 2024 at 18:49, Prathibha B <<a href="mailto:prathibhab.tvm@gmail.com" target="_blank">prathibhab.tvm@gmail.com</a>> wrote:</span></p>
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<p><span lang="EN-US" style="font-size:12pt">How to solve this error- 477 send failed.</span></p>
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<p><span><span lang="EN-US" style="font-size:12pt">--
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<p><span lang="EN-US" style="font-size:12pt">Regards,</span></p>
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<p><span lang="EN-US" style="font-size:12pt">B.Prathibha</span></p>
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</blockquote></div><br clear="all"><div><br></div><span class="gmail_signature_prefix">-- </span><br><div dir="ltr" class="gmail_signature"><div dir="ltr"><div>Regards,</div><div>B.Prathibha<br></div></div></div>