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<font face="monospace">Hi,<br>
<br>
477 is an intern error meaning some transport level err happened -
like in your case, OpenSIPS did not find and was not able to open
a new TLS connection back to softphone.<br>
<br>
Probably some times, depending on the call duration, the TLS conn
is still up and the BYE is routed.<br>
<br>
Regards,<br>
</font>
<pre class="moz-signature" cols="72">Bogdan-Andrei Iancu
OpenSIPS Founder and Developer
<a class="moz-txt-link-freetext" href="https://www.opensips-solutions.com">https://www.opensips-solutions.com</a>
<a class="moz-txt-link-freetext" href="https://www.siphub.com">https://www.siphub.com</a></pre>
<div class="moz-cite-prefix">On 16.02.2024 14:41, Vinayak Makwana
via Users wrote:<br>
</div>
<blockquote type="cite"
cite="mid:CAPHmyfwkRbvkxukc_jmHyQ2nSAKwA3_fYnxCNz+uZ_EG20iWbg@mail.gmail.com">
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<p>Hello all, <br>
I am facing an issue when opensips gets BYE from the
freeswitch side. At that time, opensips sent 477 reply to the
BYE request. <br>
<br>
Here's the call scenario : when we dial the call from
softphone to opensips, it's TLS call flow, and from opensips
to Freeswitch, it's UDP call flow. So when we disconnect a
call from Softphone at that time, the call disconnects
properly, but when we disconnect a call from FreeSwitch at
that time, opensips sends 477 sending failed to Freeswitch.
but sometimes OpenSIP sends 200 OK successfully to Freeswitch,
and calls get disconnected also. <br>
<br>
<strong>opensips logs at the time of 477 reply send:</strong> <br>
ERROR:core:tcp_connect_blocking_timeout: connect timed out,
99171 us elapsed out of 100000 us<br>
ERROR:core:tcp_sync_connect_fd: tcp_blocking_connect failed<br>
ERROR:proto_tls:proto_tls_send: connect failed<br>
ERROR:tm:msg_send: send() to a.b.c.d:53722 for proto tls/3
failed<br>
ERROR:tm:t_forward_nonack: sending request failed<br>
DBG:tm:t_relay_to: t_forward_nonack returned error <br>
DBG:sl:sl_reply_error: error text is Send failed (477/SL)<br>
<br>
Please suggest if anything needs to be configured on
the opensips side.<br>
<br>
--<br>
Regards,<br>
<strong>Vinayak Makwana<br>
</strong><br>
<br>
</p>
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