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<tt>Hi,<br>
<br>
I strongly suggest to look into the opensips logs and see what
opensips try to do with the call. Based on your saying (that you
see a timeout), I suspect your OpenSIPS tries to deliver the call
over TCP to a destination which does not listen on TCP.<br>
If you do not know hoe to interpret the logs, run opensips in
debug=4 mode, upload the logs corresponding the INVITE execution
and provide the link.<br>
<br>
Regards,<br>
</tt>
<pre class="moz-signature" cols="72">Bogdan-Andrei Iancu
OpenSIPS Founder and Developer
<a class="moz-txt-link-freetext" href="http://www.opensips-solutions.com">http://www.opensips-solutions.com</a></pre>
<div class="moz-cite-prefix">On 31.01.2016 16:28, Nabeel wrote:<br>
</div>
<blockquote
cite="mid:CA+vx6K+yR5kT1eVbLCXu-cSBgZ4QMAzYk8Kg-+MFpgwJ40wZNw@mail.gmail.com"
type="cite">
<div dir="ltr">Without using alias=<a moz-do-not-send="true"
href="http://domain.com">domain.com</a>, TCP still does not
work. My initial request for someone to test this using
Linphone remains. Please test and let me know if you can call
using TCP with OpenSIPS listening on an IP address.</div>
<div class="gmail_extra"><br>
<div class="gmail_quote">On 31 January 2016 at 09:28, Nabeel <span
dir="ltr"><<a moz-do-not-send="true"
href="mailto:nabeelshikder@gmail.com" target="_blank">nabeelshikder@gmail.com</a>></span>
wrote:<br>
<blockquote class="gmail_quote" style="margin:0 0 0
.8ex;border-left:1px #ccc solid;padding-left:1ex">
<div dir="ltr">On further testing, using the IP address
instead of the domain name in the URI setting of Linphone
works with TCP, so I think this might be to do with
SRV/NAPTR records associated with the domain.</div>
<div class="HOEnZb">
<div class="h5">
<div class="gmail_extra"><br>
<div class="gmail_quote">On 31 January 2016 at 08:29,
Nabeel <span dir="ltr"><<a
moz-do-not-send="true"
href="mailto:nabeelshikder@gmail.com"
target="_blank"><a class="moz-txt-link-abbreviated" href="mailto:nabeelshikder@gmail.com">nabeelshikder@gmail.com</a></a>></span>
wrote:<br>
<blockquote class="gmail_quote" style="margin:0 0 0
.8ex;border-left:1px #ccc solid;padding-left:1ex">
<div dir="ltr"><span style="font-size:12.8px">Hello,</span>
<div style="font-size:12.8px"><br>
</div>
<div style="font-size:12.8px">There seems to be
a problem with calls over TCP using Linphone,
and since Linphone is a popular open source
application, I would like someone to please
verify this problem. Calls work fine with
Linphone over UDP, but after registering with
TCP using the same credentials, calls do not
connect at all and lead to a request timeout.
A request timeout does not say much about the
cause, but in this case I suspect there is
something wrong with TCP on the server side. I
would like someone to please install Linphone
on your phone and connect to your OpenSIPS
server using UDP and TCP. Please report here
if the calls work over both transports. </div>
</div>
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