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<p>Hello,</p>
<p>you have to look at the sip traffic and see if there is something
wrong -- one way is with ngrep:</p>
<p>ngrep -d any -qt -W byline "sip" port 5060</p>
<p>Kamailio itself has nothing to do with media stream (the fax
content), unless you do rtprelay via rtpengine/rtpproxy. If you
have clients behind NAT, then you have to do rtp relaying.</p>
<p>Cheers,<br>
Daniel<br>
</p>
<br>
<div class="moz-cite-prefix">On 03/06/16 10:45, Mx R wrote:<br>
</div>
<blockquote
cite="mid:CAN5t_BkrBV8OVq6-LSteb0yAz-BquBn=zXuZ8Agygp7amTWjGA@mail.gmail.com"
type="cite">
<div dir="ltr">
<div>Hi there,</div>
<div><br>
</div>
<div>We use kamailio 4.3.3. And we have one problem with the
fax. We send and receive from and to our network, the fax does
not work. Fax reports "other fax not responding". When we send
through our network to another operator they receive fax.</div>
<div>What could be wrong?<br>
</div>
</div>
<br>
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</pre>
</blockquote>
<br>
<pre class="moz-signature" cols="72">--
Daniel-Constantin Mierla
<a class="moz-txt-link-freetext" href="http://www.asipto.com">http://www.asipto.com</a> - <a class="moz-txt-link-freetext" href="http://www.kamailio.org">http://www.kamailio.org</a>
<a class="moz-txt-link-freetext" href="http://twitter.com/#!/miconda">http://twitter.com/#!/miconda</a> - <a class="moz-txt-link-freetext" href="http://www.linkedin.com/in/miconda">http://www.linkedin.com/in/miconda</a></pre>
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