<div dir="ltr">You're on an older release, we've fixed this already.<div><br></div><div>/b</div><div><br></div></div><div class="gmail_extra"><br><div class="gmail_quote">On Thu, Dec 1, 2016 at 8:48 AM, Peter Steinbach <span dir="ltr"><<a href="mailto:lists@telefaks.de" target="_blank">lists@telefaks.de</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
<div bgcolor="#FFFFFF" text="#000000">
<div id="m_-8539583525953535539magicdomid9"><span class="m_-8539583525953535539author-a-nz78zpo6yz73z1gz65zvz70z8z66zz89zz70z">Hello,<br>
<br>
I have a strange error when proyy-media T38 faxes.<br>
Freeswitch is behind NAT (internal </span><span class="m_-8539583525953535539author-a-nz78zpo6yz73z1gz65zvz70z8z66zz89zz70z"><span class="m_-8539583525953535539author-a-nz78zpo6yz73z1gz65zvz70z8z66zz89zz70z">192.168.12.248</span>,
external </span><span class="m_-8539583525953535539author-a-nz78zpo6yz73z1gz65zvz70z8z66zz89zz70z"><span class="m_-8539583525953535539author-a-nz78zpo6yz73z1gz65zvz70z8z66zz89zz70z">5.10.xxx.yyy)</span>,
other, receiving Server is also a Freeswitch<br>
<br>
A connection is made via G.711A, we hear the machines
negociating, then we receive a T.38 reinvite from the remote
Freeswitch server.<br>
The local ATA 30@ reponds with T38 SDP, Freeswitch is passing it
to the remote site (and there the error occurs). See error in
bold:<br>
</span><br>
<div class="m_-8539583525953535539ace-line" id="m_-8539583525953535539magicdomid34"><tt><span class="m_-8539583525953535539author-a-nz78zpo6yz73z1gz65zvz70z8z66zz89zz70z">2016-12-01
15:28:55.534228 [DEBUG] sofia.c:6937 Channel
<a class="m_-8539583525953535539moz-txt-link-abbreviated" href="mailto:sofia/internal/30@192.168.12.248" target="_blank">sofia/internal/30@192.168.12.<wbr>248</a> entering state
[completing][200]</span></tt></div>
<div class="m_-8539583525953535539ace-line" id="m_-8539583525953535539magicdomid35"><tt><span class="m_-8539583525953535539author-a-nz78zpo6yz73z1gz65zvz70z8z66zz89zz70z">2016-12-01
15:28:55.534228 [DEBUG] sofia.c:6944 Duplicate SDP</span></tt></div>
<div class="m_-8539583525953535539ace-line" id="m_-8539583525953535539magicdomid36"><tt><span class="m_-8539583525953535539author-a-nz78zpo6yz73z1gz65zvz70z8z66zz89zz70z">v=0</span></tt></div>
<div class="m_-8539583525953535539ace-line" id="m_-8539583525953535539magicdomid37"><tt><span class="m_-8539583525953535539author-a-nz78zpo6yz73z1gz65zvz70z8z66zz89zz70z">o=30
8002 8001 IN IP4 192.168.12.99</span></tt></div>
<div class="m_-8539583525953535539ace-line" id="m_-8539583525953535539magicdomid38"><tt><span class="m_-8539583525953535539author-a-nz78zpo6yz73z1gz65zvz70z8z66zz89zz70z">s=SIP
Call</span></tt></div>
<div class="m_-8539583525953535539ace-line" id="m_-8539583525953535539magicdomid39"><tt><span class="m_-8539583525953535539author-a-nz78zpo6yz73z1gz65zvz70z8z66zz89zz70z">c=IN
IP4 192.168.12.99</span></tt></div>
<div class="m_-8539583525953535539ace-line" id="m_-8539583525953535539magicdomid40"><tt><span class="m_-8539583525953535539author-a-nz78zpo6yz73z1gz65zvz70z8z66zz89zz70z">t=0 0</span></tt></div>
<div class="m_-8539583525953535539ace-line" id="m_-8539583525953535539magicdomid41"><tt><span class="m_-8539583525953535539author-a-nz78zpo6yz73z1gz65zvz70z8z66zz89zz70z">m=image
5012 udptl t38</span></tt></div>
<div class="m_-8539583525953535539ace-line" id="m_-8539583525953535539magicdomid42"><tt><span class="m_-8539583525953535539author-a-nz78zpo6yz73z1gz65zvz70z8z66zz89zz70z">a=T38FaxVersion:0</span></tt></div>
<div class="m_-8539583525953535539ace-line" id="m_-8539583525953535539magicdomid43"><tt><span class="m_-8539583525953535539author-a-nz78zpo6yz73z1gz65zvz70z8z66zz89zz70z">a=T38MaxBitRate:14400</span></tt></div>
<div class="m_-8539583525953535539ace-line" id="m_-8539583525953535539magicdomid44"><tt><span class="m_-8539583525953535539author-a-nz78zpo6yz73z1gz65zvz70z8z66zz89zz70z">a=T38FaxRateManagement:<wbr>transferredTCF</span></tt></div>
<div class="m_-8539583525953535539ace-line" id="m_-8539583525953535539magicdomid45"><tt><span class="m_-8539583525953535539author-a-nz78zpo6yz73z1gz65zvz70z8z66zz89zz70z">a=T38FaxMaxBuffer:500</span></tt></div>
<div class="m_-8539583525953535539ace-line" id="m_-8539583525953535539magicdomid46"><tt><span class="m_-8539583525953535539author-a-nz78zpo6yz73z1gz65zvz70z8z66zz89zz70z">a=T38FaxMaxDatagram:500</span></tt></div>
<div class="m_-8539583525953535539ace-line" id="m_-8539583525953535539magicdomid47"><tt><span class="m_-8539583525953535539author-a-nz78zpo6yz73z1gz65zvz70z8z66zz89zz70z">a=T38FaxUdpEC:t38UDPRedundancy<br>
<br>
</span></tt></div>
<tt><span class="m_-8539583525953535539author-a-nz78zpo6yz73z1gz65zvz70z8z66zz89zz70z">2016-12-01
15:28:55.534228 [DEBUG] sofia.c:6937 Channel
<a class="m_-8539583525953535539moz-txt-link-abbreviated" href="mailto:sofia/internal/30@192.168.12.248" target="_blank">sofia/internal/30@192.168.12.<wbr>248</a> entering state [ready][200]</span></tt></div>
<div id="m_-8539583525953535539magicdomid10"><tt><span class="m_-8539583525953535539author-a-nz78zpo6yz73z1gz65zvz70z8z66zz89zz70z">2016-12-01
15:28:55.554501 [DEBUG] mod_sofia.c:2088 Responding with 200
[OK]</span></tt></div>
<div id="m_-8539583525953535539magicdomid11"><tt><span class="m_-8539583525953535539author-a-nz78zpo6yz73z1gz65zvz70z8z66zz89zz70z">2016-12-01
15:28:55.554501 [DEBUG] switch_core_media.c:8955
sofia/external/0403801xxxxxxx image media sdp:</span></tt></div>
<div id="m_-8539583525953535539magicdomid12"><tt><span class="m_-8539583525953535539author-a-nz78zpo6yz73z1gz65zvz70z8z66zz89zz70z">v=0</span></tt></div>
<div id="m_-8539583525953535539magicdomid13"><tt><span class="m_-8539583525953535539author-a-nz78zpo6yz73z1gz65zvz70z8z66zz89zz70z">o=FreeSWITCH
1480572959 1480572961 IN IP4 5.10.xxx.yyy</span></tt></div>
<div id="m_-8539583525953535539magicdomid14"><tt><span class="m_-8539583525953535539author-a-nz78zpo6yz73z1gz65zvz70z8z66zz89zz70z">s=FreeSWITCH</span></tt></div>
<div id="m_-8539583525953535539magicdomid15"><tt><span class="m_-8539583525953535539author-a-nz78zpo6yz73z1gz65zvz70z8z66zz89zz70z">c=IN
IP4 5.10.xxx.yyy</span></tt></div>
<div id="m_-8539583525953535539magicdomid16"><tt><span class="m_-8539583525953535539author-a-nz78zpo6yz73z1gz65zvz70z8z66zz89zz70z">t=0 0</span></tt></div>
<div id="m_-8539583525953535539magicdomid17"><tt><span class="m_-8539583525953535539author-a-nz78zpo6yz73z1gz65zvz70z8z66zz89zz70z">m=image
29544 udptl t38</span></tt></div>
<div id="m_-8539583525953535539magicdomid18"><tt><span class="m_-8539583525953535539author-a-nz78zpo6yz73z1gz65zvz70z8z66zz89zz70z">a=T38FaxVersion:0</span></tt></div>
<div id="m_-8539583525953535539magicdomid19"><tt><span class="m_-8539583525953535539author-a-nz78zpo6yz73z1gz65zvz70z8z66zz89zz70z">a=T38MaxBitRate:14400</span></tt></div>
<div id="m_-8539583525953535539magicdomid20"><tt><span class="m_-8539583525953535539author-a-nz78zpo6yz73z1gz65zvz70z8z66zz89zz70z">a=T38FaxRateManagement:<wbr>transferredTCF</span></tt></div>
<div id="m_-8539583525953535539magicdomid21"><tt><span class="m_-8539583525953535539author-a-nz78zpo6yz73z1gz65zvz70z8z66zz89zz70z">a=T38FaxMaxBuffer:500</span></tt></div>
<div id="m_-8539583525953535539magicdomid22"><tt><span class="m_-8539583525953535539author-a-nz78zpo6yz73z1gz65zvz70z8z66zz89zz70z">a=T38FaxMaxDatagram:500</span></tt></div>
<div id="m_-8539583525953535539magicdomid23"><tt><span class="m_-8539583525953535539author-a-nz78zpo6yz73z1gz65zvz70z8z66zz89zz70z">a=T38FaxUdpEC:t38UDPRedundancy</span></tt></div>
<div id="m_-8539583525953535539magicdomid24"><tt><br>
</tt></div>
<div id="m_-8539583525953535539magicdomid25"><tt><b><span class="m_-8539583525953535539author-a-nz78zpo6yz73z1gz65zvz70z8z66zz89zz70z">2016-12-01
15:28:55.554501 [ERR] switch_rtp.c:6420 Poll failed with
error: 9 [Bad file descriptor]</span></b></tt></div>
<div id="m_-8539583525953535539magicdomid26"><tt><span class="m_-8539583525953535539author-a-nz78zpo6yz73z1gz65zvz70z8z66zz89zz70z">2016-12-01
15:28:55.554501 [DEBUG] switch_ivr_bridge.c:712
sofia/external/0403801xxxxxxx ending bridge by request from
read function</span></tt></div>
<div id="m_-8539583525953535539magicdomid27"><tt><span class="m_-8539583525953535539author-a-nz78zpo6yz73z1gz65zvz70z8z66zz89zz70z">2016-12-01
15:28:55.554501 [DEBUG] switch_ivr_bridge.c:785 BRIDGE THREAD
DONE [sofia/external/<wbr>0403801xxxxxxx]</span></tt></div>
<div id="m_-8539583525953535539magicdomid28"><span class="m_-8539583525953535539author-a-nz78zpo6yz73z1gz65zvz70z8z66zz89zz70z"><tt>2016-12-01
15:28:55.554501 [NOTICE] switch_ivr_bridge.c:889 Hangup
sofia/external/0403801xxxxxxx [CS_EXCHANGE_MEDIA]
[NORMAL_CLEAR</tt><tt><br>
</tt><br>
Some background Info:<br>
</span>
<ul>
<li>Freeswitch runs in LXC environment</li>
<li>Freeswitch runs as non-priviledged user.</li>
</ul>
<p>What is the cause of this? Maybe a problem with port 29544? But
port 29544 was already previously used with G.711A.<span class="HOEnZb"><font color="#888888"><br>
<br>
</font></span></p><span class="HOEnZb"><font color="#888888">
</font></span></div><span class="HOEnZb"><font color="#888888">
<pre class="m_-8539583525953535539moz-signature" cols="72">--
With kind regards
Peter Steinbach
Telefaks Services GmbH
<a class="m_-8539583525953535539moz-txt-link-freetext" href="mailto:lists" target="_blank">mailto:lists</a> (att) <a href="http://telefaks.de" target="_blank">telefaks.de</a>
Internet: <a class="m_-8539583525953535539moz-txt-link-abbreviated" href="http://www.telefaks.de" target="_blank">www.telefaks.de</a>
</pre>
</font></span></div>
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<a href="http://www.freeswitch.org" rel="noreferrer" target="_blank">http://www.freeswitch.org</a><br></blockquote></div><br><br clear="all"><div><br></div>-- <br><div class="gmail_signature" data-smartmail="gmail_signature"><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr">
<p><font face="courier new, monospace"><b><i><font size="4">Brian West</font></i></b><br><span style="font-size:x-small"><a href="mailto:brian@freeswitch.org" target="_blank">brian@freeswitch.org</a></span></font></p>
<p><font size="1" face="courier new, monospace"><img src="http://billing.freeswitch.org/templates/default/img/whmcslogo.png"><br></font></p><p><font size="2" face="monospace, monospace"><b><i>Twitter: @FreeSWITCH , @briankwest</i></b><br><a href="http://www.freeswitchbook.com" target="_blank">http://www.freeswitchbook.com</a> (50% Discount using code FreeSwitch50)<br><a href="http://www.freeswitchcookbook.com" target="_blank">http://www.freeswitchcookbook.com</a> </font><span style="font-family:monospace,monospace;font-size:small">(50% Discount using code FreeSwitch50)</span><font size="2" face="monospace, monospace"><br></font><a href="https://www.gofundme.com/freeswitch_ubuntu" style="font-size:12.8px" target="_blank"><font face="monospace, monospace">https://www.gofundme.com/freeswitch_ubuntu</font></a></p><p><font face="monospace, monospace">Got Bugs? Report them <a href="https://freeswitch.org/jira" target="_blank">here</a>! | Reddit: <a href="https://www.reddit.com/r/freeswitch" target="_blank">/r/freeswitch</a></font></p>
<p><font size="2" face="monospace, monospace"><b>T:</b>+19184209001 | <b>F:</b>+19184209002 | <b>M:</b>+1918424WEST (9378)<br><b>iNUM:</b>+883 5100 1420 9001 | <b>ISN:</b>410*543 | <b>Skype:</b>briankwest</font></p></div></div></div></div></div></div></div></div></div></div></div></div></div></div>
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