<div dir="ltr"><br><div class="gmail_extra"><br><div class="gmail_quote">On 15 June 2017 at 12:50, Sven Uszpelkat <span dir="ltr"><<a href="mailto:USZPELSV@comunycarse.com" target="_blank">USZPELSV@comunycarse.com</a>></span> wrote:<br><div> <br></div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div link="blue" vlink="purple" lang="ES"><div class="m_6334059404860260838m_-5427165836464059540WordSection1"><p class="m_6334059404860260838m_-5427165836464059540MsoListParagraph"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d" lang="EN-US"><u></u><u></u></span></p>
<p class="m_6334059404860260838m_-5427165836464059540MsoListParagraph"><u></u><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d" lang="EN-US"><span>3.)<span style="font:7.0pt "Times New Roman"">
</span></span></span><u></u><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d" lang="EN-US">We set the silence threshold to 0 because the documentation is not very clear how to disable the silence detection. We don’t want the
recording to stop in response to a period of silence. The point is to record everything.<u></u><u></u></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d" lang="EN-US"><u></u></span></p></div></div></blockquote><div><br></div><div>The silence_threshold determines what is considered silence, eg below what level of acoustic energy we state the stream is containing silence. Then, we wait for "how_many_silence_seconds" or until hangup before stopping recording.<br><br></div><div>So, maybe you are right, and setting it to 0 will consider silence only when there is absolute silence in the stream, so for all practical purposes, until hangup. I have no mean to check source code now.<br><br></div><div>On another hand, I can think at other possible causes for the premature end of the recorded file: maybe you move the file before it has been flushed by FreeSWITCH or by operating system? Maybe the hangup in the script interrupts the recording in the script and close the file descriptor before is flushed? (I am shooting in the dark)<br><br></div><div>You can try to leave out those two lines, and test again.<br><br></div><div>Also, you can insert a line that sync (flush) the filesystem before exiting, just to be sure.<br><br></div><div>I would insert it after the while(session:ready())<br><br></div><div>A system(sync), or something similar will probably do.<br></div><div><br></div><div>Hope this helps,<br></div><div>-giovanni<br></div><div><br><br><br><br> </div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div link="blue" vlink="purple" lang="ES"><div class="m_6334059404860260838m_-5427165836464059540WordSection1"><p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d" lang="EN-US"> <u></u></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d" lang="EN-US">Best regards,<u></u><u></u></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d" lang="EN-US">Sven<u></u><u></u></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d" lang="EN-US"><u></u> <u></u></span></p>
<p class="MsoNormal"><b><span style="font-size:10.0pt;font-family:"Tahoma","sans-serif"">De:</span></b><span style="font-size:10.0pt;font-family:"Tahoma","sans-serif""> FreeSWITCH-users [</span><a href="mailto:freeswitch-users-bounces@lists.freeswitch.org" target="_blank"><span style="font-size:10.0pt;font-family:"Tahoma","sans-serif"">mailto:freeswitch-users-bounc<wbr>es@lists.freeswitch.org</span></a><span style="font-size:10.0pt;font-family:"Tahoma","sans-serif"">]
<b>En nombre de </b>Giovanni Maruzzelli<br>
<b>Enviado el:</b> jueves, 15 de junio de 2017 11:19<br>
<b>Para:</b> FreeSWITCH Users Help<br>
<b>Asunto:</b> Re: [Freeswitch-users] Call recording<u></u><u></u></span></p><div><div class="m_6334059404860260838h5">
<p class="MsoNormal"><u></u> <u></u></p>
<div>
<p class="MsoNormal"><u></u> <u></u></p>
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<p class="MsoNormal"><u></u> <u></u></p>
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<p class="MsoNormal"><span lang="EN-US">On 15 June 2017 at 09:49, Sven Uszpelkat <</span><a href="mailto:USZPELSV@comunycarse.com" target="_blank"><span lang="EN-US">USZPELSV@comunycarse.com</span></a><span lang="EN-US">> wrote:<u></u><u></u></span></p>
<div>
<div>
<p class="MsoNormal"><span lang="EN-US">Hello,<u></u><u></u></span></p>
<p class="MsoNormal"><span lang="EN-US"> <u></u><u></u></span></p>
<p class="MsoNormal"><span lang="EN-US">We are using FreeSWITCH as a third-party recording application, i.e. we are receiving SIP calls with the complete audio of conversations taking place on another
switch and we are saving this audio to a file. To achieve this we are using a simple script similar to this:<u></u><u></u></span></p>
<p class="MsoNormal"><span lang="EN-US"> <u></u><u></u></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Courier New"" lang="EN-US">session:answer()</span><span lang="EN-US"><u></u><u></u></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Courier New"" lang="EN-US">while(session:ready() == true) do</span><span lang="EN-US"><u></u><u></u></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Courier New"" lang="EN-US"> test = session:recordFile("/usr/local<wbr>/freeswitch/recordings/test.<wbr>wav", 18000, 0, 300)</span><span lang="EN-US"><u></u><u></u></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Courier New"" lang="EN-US"> session:setAutoHangup(false)</span><span lang="EN-US"><u></u><u></u></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Courier New"" lang="EN-US"> session:hangup()</span><span lang="EN-US"><u></u><u></u></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Courier New"" lang="EN-US">end</span><span lang="EN-US"><u></u><u></u></span></p>
<p class="MsoNormal"><span lang="EN-US"> <u></u><u></u></span></p>
<p class="MsoNormal"><span lang="EN-US">This script will be invoked by the following dialplan:<u></u><u></u></span></p>
<p class="MsoNormal"><span lang="EN-US"> <u></u><u></u></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Courier New"" lang="EN-US"><extension name="Recording"></span><span lang="EN-US"><u></u><u></u></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Courier New"" lang="EN-US"> <condition field="destination_number" expression=".*"></span><span lang="EN-US"><u></u><u></u></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Courier New"" lang="EN-US"> <action application="lua" data="record.lua"/></span><span lang="EN-US"><u></u><u></u></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Courier New"" lang="EN-US"> </condition></span><span lang="EN-US"><u></u><u></u></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Courier New"" lang="EN-US"></extension></span><span lang="EN-US"><u></u><u></u></span></p>
<p class="MsoNormal"><span lang="EN-US"> <u></u><u></u></span></p>
<p class="MsoNormal"><span lang="EN-US">Basically it seems to work quite well, but sometimes there are missing audio at the end of the recorded file. Usually it’s only a few seconds, but sometimes
it seems to be more. (It’s like the recording sometimes goes behind the real call and when the hangup event is received the remaining audio is discarded.)
<u></u><u></u></span></p>
<p class="MsoNormal"><span lang="EN-US"> <u></u><u></u></span></p>
<p class="MsoNormal"><span lang="EN-US">What could be the reason for this behavior? Is there something wrong with the script or is there a better way to achieve our goal?<u></u><u></u></span></p>
</div>
</div>
<div>
<p class="MsoNormal"><span lang="EN-US"><u></u> <u></u></span></p>
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<div>
<p class="MsoNormal" style="margin-bottom:12.0pt"><span lang="EN-US">One first question come to my mind: why do you use a script here? A simple extension can do exactly the same, if you just want to record the session...<br>
<br>
</span><a href="https://freeswitch.org/confluence/display/FREESWITCH/mod_dptools:+record_session" target="_blank"><span lang="EN-US">https://freeswitch.org/conflue<wbr>nce/display/FREESWITCH/mod_<wbr>dptools:+record_session</span></a><span lang="EN-US"><u></u><u></u></span></p>
</div>
<div>
<p class="MsoNormal" style="margin-bottom:12.0pt"><span lang="EN-US">Anyway, if you want to use the script, why you first
<br>
<br>
</span><span style="font-size:10.0pt;font-family:"Courier New"" lang="EN-US">session:setAutoHangup(false)</span><span lang="EN-US"><u></u><u></u></span></p>
</div>
<div>
<p class="MsoNormal"><span class="m_6334059404860260838m_-5427165836464059540gmail-"><span style="font-size:10.0pt;font-family:"Arial","sans-serif"" lang="EN-US">and after that you</span></span><span lang="EN-US"><u></u><u></u></span></p>
<p class="MsoNormal"><span lang="EN-US"><u></u> <u></u></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Courier New"" lang="EN-US">session:hangup()</span><span lang="EN-US"><u></u><u></u></span></p>
<p class="MsoNormal"><span lang="EN-US"><u></u> <u></u></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Arial","sans-serif"" lang="EN-US">?</span><span lang="EN-US"><u></u><u></u></span></p>
</div>
<div>
<p class="MsoNormal"><span lang="EN-US"><u></u> <u></u></span></p>
</div>
<div>
<p class="MsoNormal"><span lang="EN-US">Also, you made the silence_threshold equal 0 (zero).
<br>
Have you has the same problems using a silence_threshold of, let's say, 30 (thirty), like in documentation? (
</span><a href="https://freeswitch.org/confluence/display/FREESWITCH/Lua+API+Reference#LuaAPIReference-session:recordFile" target="_blank"><span lang="EN-US">https://freeswitch.org/conflue<wbr>nce/display/FREESWITCH/Lua+<wbr>API+Reference#LuaAPIReference-<wbr>session:recordFile</span></a><span lang="EN-US">
)<u></u><u></u></span></p>
</div>
<div>
<p class="MsoNormal"><span lang="EN-US"><u></u> <u></u></span></p>
</div>
<div>
<p class="MsoNormal" style="margin-bottom:12.0pt"><span lang="EN-US">Hope this helps,<u></u><u></u></span></p>
</div>
<div>
<p class="MsoNormal"><span lang="EN-US">-giovanni<u></u><u></u></span></p>
</div>
<div>
<p class="MsoNormal"><span lang="EN-US"><br>
<u></u><u></u></span></p>
</div>
<blockquote style="border:none;border-left:solid #cccccc 1.0pt;padding:0cm 0cm 0cm 6.0pt;margin-left:4.8pt;margin-top:5.0pt;margin-right:0cm;margin-bottom:5.0pt">
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<div>
<p class="MsoNormal"><span lang="EN-US"> <u></u><u></u></span></p>
<p class="MsoNormal"><span lang="EN-US">Many thanks in advance.<u></u><u></u></span></p>
<p class="MsoNormal"><span lang="EN-US"> <u></u><u></u></span></p>
<p class="MsoNormal"><span lang="EN-US">Best regards,<u></u><u></u></span></p>
<p class="MsoNormal"><span lang="EN-US"> <u></u><u></u></span></p>
<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Verdana","sans-serif"" lang="IT">Sven Uszpelkat</span><span lang="IT"><br>
</span><span style="font-size:7.5pt;font-family:"Verdana","sans-serif";color:teal" lang="IT">Departamento I+D<br>
</span><span style="font-size:7.5pt;font-family:"Verdana","sans-serif";color:teal" lang="EN-US">Comunycarse </span><span style="font-size:7.5pt;font-family:"Verdana","sans-serif";color:#222222" lang="EN-US">Network Consultants, S.L.</span><span lang="EN-US"><u></u><u></u></span></p>
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<p class="MsoNormal"><span lang="EN-US"><br>
<br clear="all">
<br>
-- <u></u><u></u></span></p>
<div>
<div>
<div>
<p class="MsoNormal"><span lang="EN-US"><br>
Sincerely,<br>
<span style="color:#888888"><br>
Giovanni Maruzzelli<br>
OpenTelecom.IT</span><br>
cell: +39 347 266 56 18<u></u><u></u></span></p>
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</blockquote></div><br><br clear="all"><br>-- <br><div class="gmail_signature" data-smartmail="gmail_signature"><div dir="ltr"><div><span><span><br>Sincerely,<br></span><span><font color="#888888"><br>
Giovanni Maruzzelli<br>
OpenTelecom.IT</font></span><br><span>cell: +39 347 266 56 18<span><font color="#888888"><br></font></span></span></span></div></div></div>
</div></div>