<div dir="ltr">Hi, can anyone look into this, or at least give me some pointers?</div><br><div class="gmail_quote"><div dir="ltr">On Mon, Oct 9, 2017 at 12:17 PM Naftoli Gugenheim <<a href="mailto:naftoligug@gmail.com">naftoligug@gmail.com</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr">Hi, I have an IVR that uses FastAGI, currently running on asterisk 13 (via the <font face="monospace">cleardevice/docker-cert-asterisk13-ubuntu</font> docker image).<div><br></div><div>The problem: In between playing audio files there is an audible click. I'm not sure if somehow the audio files themselves contain clicks and for some reason I don't notice when playing them without asterisk but over the phone they're magnified, if it's a codec issue, if I'm doing something the wrong way, or what. Any help is greatly appreciated!<div><br></div><div>Here is an illustration of what I mean, generated using a call recording app on my phone: <a href="https://drive.google.com/open?id=0B2SmgnDyV1aETDZrdnJBTU82RGc" target="_blank">https://drive.google.com/open?id=0B2SmgnDyV1aETDZrdnJBTU82RGc</a></div><div><br></div><div>Here are the files from the server that it uses: <a href="https://drive.google.com/open?id=0B2SmgnDyV1aEWGNJYy13OGZMTUU" target="_blank">https://drive.google.com/open?id=0B2SmgnDyV1aEWGNJYy13OGZMTUU</a></div><div><br></div><div>I'm not sure why I have both .wav and .sln files.</div><div><br></div><div>Here is some information from the asterisk CLI:</div><div><br></div><div><br></div><div><div><font face="monospace">ubuntu@chavrusa-main:~$ docker-compose exec asterisk asterisk -r</font></div><div><font face="monospace">Asterisk certified/13.1-cert4, Copyright (C) 1999 - 2014, Digium, Inc. and others.</font></div><div><font face="monospace">Created by Mark Spencer <<a href="mailto:markster@digium.com" target="_blank">markster@digium.com</a>></font></div><div><font face="monospace">Asterisk comes with ABSOLUTELY NO WARRANTY; type 'core show warranty' for details.</font></div><div><font face="monospace">This is free software, with components licensed under the GNU General Public</font></div><div><font face="monospace">License version 2 and other licenses; you are welcome to redistribute it under</font></div><div><font face="monospace">certain conditions. Type 'core show license' for details.</font></div><div><font face="monospace">=========================================================================</font></div><div><font face="monospace">Connected to Asterisk certified/13.1-cert4 currently running on 9c5c45693e10 (pid = 17)</font></div><div><font face="monospace">9c5c45693e10*CLI> core show version </font></div><div><font face="monospace">Asterisk certified/13.1-cert4 built by root @ 2dcc79fb8a1e on a x86_64 running Linux on 2016-03-03 08:25:13 UTC</font></div><div><font face="monospace">9c5c45693e10*CLI> core show file formats </font></div><div><font face="monospace">Format   Name    Extensions      </font></div><div><font face="monospace">------   ----    ----------      </font></div><div><font face="monospace">siren7   siren7   siren7        </font></div><div><font face="monospace">g719    g719    g719         </font></div><div><font face="monospace">h264    h264    h264         </font></div><div><font face="monospace">siren14  siren14  siren14       </font></div><div><font face="monospace">h263    h263    h263         </font></div><div><font face="monospace">gsm    gsm    gsm         </font></div><div><font face="monospace">gsm    wav49   WAV|wav49      </font></div><div><font face="monospace">ilbc    iLBC    ilbc         </font></div><div><font face="monospace">slin192  sln192   sln192        </font></div><div><font face="monospace">slin96   sln96   sln96        </font></div><div><font face="monospace">slin48   sln48   sln48        </font></div><div><font face="monospace">slin44   sln44   sln44        </font></div><div><font face="monospace">slin32   sln32   sln32        </font></div><div><font face="monospace">slin24   sln24   sln24        </font></div><div><font face="monospace">slin16   sln16   sln16        </font></div><div><font face="monospace">slin12   sln12   sln12        </font></div><div><font face="monospace">slin    sln    sln|raw       </font></div><div><font face="monospace">slin16   wav16   wav16        </font></div><div><font face="monospace">slin    wav    wav         </font></div><div><font face="monospace">g723    g723sf   g723|g723sf     </font></div><div><font face="monospace">g729    g729    g729         </font></div><div><font face="monospace">g726    g726-16  g726-16       </font></div><div><font face="monospace">g726    g726-24  g726-24       </font></div><div><font face="monospace">g726    g726-32  g726-32       </font></div><div><font face="monospace">g726    g726-40  g726-40       </font></div><div><font face="monospace">g722    g722    g722         </font></div><div><font face="monospace">ulaw    au     au          </font></div><div><font face="monospace">alaw    alaw    alaw|al|alw     </font></div><div><font face="monospace">ulaw    pcm    pcm|ulaw|ul|mu|ulw  </font></div><div><font face="monospace">29 file formats registered.</font></div><div><font face="monospace">9c5c45693e10*CLI> core show codecs audio <br></font></div><div><font face="monospace">Disclaimer: this command is for informational purposes only.</font></div><div><font face="monospace"><span style="white-space:pre-wrap"> </span>It does not indicate anything about your configuration.</font></div><div><font face="monospace">   ID TYPE   NAME DESCRIPTION</font></div><div><font face="monospace">-----------------------------------------------------------------------------------</font></div><div><font face="monospace">    5 audio   g726 (G.726 RFC3551)</font></div><div><font face="monospace">    3 audio   alaw (G.711 a-law)</font></div><div><font face="monospace">    1 audio   g723 (G.723.1)</font></div><div><font face="monospace">   19 audio  speex (SpeeX)</font></div><div><font face="monospace">   20 audio  speex (SpeeX 16khz)</font></div><div><font face="monospace">   21 audio  speex (SpeeX 32khz)</font></div><div><font face="monospace">   23 audio   g722 (G722)</font></div><div><font face="monospace">    7 audio  adpcm (Dialogic ADPCM)</font></div><div><font face="monospace">   24 audio  siren7 (ITU G.722.1 (Siren7, licensed from Polycom))</font></div><div><font face="monospace">   27 audio   g719 (ITU G.719)</font></div><div><font face="monospace">   18 audio   g729 (G.729A)</font></div><div><font face="monospace">    8 audio   slin (16 bit Signed Linear PCM)</font></div><div><font face="monospace">    9 audio   slin (16 bit Signed Linear PCM (12kHz))</font></div><div><font face="monospace">   10 audio   slin (16 bit Signed Linear PCM (16kHz))</font></div><div><font face="monospace">   11 audio   slin (16 bit Signed Linear PCM (24kHz))</font></div><div><font face="monospace">   12 audio   slin (16 bit Signed Linear PCM (32kHz))</font></div><div><font face="monospace">   13 audio   slin (16 bit Signed Linear PCM (44kHz))</font></div><div><font face="monospace">   14 audio   slin (16 bit Signed Linear PCM (48kHz))</font></div><div><font face="monospace">   15 audio   slin (16 bit Signed Linear PCM (96kHz))</font></div><div><font face="monospace">   16 audio   slin (16 bit Signed Linear PCM (192kHz))</font></div><div><font face="monospace">    2 audio   ulaw (G.711 u-law)</font></div><div><font face="monospace">   17 audio  lpc10 (LPC10)</font></div><div><font face="monospace">   26 audio testlaw (G.711 test-law)</font></div><div><font face="monospace">   39 audio   none (<Null> codec)</font></div><div><font face="monospace">   25 audio siren14 (ITU G.722.1 Annex C, (Siren14, licensed from Polycom))</font></div><div><font face="monospace">    6 audio g726aal2 (G.726 AAL2)</font></div><div><font face="monospace">    4 audio   gsm (GSM)</font></div><div><font face="monospace">   22 audio   ilbc (iLBC)</font></div><div><font face="monospace">   28 audio   opus (Opus Codec)</font></div><div><br></div></div></div></div></blockquote></div>