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    You can try using a softphone from another computer, or an
    Android/IOS client and see if the distortion is still present.
    There's a number of possibilities- incorrect mic levels, timing
    issues, no jitter buffer on FSClient, so external testing will help
    narrow it down.<br>
    Zoiper communicator is good for this, as is Xlite and a few others.
    3CX _might_ still work, if they haven't dumped the free SIP version
    yet? Better still, if you have a hardphone with current firmware,
    that's a better point of reference again.<br>
    <br>
    <div class="moz-cite-prefix">On 14/01/2014 10:34 PM, Fredrik &Aring;hl&eacute;n
      wrote:<br>
    </div>
    <blockquote cite="mid:924669D359C54523AA8F67E884B659F4@imedia"
      type="cite">
      <div dir="ltr">
        <div style="FONT-SIZE: 12pt; FONT-FAMILY: 'Calibri'; COLOR:
          #000000">
          <div>Hi everyone,</div>
          <div>this is my first exeperience with FreeSwitch. I just
            downloaded FreeSwitch and installed it on Windows 7 using
            the MSI-installer. I think it&#8217;s verision 1.5.7b, at least
            according to the output from fs_cli.exe. The installation is
            pure local on my own home LAN (100 mbit), i.e no VOIP
            gateways etc.</div>
          <div>&nbsp;</div>
          <div>I am playing around with the installation and the
            FSClient 1.2.3.5 as softphone calling the echo test, calling
            between extension 1000 &#8211; 1001, voice mail 4000 etc.
            Everything seems fine but the sound is somewhat distorted.
            The sound is a little/somewhat scratchy. I&#8217;ve tried to
            change codec in FreeSwitch and/or the FSClient but without
            luck. Since I am completely new to FreeSwitch I thought that
            I would ask the community about it.</div>
          <div>&nbsp;</div>
          <div>What might cause this sound distorsion? I have recorded
            the sound but I was not sure it I should attatch it or not.
            Any help is appreciated.</div>
          <div>&nbsp;</div>
          <div>Output from fs_cli.exe:</div>
          <div>&#8220;</div>
          <div>freeswitch@internal&gt; version</div>
          <div>FreeSWITCH Version
            1.5.7b+git~20131111T224713Z~5456daa010~32bit (git 5456daa
            201</div>
          <div>3-11-11 22:47:13Z 32bit)</div>
          <div>&#8220;</div>
          <div>&nbsp;</div>
          <div>From vars.xml:</div>
          <div>&#8220;</div>
          <div>&lt;X-PRE-PROCESS cmd="set"
            data="global_codec_prefs=G722,PCMU,PCMA,GSM"/&gt;</div>
          <div>&lt;X-PRE-PROCESS cmd="set"
            data="outbound_codec_prefs=PCMU,PCMA,GSM"/&gt;</div>
          <div>&#8220;</div>
          <div>&nbsp;</div>
          <div>With Best Regards,</div>
          <div>Fred</div>
          <div>&nbsp;</div>
        </div>
      </div>
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      <br>
      <pre wrap="">_________________________________________________________________________
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