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    I was able to use the Letsencrypt certificate (domain is
    pbx.blah.com) using the following:<br>
    <br>
    <br>
    cat /etc/letsencrypt/live/pbx.blah.com/fullchain.pem
    /etc/letsencrypt/live/pbx.blah.com/privkey.pem &gt;
    /etc/freeswitch/conf/ssl/agent.pem<br>
    <br>
    The root CA was DST as shown by:<br>
    openssl x509 -in /etc/letsencrypt/live/pbx.blah.com/chain.pem -noout
    -issuer<br>
    <br>
    Thus the DST_Root_CA_X3.pem was obtained from:<br>
    <a class="moz-txt-link-freetext" href="https://www.identrust.com/certificates/trustid/root-download-x3.html">https://www.identrust.com/certificates/trustid/root-download-x3.html</a><br>
    <br>
    The cafile was generated using:<br>
    cat /etc/letsencrypt/live/pbx.blah.com/chain.pem  DST_Root_CA_X3.pem
    &gt; /etc/freeswitch/conf/ssl/cafile.pem<br>
    <br>
    Finally checked <br>
    # openssl verify -CAfile cafile.pem agent.pem<br>
    agent.pem: OK<br>
    <br>
    Hope this is helpful to somebody.<br>
    <br>
    <div class="moz-cite-prefix">On 11/21/2016 11:09 AM, Michael Jerris
      wrote:<br>
    </div>
    <blockquote
      cite="mid:94FB5E2B-E2EB-42D5-8B1F-10D74ECC4317@jerris.com"
      type="cite">
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      there are some instructions here:
      <div class=""><br class="">
      </div>
      <div class=""><a moz-do-not-send="true"
href="https://freeswitch.org/confluence/display/FREESWITCH/Debian+8+Jessie#Debian8Jessie-Scriptinstallfreeswitchdemowithverto_communicator"
          class="">https://freeswitch.org/confluence/display/FREESWITCH/Debian+8+Jessie#Debian8Jessie-Scriptinstallfreeswitchdemowithverto_communicator</a></div>
      <div class=""><br class="">
        <div>
          <blockquote type="cite" class="">
            <div class="">On Nov 21, 2016, at 11:50 AM, Rajil Saraswat
              &lt;<a moz-do-not-send="true"
                href="mailto:rajil.s@gmail.com" class="">rajil.s@gmail.com</a>&gt;
              wrote:</div>
            <br class="Apple-interchange-newline">
            <div class="">
              <p dir="ltr" class="">Hello, </p>
              <p dir="ltr" class="">I have been using self generated
                certificates (<a moz-do-not-send="true"
                  href="https://wiki.freeswitch.org/wiki/SIP_TLS"
                  class="">https://wiki.freeswitch.org/wiki/SIP_TLS</a>) 
                until now.<br class="">
                Is it possible to use Letsencrypt generated certificates
                for TLS? </p>
              <p dir="ltr" class="">Thanks</p>
            </div>
          </blockquote>
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      <pre wrap="">_________________________________________________________________________
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    </blockquote>
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