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      <pre wrap="">Hi,

There is also linphone:
<a class="moz-txt-link-freetext" href="https://linphone.org">https://linphone.org</a>
‎STUN (no TURN yet, possibility to fund it)
C/C++, PolarSSL (mbedTLS)
GPL v2 | propietary

Cheers.
</pre>
      <pre class="moz-signature" cols="72">Sylvain Berfini
Software Engineer @ Belledonne Communications</pre>
      Le 27/10/2015 06:17, Lee Azzarello a écrit :<br>
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    <blockquote
cite="mid:CAJq8BAN3zvXhZdjqU89UYO1UfuKr_uRCnPBhiBeTtU=BPU0_KA@mail.gmail.com"
      type="cite">I'd be interested in your results. I developed and
      continue to operate a free secure SIP service at <a
        moz-do-not-send="true" href="https://ostel.co"><a class="moz-txt-link-freetext" href="https://ostel.co">https://ostel.co</a></a>
      but I chose to forego TURN in favor of using an RTP proxy to do
      NAT traversal. I've been investigating more options for NAT
      traversal at dialog endpoints but haven't implemented anything
      yet. 
      <div><br>
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      <div>-Lee<br>
        <br>
        On Monday, October 26, 2015, Simon Josefsson <<a
          moz-do-not-send="true" href="mailto:simon@josefsson.org"><a class="moz-txt-link-abbreviated" href="mailto:simon@josefsson.org">simon@josefsson.org</a></a>>
        wrote:<br>
        <blockquote class="gmail_quote" style="margin:0 0 0
          .8ex;border-left:1px #ccc solid;padding-left:1ex">Hi.  I'm
          trying to understand what free software STUN/TURN<br>
          implementations exist, and how they compare.  Is anyone aware
          of more<br>
          projects in this area?  Any corrections to the list below?<br>
          <br>
          reSIProcate ReTurn<br>
          <a moz-do-not-send="true"
            href="https://www.resiprocate.org/ReTurn_Overview"
            target="_blank">https://www.resiprocate.org/ReTurn_Overview</a><br>
          BSD-3-clause<br>
          STUN, TURN<br>
          C++, BOOST, OpenSSL<br>
          <br>
          restund<br>
          <a moz-do-not-send="true"
            href="http://www.creytiv.com/restund.html" target="_blank">http://www.creytiv.com/restund.html</a><br>
          BSD-3-clause<br>
          STUN and TURN<br>
          C, OpenSSL<br>
          <br>
          rfc5766-turn-server<br>
          <a moz-do-not-send="true"
            href="https://code.google.com/p/rfc5766-turn-server/"
            target="_blank">https://code.google.com/p/rfc5766-turn-server/</a><br>
          <a moz-do-not-send="true"
            href="https://code.google.com/p/rfc5766-turn-server/"
            target="_blank">https://code.google.com/p/rfc5766-turn-server/</a><br>
          BSD-3-clause<br>
          STUN, TURN<br>
          C, OpenSSL<br>
          Deprecated - see coturn<br>
          <br>
          coturn<br>
          <a moz-do-not-send="true"
            href="https://github.com/coturn/coturnn" target="_blank">https://github.com/coturn/coturnn</a><br>
          BSD-3-clause<br>
          STUN, TURN<br>
          C, OpenSSL<br>
          <br>
          TurnServer<br>
          <a moz-do-not-send="true"
            href="http://turnserver.sourceforge.net/" target="_blank">http://turnserver.sourceforge.net/</a><br>
          GPLv3+<br>
          STUN, TURN<br>
          C, OpenSSL<br>
          Dead?<br>
          <br>
          Stuntman<br>
          <a moz-do-not-send="true" href="http://www.stunprotocol.org/"
            target="_blank">http://www.stunprotocol.org/</a><br>
          Apache2<br>
          STUN only<br>
          C++, BOOST, OpenSSL<br>
          Dead?<br>
          <br>
          PJSIP<br>
          <a moz-do-not-send="true" href="http://www.pjsip.org/"
            target="_blank">http://www.pjsip.org/</a><br>
          GPLv2+|proprietary<br>
          STUN, TURN<br>
          C, OpenSSL<br>
          Really FOSS? External contributions?<br>
          <br>
          OfficeSIP TURN Server<br>
          <a moz-do-not-send="true"
            href="https://sourceforge.net/projects/turnservernet/"
            target="_blank">https://sourceforge.net/projects/turnservernet/</a><br>
          GPLv2+<br>
          STUN, TURN<br>
          C#<br>
          Dead?<br>
          <br>
          STUN Client and Server<br>
          <a moz-do-not-send="true"
            href="https://sourceforge.net/projects/stun/"
            target="_blank">https://sourceforge.net/projects/stun/</a><br>
          Vovida Software License<br>
          STUN<br>
          C++<br>
          Dead?<br>
          <br>
          ice4j<br>
          <a moz-do-not-send="true"
            href="https://github.com/jitsi/ice4j" target="_blank">https://github.com/jitsi/ice4j</a><br>
          Apache2<br>
          STUN, TURN<br>
          Java<br>
          Server?<br>
          <br>
          Thanks,<br>
          /Simon<br>
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