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    Hello!<br>
    <br>
    &nbsp;&nbsp;&nbsp; Have You compiled and loaded mod_spandsp? <br>
    <br>
    <blockquote
      cite="mid:AANLkTimm5sCBj27A14ZHC0g+xL+_46LCfBQyi-Ys32Hf@mail.gmail.com"
      type="cite">Hi everybody,<br>
      <br>
      I am stuck for several days trying to receive a fax using T.38<br>
      <br>
      Based on the instructions in the wiki, I use the following
      dialplan:<br>
      <br>
      &lt;action application="answer" /&gt;<br>
      &lt;action application="playback"
      data="silence_stream://2000"/&gt;<br>
      &lt;action application=set data="fax_enable_t38=true"/&gt;<br>
      &lt;action application=set data="fax_enable_t38_request=true"/&gt;<br>
      &lt;action application="rxfax" data="/tmp/rxfax-${uuid}.tif"/&gt;<br>
      &lt;action application="hangup"/&gt;<br>
      <br>
      When I do that, when rxfax is executed, the following appears on
      the console:<br>
      <br>
      2011-04-02 01:00:04.890173 [ERR] switch_core_session.c:1918
      Invalid Application <br>
      <br>
      If I take out the t38 lines, rxfax behaves as expected, receiving
      the fax using ulaw.<br>
      <br>
      However, I would like to use t.38 instead, which is supported by
      my gateway.<br>
      <br>
      My scenario is:<br>
      <br>
      PSTN -&gt; CISCO AS5400 from my provider -&gt; Internet -&gt; My
      Freeswitch.<br>
      <br>
      I have also tried connecting a fax to a Grandstream HT-502, with
      the same results. I get a INVITE (which don't mention anywhere
      T.38 in the sdp) and Freeswitch never issues a reINVITE asking to
      switch to t.38<br>
      <br>
      My version of FS is:<br>
      FreeSWITCH Version 1.0.head (git-24a9729 2011-03-11 13-00-55
      -0600)<br>
      <br>
      Anybody can give me a clue on what could I be doing wrong????<br>
      <br>
      Thanks in advance!<br>
      <br>
      Alex<br>
      <pre wrap="">
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    </blockquote>
    <br>
    <br>
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