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    Hi Velusamy,<br>
    <br>
    you have more success than I, I even don't get mod_opal compiled at
    all. I get the error message below. I updated to the latest git
    version of freeswitch half an hour ago and version 24682 of the opal
    tree was checked out by buildopal.sh.<br>
    <blockquote>
      <blockquote>Compiling
/usr/local/freeswitch-install/freeswitch/src/mod/endpoints/mod_opal/mod_opal.cpp...<br>
        Compiling
        /usr/local/freeswitch-install/freeswitch/src/mod/endpoints/mod_opal/mod_opal.cpp
        ...<br>
        /usr/local/freeswitch-install/freeswitch/src/mod/endpoints/mod_opal/mod_opal.cpp:

        In constructor 'FSConnection::FSConnection(OpalCall&amp;,
        FSEndPoint&amp;, void*, unsigned int,
        OpalConnection::StringOptions*, switch_caller_profile_t*,
        switch_core_session_t*, switch_channel_t*)':<br>
        /usr/local/freeswitch-install/freeswitch/src/mod/endpoints/mod_opal/mod_opal.cpp:564:

        error: no matching function for call to
        'OpalLocalConnection::OpalLocalConnection(OpalCall&amp;,
        FSEndPoint&amp;, void*&amp;, unsigned int&amp;,
        OpalConnection::StringOptions*&amp;)'<br>
        /usr/include/opal/opal/localep.h:253: note: candidates are:
        OpalLocalConnection::OpalLocalConnection(OpalCall&amp;,
        OpalLocalEndPoint&amp;, void*)<br>
        /usr/include/opal/opal/localep.h:242: note:&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
        OpalLocalConnection::OpalLocalConnection(const
        OpalLocalConnection&amp;)<br>
        /usr/local/freeswitch-install/freeswitch/src/mod/endpoints/mod_opal/mod_opal.cpp:

        In member function 'switch_status_t
        FSMediaStream::read_frame(switch_frame_t**, switch_io_flag_t)':<br>
        /usr/local/freeswitch-install/freeswitch/src/mod/endpoints/mod_opal/mod_opal.cpp:1296:

        error: 'class OpalMediaPatch' has no member named
        'OnStartMediaPatch'<br>
        /usr/local/freeswitch-install/freeswitch/src/mod/endpoints/mod_opal/mod_opal.cpp:

        In member function 'switch_status_t
        FSMediaStream::write_frame(const switch_frame_t*,
        switch_io_flag_t)':<br>
        /usr/local/freeswitch-install/freeswitch/src/mod/endpoints/mod_opal/mod_opal.cpp:1418:

        error: 'class OpalMediaPatch' has no member named
        'OnStartMediaPatch'<br>
        make[5]: *** [mod_opal.lo] Error 1<br>
        make[4]: *** [all] Error 1<br>
        make[3]: *** [mod_opal-all] Error 1<br>
        make[2]: *** [all-recursive] Error 1<br>
      </blockquote>
    </blockquote>
    The error message you are experiencing is typically if there is a
    version mismatch between your libs which were installed during the
    compilation of mod_opal and later on, when you try to load it. Maybe
    you have even two different libraries at different places on your
    system. Clean up, recompile and reinstall. Maybe it is working then.<br>
    BR<br>
    &nbsp;&nbsp; Jan<br>
    <br>
    Am 04.09.2010 10:58, schrieb velusamy Krishnan:
    <blockquote
      cite="mid:AANLkTinkT8LoTRewc1LbDuqXdxQ-nwhaRy_swFqWnZn0@mail.gmail.com"
      type="cite">Dear All,<br>
      &nbsp;&nbsp;&nbsp; I have updated the latest SVN for OPAL libraries. The version
      of the OPAL libraries is 24682. But still the problem has not
      solved.<br>
      &nbsp;&nbsp; Kindly anyone tell me which version of the OPAL should be used
      for mod_opal.<br>
      <br>
      Thanks,<br>
      Velusamy.<br>
      <br>
      <br>
      <div class="gmail_quote">On Fri, Sep 3, 2010 at 7:25 PM, Steven
        Ayre <span dir="ltr">&lt;<a moz-do-not-send="true"
            href="mailto:steveayre@gmail.com">steveayre@gmail.com</a>&gt;</span>
        wrote:<br>
        <blockquote class="gmail_quote" style="border-left: 1px solid
          rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left:
          1ex;">
          <div bgcolor="#FFFFFF">
            <div>This means the module was compiled, but it isn't
              finding a required opal function. You might have an older
              copy of opal installed than mod_opal requires.<br>
              <br>
              Steve on iPhone</div>
            <div>
              <div>
              </div>
              <div class="h5">
                <div><br>
                  On 3 Sep 2010, at 14:11, "Lars Zeb" &lt;<a
                    moz-do-not-send="true"
                    href="mailto:larclap@yahoo.com" target="_blank">larclap@yahoo.com</a>&gt;
                  wrote:<br>
                  <br>
                </div>
                <blockquote type="cite">
                  <div>
                    <div>
                      <p class="MsoNormal"><span style="font-size: 11pt;
                          color: rgb(31, 73, 125);">Did you uncomment
                          the opal line in modules.conf?</span></p>
                      <p class="MsoNormal"><span style="font-size: 11pt;
                          color: rgb(31, 73, 125);">&nbsp;</span></p>
                      <p class="MsoNormal"><span style="font-size: 11pt;
                          color: rgb(31, 73, 125);">endpoints/mod_loopback</span></p>
                      <p class="MsoNormal"><span style="font-size: 11pt;
                          color: rgb(31, 73, 125);">#endpoints/mod_alsa</span></p>
                      <p class="MsoNormal">
                        <span style="font-size: 11pt; color: rgb(31, 73,
                          125);">#endpoints/mod_opal&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
                          #&lt;&lt;&lt;&lt;??</span></p>
                      <p class="MsoNormal"><span style="font-size: 11pt;
                          color: rgb(31, 73, 125);">#endpoints/mod_skinny</span></p>
                      <p class="MsoNormal"><span style="font-size: 11pt;
                          color: rgb(31, 73, 125);">&nbsp;</span></p>
                      <p class="MsoNormal"><b><span style="font-size:
                            10pt;">From:</span></b><span
                          style="font-size: 10pt;"> <a
                            moz-do-not-send="true"
                            href="mailto:freeswitch-users-bounces@lists.freeswitch.org"
                            target="_blank">freeswitch-users-bounces@lists.freeswitch.org</a>
                          [mailto:<a moz-do-not-send="true"
                            href="mailto:freeswitch-users-bounces@lists.freeswitch.org"
                            target="_blank">freeswitch-users-bounces@lists.freeswitch.org</a>]
                          <b>On Behalf Of </b>velusamy Krishnan<br>
                          <b>Sent:</b> Friday, September 03, 2010 1:58
                          AM<br>
                          <b>To:</b> FreeSWITCH Users Help<br>
                          <b>Subject:</b> Re: [Freeswitch-users]
                          mod_opal installation problem</span></p>
                      <p class="MsoNormal">&nbsp;</p>
                      <p class="MsoNormal" style="margin-bottom: 12pt;">
                        Dear All,<br>
                        &nbsp;&nbsp;&nbsp;&nbsp;&nbsp; After installing the mod_opal module, I
                        have tried to load that module in the
                        freeswitch. But I have received the following
                        error,<br>
                        <br>
                        2010-09-03 14:25:38.411969 [CRIT]
                        switch_loadable_module.c:926 Error Loading
                        module /usr/local/GIT/freeswitch/mod/mod_opal.so<br>
                        **/usr/lib/libopal.so.3.9-beta0: undefined
                        symbol:
                        _ZNK15OpalMediaStream18EnableJitterBufferEv**<br>
                        <br>
                        -ERR unloading module [No such module!]<br>
                        -ERR loading module [module load file routine
                        returned an error]<br>
                        <br>
                        Kindly, anyone help to resolve this issue.<br>
                        <br>
                        Thanks,<br>
                        Velusamy.<br>
                        <br>
                      </p>
                      <div>
                        <p class="MsoNormal">2010/9/3 velusamy Krishnan
                          &lt;<a moz-do-not-send="true"
                            href="mailto:velu.technical@gmail.com"
                            target="_blank">velu.technical@gmail.com</a>&gt;</p>
                        <p class="MsoNormal">Dear All,<br>
                          &nbsp;&nbsp;&nbsp;&nbsp; Thanks for fixing the problem..<br>
                          Regards,<br>
                          <span style="color: rgb(136, 136, 136);">Velusamy.</span></p>
                        <div>
                          <div>
                            <p class="MsoNormal" style="margin-bottom:
                              12pt;">&nbsp;</p>
                            <div>
                              <p class="MsoNormal">
                                On Thu, Sep 2, 2010 at 7:13 PM, Peter
                                Olsson &lt;<a moz-do-not-send="true"
                                  href="mailto:peter.olsson@visionutveckling.se"
                                  target="_blank">peter.olsson@visionutveckling.se</a>&gt;
                                wrote:</p>
                              <p class="MsoNormal">Thanks Jeff - I think
                                the same applies for mod_h323, if you
                                feel like making a quick fix there as
                                well...<br>
                                <br>
                                /Peter<br>
                                <br>
                                <br>
                                -----Ursprungligt meddelande-----<br>
                                Fr&aring;n: <a moz-do-not-send="true"
                                  href="mailto:freeswitch-users-bounces@lists.freeswitch.org"
                                  target="_blank">freeswitch-users-bounces@lists.freeswitch.org</a>
                                [mailto:<a moz-do-not-send="true"
                                  href="mailto:freeswitch-users-bounces@lists.freeswitch.org"
                                  target="_blank">freeswitch-users-bounces@lists.freeswitch.org</a>]
                                F&ouml;r Jeff Lenk<br>
                                Skickat: den 2 september 2010 15:28<br>
                                Till: <a moz-do-not-send="true"
                                  href="mailto:freeswitch-users@lists.freeswitch.org"
                                  target="_blank">freeswitch-users@lists.freeswitch.org</a></p>
                              <div>
                                <p class="MsoNormal"
                                  style="margin-bottom: 12pt;">&Auml;mne: Re:
                                  [Freeswitch-users] mod_opal
                                  installation problem<br>
                                  <br>
                                </p>
                              </div>
                              <div>
                                <div>
                                  <p class="MsoNormal"
                                    style="margin-bottom: 12pt;">fixed
                                    in git head 4a7425e<br>
                                    --<br>
                                    View this message in context: <a
                                      moz-do-not-send="true"
href="http://freeswitch-users.2379917.n2.nabble.com/mod-opal-installation-problem-tp5490739p5491084.html"
                                      target="_blank">http://freeswitch-users.2379917.n2.nabble.com/mod-opal-installation-problem-tp5490739p5491084.html</a><br>
                                    Sent from the freeswitch-users
                                    mailing list archive at <a
                                      moz-do-not-send="true"
                                      href="http://Nabble.com"
                                      target="_blank">Nabble.com</a>.<br>
                                    <br>
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                              <p class="MsoNormal">!DSPAM:4c7fa7db32934011425493!</p>
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                                  <p class="MsoNormal">
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                            <p class="MsoNormal">&nbsp;</p>
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                      <p class="MsoNormal">
                        &nbsp;</p>
                    </div>
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                </blockquote>
                <blockquote type="cite">
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    <br>
    <pre class="moz-signature" cols="72">-- 
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