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    <div class="moz-cite-prefix">HI,<br>
      I did like this and now is working:<br>
      <br>
      &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &lt;action application="pre_answer"/&gt;<br>
      &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &lt;action application="playback"
      data="silence_stream://1000"/&gt;<br>
      &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &lt;action application="set"
      data="ringback=%(1000,4000,425)"/<br>
      <br>
      BR,<br>
      Miha<br>
      <br>
      Dne 9/11/2013 10:09 AM, pi&#353;e Miha:<br>
    </div>
    <blockquote cite="mid:52302533.2060304@softnet.si" type="cite">
      <meta content="text/html; charset=ISO-8859-1"
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      <div class="moz-cite-prefix">hi Avi,<br>
        <br>
        if I do <br>
        <br>
        &nbsp;&lt;action application="pre_answer"/&gt;<br>
        &lt;action application="playback"
        data="silence_stream://1000"/&gt;<br>
        <br>
        I do not get ring-back tone. Must I do something else to
        generate ringback tone?<br>
        <br>
        tnx<br>
        <br>
        br,<br>
        miha<br>
        <br>
        Dne 9/11/2013 9:43 AM, pi&#353;e Avi Marcus:<br>
      </div>
      <blockquote
cite="mid:000001410bfa09c2-15e46313-f6c5-4854-812a-f27a936e3e11-000000@email.amazonses.com"
        type="cite">
        <div dir="ltr">If you do a pre_answer, that starts up the media
          stream (even if it's just ringing... I'm pretty sure). If you
          directly answer the call after, you haven't gained any time
          for the media stream to start.
          <div style=""> If you do pre_answer, then bridge somewhere
            that rings for at least a second, then that should work.</div>
          <div style="">I often put a silence of 200-500ms before
            playback... from the wiki:</div>
          <div style=""><br>
          </div>
          <div style="">
            <p style="margin:0.4em 0px
0.5em;line-height:19.1875px;color:rgb(0,0,0);font-family:sans-serif;font-size:13px">Play

              1000 ms of silence (1 second)</p>
            <pre style="font-family:monospace,Courier;padding:1em;border:1px dashed rgb(47,111,171);color:rgb(0,0,0);background-color:rgb(249,249,249);line-height:1.3em;font-size:13px">&lt;action application="playback" data="silence_stream://1000"/&gt;
</pre>
            <p style="margin:0.4em 0px
0.5em;line-height:19.1875px;color:rgb(0,0,0);font-family:sans-serif;font-size:13px">Play

              2000 ms of comfort noise</p>
            <pre style="font-family:monospace,Courier;padding:1em;border:1px dashed rgb(47,111,171);color:rgb(0,0,0);background-color:rgb(249,249,249);line-height:1.3em;font-size:13px">&lt;action application="playback" data="silence_stream://2000,1400"/&gt;</pre>
          </div>
          <div class="gmail_extra"><br clear="all">
            <div>
              <div dir="ltr"><span
                  style="font-family:Verdana,Arial,Helvetica,sans-serif;font-size:small">-Avi<br>
                </span></div>
            </div>
            <br>
            <br>
            <div class="gmail_quote">On Wed, Sep 11, 2013 at 10:36 AM,
              Miha <span dir="ltr">&lt;<a moz-do-not-send="true"
                  href="mailto:miha@softnet.si" target="_blank">miha@softnet.si</a>&gt;</span>
              wrote:<br>
              <blockquote class="gmail_quote" style="margin:0 0 0
                .8ex;border-left:1px #ccc solid;padding-left:1ex">
                <div text="#000000" bgcolor="#FFFFFF">
                  <div>Avi tnx!<br>
                    <br>
                    So I just do <br>
                    <pre>&lt;action application="pre_answer"/&gt;

before bridge?

BR,
Miha

</pre>
                    Dne 9/11/2013 9:23 AM, pi&#353;e Avi Marcus:<br>
                  </div>
                  <div>
                    <div class="h5">
                      <blockquote type="cite">
                        <div dir="ltr">Over SIP sometimes the media path
                          takes a second to fully establish.
                          <div>If you pre-answer or insert silence at
                            the start of the call before your real audio
                            then it will sound OK.</div>
                          <div><br>
                          </div>
                          <div>As far as I know, this is something that
                            happens...<br>
                            <div class="gmail_extra"><br clear="all">
                              <div>
                                <div dir="ltr"><span
                                    style="font-family:Verdana,Arial,Helvetica,sans-serif;font-size:small">-Avi</span></div>
                              </div>
                              <br>
                              <div class="gmail_quote">On Wed, Sep 11,
                                2013 at 10:01 AM, Miha <span dir="ltr">&lt;<a
                                    moz-do-not-send="true"
                                    href="mailto:miha@softnet.si"
                                    target="_blank">miha@softnet.si</a>&gt;</span>
                                wrote:<br>
                                <blockquote class="gmail_quote"
                                  style="margin:0 0 0
                                  .8ex;border-left:1px #ccc
                                  solid;padding-left:1ex">Hi,<br>
                                  <br>
                                  I am experiancing wird behaviour.
                                  Sometime happens that media is missing<br>
                                  for first few second and that
                                  everything is ok.<br>
                                  <br>
                                  Can I prevent this in any way?<br>
                                  <br>
                                  tnx!<br>
                                  <br>
                                  miha<br>
                                  <br>
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