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    <tt>Hi,<br>
      <br>
      Just keep in mind OpenSIPS is taking care of SIP signaling only,
      it is not doing anything media/RTP related. Still you can alter
      the SDP (codecs, order, rtc), but not the RTP itself. For that, as
      Peter mentioned, you need separate tool.<br>
      <br>
      Regards,<br>
    </tt>
    <pre class="moz-signature" cols="72">Bogdan-Andrei Iancu
OpenSIPS Founder and Developer
<a class="moz-txt-link-freetext" href="http://www.opensips-solutions.com">http://www.opensips-solutions.com</a></pre>
    <div class="moz-cite-prefix">On 28.06.2015 13:32, H Yavari wrote:<br>
    </div>
    <blockquote
      cite="mid:196496591.1647407.1435487573302.JavaMail.yahoo@mail.yahoo.com"
      type="cite">
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        <div id="yui_3_16_0_1_1435465926620_10546">Hi,</div>
        <div id="yui_3_16_0_1_1435465926620_10548"><br>
        </div>
        <div dir="ltr" id="yui_3_16_0_1_1435465926620_10550">It is
          possible to change the protocol header of RTP before sending
          and change it after receiving? It is possible to compress RTP
          packets with OpenSIPS?</div>
        <div id="yui_3_16_0_1_1435465926620_10663" dir="ltr">Any one can
          give me some point about this solutions?</div>
        <div id="yui_3_16_0_1_1435465926620_10646" dir="ltr"><br>
        </div>
        <div id="yui_3_16_0_1_1435465926620_10665" dir="ltr">Regards,</div>
        <div id="yui_3_16_0_1_1435465926620_10667" dir="ltr">H.Yavari<br>
        </div>
        <div id="yui_3_16_0_1_1435465926620_10552"><br>
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      <pre wrap="">_______________________________________________
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</pre>
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