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    <div class="moz-cite-prefix">Looks like you're using both rtpengine
      and some other SDP-modifying module together, such as nathelper or
      rtpproxy, without calling msg_apply_changes() in between.</div>
    <div class="moz-cite-prefix"><br>
    </div>
    <div class="moz-cite-prefix">Cheers<br>
    </div>
    <div class="moz-cite-prefix"><br>
    </div>
    <div class="moz-cite-prefix">On 25/06/2020 16.46, Andrew Chen wrote:<br>
    </div>
    <blockquote type="cite"
cite="mid:CAEytwJ17c4R8FuipOTxNmygxFRXz_nyHP0iv5dKC0ecs9N5LwA@mail.gmail.com">
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      <div dir="ltr">Hi forum,
        <div><br>
        </div>
        <div>I'm starting my rtpengine project and I'm facing a strange
          problem with rtpengine.  I am seeing this in the SDP part of
          the INVITE:</div>
        <div><br>
        </div>
        <div>
          <p class="gmail-p1"
style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-stretch:normal;font-size:11px;line-height:normal;font-family:Menlo;color:rgb(178,178,178);background-color:rgb(0,0,0)"><span
              class="gmail-s1"
              style="font-variant-ligatures:no-common-ligatures">a=rtcp:52021</span></p>
          <p class="gmail-p1"
style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-stretch:normal;font-size:11px;line-height:normal;font-family:Menlo;color:rgb(178,178,178);background-color:rgb(0,0,0)"><span
              class="gmail-s1"
              style="font-variant-ligatures:no-common-ligatures">a=rtcp-mux</span></p>
          <p class="gmail-p2"
style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-stretch:normal;font-size:11px;line-height:normal;font-family:Menlo;color:rgb(20,153,2);background-color:rgb(0,0,0)"><span
              class="gmail-s1"
              style="font-variant-ligatures:no-common-ligatures">2001:470:7:3A7:0:0:0:2</span></p>
          <p class="gmail-p1"
style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-stretch:normal;font-size:11px;line-height:normal;font-family:Menlo;color:rgb(178,178,178);background-color:rgb(0,0,0)"><span
              class="gmail-s1"
              style="font-variant-ligatures:no-common-ligatures">a=direction:active</span></p>
          <p class="gmail-p1"
style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-stretch:normal;font-size:11px;line-height:normal;font-family:Menlo;color:rgb(178,178,178);background-color:rgb(0,0,0)"><span
              class="gmail-s1"
              style="font-variant-ligatures:no-common-ligatures">a=oldmediaip:54.153.25.234</span></p>
        </div>
        <div><br>
        </div>
        <div>As you can see there is a random insert of the local
          kamailio IP in there and I'm have tried the following to
          remove it but failed to succeed:</div>
        <div><br>
        </div>
        <div>- Remove in the offer the combination of ICE and
          replace-session-connection flags</div>
        <div>- Switched between rtpengine_offer and rtpengine_manage</div>
        <div>- Restarted ngcp-rtpengine-daemon process</div>
        <div>- Used sdpops function sdp_remove_line_by_preifx()</div>
        <div><br>
        </div>
        <div>Currently running Kamailio 5.1.2.</div>
        <div><br>
        </div>
        <div>I am running out of ideas.</div>
        <div><br>
        </div>
        <div>Any suggestions would be greatly appreciated.</div>
        <div><br>
        </div>
        <div>-- <br>
          <div dir="ltr" data-smartmail="gmail_signature">
            <div dir="ltr">
              <div dir="ltr">
                <div dir="ltr" style="font-size:12.8px">Andy Chen</div>
                <div dir="ltr" style="font-size:12.8px">
                  <div>Sr. Telephony Lead Engineer</div>
                  <div><a href="mailto:achen@thinkingphones.com"
                      target="_blank" moz-do-not-send="true">achen@</a><a
                      href="http://fuze.com" target="_blank"
                      moz-do-not-send="true">fuze.com</a><br>
                  </div>
                  <div><br>
                    <br>
                  </div>
                </div>
              </div>
            </div>
          </div>
        </div>
      </div>
      <br>
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        notify the sender and permanently delete the e-mail and any</span><br
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        immediately. You should not retain, copy or use this e-mail or</span><br
style="color:rgb(51,51,51);font-family:Arial,sans-serif;font-size:14px;background-color:rgb(255,255,255)">
      <span
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        attachment for any purpose, nor disclose all or any part of the</span><br
style="color:rgb(51,51,51);font-family:Arial,sans-serif;font-size:14px;background-color:rgb(255,255,255)">
      <span
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        to any other person. Thank you.*</span>
      <br>
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      <pre class="moz-quote-pre" wrap="">_______________________________________________
Kamailio (SER) - Users Mailing List
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</pre>
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