Ok i will check the flags, I set the domain parameter of rtpproxy_offer to PUBLIC_IP, i create the rules in my router to bind the ports 35000 to 35200 of the public_ip to the ports 35000 to 35200 in the PRIVATE_IP of rtpproxy 192.168.1.220, I&#39;m not sure if this is correct.<br>
<br>If i don&#39;t put the domain parameter in the rtpproxy_offer the SDP message contains the private ip of the RTPPROXY (192.168.1.220) and my clients are outside this nat.<br><br>Thanks<br><div class="gmail_extra"><br>
<br><div class="gmail_quote">2012/11/14 Răzvan Crainea <span dir="ltr">&lt;<a href="mailto:razvan@opensips.org" target="_blank">razvan@opensips.org</a>&gt;</span><br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">

  
    
  
  <div bgcolor="#FFFFFF" text="#000000">
    <div><tt>Hi, Ignacio!<br>
        <br>
        The ports you have listed in the SDP snippet belong to a single
        rtp stream - Callee-RTPProxy-Caller. You should also check the
        ports in the 200OK.<br>
        The &quot;nortpproxy_str&quot; parameter you are specifying is used by
        RTPProxy to determine if the SDP has to be changed, or somebody
        else already changed in the path.<br>
        I noticed that you call rtpproxy_offer() function with two
        parameters:<br>
        1. &quot;ro&quot; - if the SDP has a private IP, you shouldn&#39;t use the &quot;r&quot;
        flag. This flag is used to specify that RTPProxy should accept
        packages only from that IP, whereas in your case he will receive
        the packets from a public IP.<br>
        2. &quot;domain&quot; - you shouldn&#39;t use this parameter unless you really
        know what you are doing. This overwrites the domain specified by
        RTPProxy, which is not always such a good idea.<br>
        <br>
        I hope these remarks will help you fix your problem.<br>
        <br>
        Regards,<br>
      </tt>
      <pre cols="72">Razvan Crainea
OpenSIPS Core Developer
<a href="http://www.opensips-solutions.com" target="_blank">http://www.opensips-solutions.com</a>
</pre><div><div class="h5">
      On 11/14/2012 01:11 AM, Ignacio Gonzalez wrote:<br>
    </div></div></div><div><div class="h5">
    <blockquote type="cite">I change the attribute using adding this to the
      opensips configuration file<br>
      <br>
      <pre>modparam(&quot;rtpproxy&quot;, &quot;nortpproxy_str&quot;, &quot;a=sdpmangled:yes\r\n&quot;)</pre>
      <br>
      <br>
      a=nortpproxy:yes<br>
      <br>
      <br>
      But there is no audio, i check the traffic using wireshark and i
      see that a lot of packets are sent to another port not the one
      that i send in the first message, example:<br>
      <br>
      First SDP<br>
      <br>
      v=0<br>
      o=- 465641 0 IN IP4 10.168.123.201<br>
      s=-<br>
      c=IN IP4 10.168.123.201<br>
      t=0 0<br>
      m=audio 11670 RTP/AVP 0<br>
      a=rtpmap:0 PCMU/8000<br>
      a=sendrecv<br>
      <br>
      <br>
      <br>
      Changed by opensips and rtpproxy to look like<br>
      <br>
      <br>
      v=0<br>
      o=- 465641 0 IN IP4 IP_PUBLIC<br>
      s=-<br>
      c=IN IP4 IP_PUBLIC<br>
      t=0 0<br>
      m=audio 35000 RTP/AVP 0<br>
      a=rtpmap:0 PCMU/8000<br>
      a=sendrecv<br>
      <br>
      <br>
      And packets are being recived on the udp:<a href="http://10.168.123.201:45708" target="_blank">10.168.123.201:45708</a><br>
      <br>
      <br>
      Thanks for your help<br>
      <br>
      <div class="gmail_extra"><br>
        <br>
        <div class="gmail_quote">2012/11/13 Ignacio Gonzalez <span dir="ltr">&lt;<a href="mailto:mylaneza@gmail.com" target="_blank">mylaneza@gmail.com</a>&gt;</span><br>
          <blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
            Hello, I change the command line to run rtpproxy and change
            my configuration file:<br>
            <br>
            ./rtpproxy -l <a href="http://timewarnercable.dyndns.org" target="_blank">timewarnercable.dyndns.org</a>
            -s udp:<a href="http://192.168.1.220:12333" target="_blank">192.168.1.220:12333</a>
            -n tcp:<a href="http://192.168.1.220:12333" target="_blank">192.168.1.220:12333</a>
            -u syrium -m 35000 -M 35200<br>
            <br>
            rtpproxy_offer(&quot;ro&quot; , &quot;<a href="http://timewarnercable.dyndns.org" target="_blank">timewarnercable.dyndns.org</a>&quot;);<br>
            <br>
            And now the SDP message looks like this:<br>
            <br>
            v=0<br>
            o=- 0 0 IN IP4 PUBLICIP<br>
            s=-<br>
            c=IN IP4 PUBLICIP<br>
            t=0 0<br>
            m=audio 35134 RTP/AVP 0<br>
            a=rtpmap:0 PCMU/8000<br>
            a=sendrecv<br>
            a=nortpproxy:yes<br>
            <br>
            But there is no audio, and I don&#39;t know what is the meaning
            of the a=nortpproxy:yes<br>
            <br>
            <br>
            Thanks for your help.
            <div>
              <div><br>
                <br>
                <br>
                <div class="gmail_extra"><br>
                  <br>
                  <div class="gmail_quote">2012/11/12 Ignacio Gonzalez <span dir="ltr">&lt;<a href="mailto:mylaneza@gmail.com" target="_blank">mylaneza@gmail.com</a>&gt;</span><br>
                    <blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
                      I use the same port but tcp because in the post
                      the answer is that. I Attach the debug file
                      <div>
                        <div><br>
                          <br>
                          <br>
                          <div class="gmail_extra"><br>
                            <br>
                            <div class="gmail_quote">2012/11/12 spady <span dir="ltr">&lt;<a href="mailto:spady77@gmail.com" target="_blank">spady77@gmail.com</a>&gt;</span><br>
                              <blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">Please,
                                post entire opensips log ( set debug to
                                6 ).<br>
                                <br>
                                Why are you using same port for sock and
                                notify_sock ??? Have you tried with<br>
                                different ports?<br>
                                <br>
                                Bye<br>
                                <br>
                                <br>
                                <br>
                                --<br>
                                View this message in context: <a href="http://opensips-open-sip-server.1449251.n2.nabble.com/RTPProxy-Problem-tp7582930p7582974.html" target="_blank">http://opensips-open-sip-server.1449251.n2.nabble.com/RTPProxy-Problem-tp7582930p7582974.html</a><br>

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