<html>
  <head>
    <meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
  </head>
  <body>
    <div class="moz-cite-prefix">Hi,</div>
    <div class="moz-cite-prefix"><br>
    </div>
    <div class="moz-cite-prefix">do you have a loopback from
      rtpsink.monitor to your default sink? The null sink<br>
      just discards the audio.</div>
    <div class="moz-cite-prefix">pactl load-module module-loopback
      source=rtpsink.monitor<br>
    </div>
    <div class="moz-cite-prefix"><br>
    </div>
    <div class="moz-cite-prefix">Regards</div>
    <div class="moz-cite-prefix">       Georg</div>
    <div class="moz-cite-prefix"><br>
    </div>
    <div class="moz-cite-prefix">On 06.01.23 15:07, Jerry Geis wrote:<br>
    </div>
    <blockquote type="cite"
cite="mid:CABr8-B5SyVW1dSnfQRyj12RKfYp=XsxTpcjj0=+qCrv+_fg=4g@mail.gmail.com">
      <meta http-equiv="content-type" content="text/html; charset=UTF-8">
      <div dir="ltr">Hi - Using ubuntu 20.04 LTS
        <div><br>
        </div>
        <div><br>
        </div>
        <div>I have this in my startup:</div>
        <div># Forward 11000 UDP to 9875 for pulse audio<br>
          socat UDP4-RECVFROM:11000,fork UDP4-SENDTO:localhost:9875
          &<br>
          <br>
          pacmd load-module module-null-sink sink_name=rtpsink
          format=s16be channels=1 rate=44100<br>
          pacmd load-module module-rtp-recv sink=rtpsink
          sap_address=239.168.3.10</div>
        <div><br>
        </div>
        <div>Doing netstat -g shows</div>
        <div>IPv6/IPv4 Group Memberships<br>
          Interface       RefCnt Group<br>
          --------------- ------ ---------------------<br>
          lo              1      224.0.0.251<br>
          lo              1      <a href="http://all-systems.mcast.net"
            moz-do-not-send="true">all-systems.mcast.net</a><br>
          eno1            1      239.168.3.10<br>
          eno1            1      224.0.0.251<br>
          eno1            1      <a href="http://all-systems.mcast.net"
            moz-do-not-send="true">all-systems.mcast.net</a><br>
          wlo2            1      <a href="http://all-systems.mcast.net"
            moz-do-not-send="true">all-systems.mcast.net</a><br>
          lo              1      ff02::fb<br>
          lo              1      ip6-allnodes<br>
          lo              1      ff01::1<br>
          eno1            1      ff02::fb<br>
          eno1            1      ff02::1:ff1f:6c0e<br>
          eno1            1      ip6-allnodes<br>
          eno1            1      ff01::1<br>
          wlo2            1      ip6-allnodes<br>
          wlo2            1      ff01::1<br>
        </div>
        <div><br>
        </div>
        <div>But I do not hear any audio when I multicast from asterisk.
          There is another SIP speaker that receives the multicast but
          not my PC.</div>
        <div><br>
        </div>
        <div>What am I not doing correct ?</div>
        <div>Thanks</div>
        <div><br>
        </div>
        <div>Jerry <br>
        </div>
      </div>
    </blockquote>
    <p><br>
    </p>
  </body>
</html>