On Thu, Dec 29, 2022 at 01:01:02PM -0500, Jerry Geis wrote: > I am trying to get a computer to receive multicast with pulse audio on > 20.04 LTS. > > on the receive computer I did this > pacmd load-module module-null-sink sink_name=rtpsink > pacmd load-module module-rtp-recv sink=rtpsink sap_address=239.168.3.10 > port=11000 > > From another computer I sent multicast audio with asterisk. Other devices > received the multicast - but the receive computer did not. With asterisk I > sent on port 239.168.3.10:11000 > > Is there something else I have to do to receive multicast and play it? The rtp-recv module does not support passing port as an argument. See the docs for the only supported arguments: https://www.freedesktop.org/wiki/Software/PulseAudio/Documentation/User/Modules/#module-rtp-recv The SAP port is hard-coded as 9875. --Sean
