On Wed, April 1, 2020 8:06 am, Iain Mott wrote: > But it seems that the daemon is bypassing Alsa > altogether and connecting to the built in card directly That audio hardware is controlled by kernel drivers, user space applications would not have access to the hardware directly (possibly if there were no other drivers for that interface loaded and you were running the software as root, which seems very, very unlikely). If you are running the telephony application as root that seems like a very bad idea from a security standpoint. Which telephony application? You were very vague, perhaps if you gave more specific details someone on the list is familiar with the software and can give relevant advice. -- Chris Caudle _______________________________________________ Linux-audio-user mailing list Linux-audio-user@xxxxxxxxxxxxxxxxxxxx https://lists.linuxaudio.org/listinfo/linux-audio-user