@Paolo Please try the version of PA in the ubuntu-audio-dev PPA and report whether it resolves the issue for you when the softmodem is *running* (i.e., you'll need to reinstall sl-modem-daemon or hsfmodem).
@Paolo
Please try the version of PA in the ubuntu-audio-dev PPA and report
whether it resolves the issue for you when the softmodem is *running*
(i.e., you'll need to reinstall sl-modem-daemon or hsfmodem).