@sergey-safarov i think the issue is in `freeswitch` you can try these PRs for freeswitch in order [merged] https://freeswitch.org/stash/projects/FS/repos/freeswitch/pull-requests/1660...
https://freeswitch.org/stash/projects/FS/repos/freeswitch/pull-requests/1523... https://freeswitch.org/stash/projects/FS/repos/freeswitch/pull-requests/1524... https://freeswitch.org/stash/projects/FS/repos/freeswitch/pull-requests/1516...
let us know which (if any) of these fix your issue with freeswitch.