Run linphone in Docker.
$ sudo docker run -it --rm dwilkie/linphone-docker
Adapted from here
$ sudo docker run -it --rm -v /dev/snd:/dev/snd --privileged dwilkie/linphone-docker
Adapted from here
$ sudo docker run -it --rm dwilkie/linphone-docker /bin/bash -c 'linphonec -a'
$ sudo docker run --rm -d --name linphone dwilkie/linphone-docker /bin/bash -c 'linphonecsh init && tail -f /dev/null'
$ sudo docker exec linphone /bin/bash -c 'linphonecsh generic answer'
$ sudo docker exec linphone /bin/bash -c 'linphonecsh generic terminate'