cli: `call` command: This command has 2 subcommands: `make` and `receive` to make a new call or wait for one. When call is in progress, a window will be created to show incoming stream and local feedback, and a text UI is available to (un)mute audio or video, and hang up. rel 426

You'll find install instructions in documentation (see doc/installation.rst).

If you need help, come the Libervia official XMPP room: xmpp:libervia@chat.jabberfr.org?join or join us with a web browser via https://chat.jabberfr.org/converse.js/libervia@chat.jabberfr.org