{ config, lib, pkgs, ... }: with lib; let cfg = config.programs.calls; in { options = { programs.calls = { enable = mkEnableOption '' Whether to enable GNOME calls: a phone dialer and call handler. ''; }; }; config = mkIf cfg.enable { environment.systemPackages = [ pkgs.calls ]; services.dbus.packages = [ pkgs.callaudiod ]; }; }