{
  config,
  lib,
  pkgs,
  modulesPath,
  ...
}:

let
  asteriskDir = ./asterisk;
  asteriskFilesRaw = builtins.readDir asteriskDir;
  asteriskFileNames = builtins.attrNames asteriskFilesRaw;
  filteredFileNames = builtins.filter (n: n != "asterisk.conf") asteriskFileNames;
  asteriskFiles = builtins.listToAttrs (
    builtins.map (n: {
      name = n;
      value = builtins.readFile (asteriskDir + "/${n}");
    }) filteredFileNames
  );
in
{
  imports = [
    "${modulesPath}/services/networking/asterisk.nix"
  ];

  config = {
    system.stateVersion = "25.11";

    services.asterisk.enable = true;

    services.asterisk.extraConfig = builtins.readFile (asteriskDir + "/asterisk.conf");

    services.asterisk.confFiles = asteriskFiles;

    services.getty.autologinUser = "root";

    networking.firewall.allowedTCPPorts = [ 5060 ];
    networking.firewall.allowedUDPPorts = [
      5060
      4569
    ];
  };
}