$conn->add_global_handler(473, \&on_inviteonly);
$conn->add_global_handler(474, \&on_banned);
$conn->add_global_handler(475, \&on_badchankey);
$conn->add_global_handler(473, \&on_inviteonly);
$conn->add_global_handler(474, \&on_banned);
$conn->add_global_handler(475, \&on_badchankey);