{
    my $isdn = db_get_prop($confref, 'isdn', 'status') || "disabled";
    my $sync = db_get_prop($confref, 'isdn', 'UseSyncPPP') || "yes";
    $OUT .= ($isdn eq "enabled" && $sync eq "yes") ?
		"mode dev" : "mode ppp";
}
modem
lock
crtscts
dynamic
defaultroute
