ps, Gaia, Did you check http://linmodems.org and http://tuxmobil.org/pcmcia_linux.html ?
Why do you need a cua-module ?
> Starting with Linux kernel 2.2, a warning message is put in the kernel log
> when one uses cua. This is an omen that cua is defunct and should be
> avoided if possible.
(Modem-HOWTO.html#ss4.3)
--
micha.
