Well, it seems that XPee doesn't handle very well the modems stuff. I've had another exciting XPerience about this.
First; I'll confess that since I work as a developer for NT/2000 applications, I have XP on my laptop (here in Cuba there ain't many non-M$ developers :-( ; at least that I know, so dub me whatever U like)
Anyway, here goes my history.
I've used my modem to send faxes and some other things. The matter is that XP detects my modem and install HIS drivers. From this point on, the modem sucks. I have to install the W2k drivers(after convince XP of I'm older than 21 and I assume the consecuencies of installing these drivers, and all that stuff) wich actually work pretty well.
In a decent OS, this should keep that way forever.
Off course, I have XP, and some day I found that my modem doesn't work. Why? Because the "smart" XP has changed the ol drivers with HIS drivers. And the story starts again.