I have compiled a case history of my success in getting Lucent (Agere) Win Modem to work in Linux in Acer Laptop computer. In hope that this will help (or give faith) to someone else, I explain here my procedure. The same information is available either as:
I would like to emphasize that I am not a modem specialist, but I was successful since I used the tools available on the web and followed the instructions diligently.
Still more clearly: This is a case history: not an instruction. If you do like I did, you do it at your own risk, and I take no responsibility on the consequences. I will help if I can, but probably I cannot, since I am not a linmodem specialist. This is what I did: it worked for me, but may not be adequate general information.