This is the modem. What to do with it?

[Buddy Brannan]

Yep, it's a Lucent (Eiger) modem. You'll want
ltmodem-something--safest bet is likely the 6.0 series, latest I've
seen is 6.00B14. You migh be lucky and have a V.92 capable modem, in
which case V8.00-something will work. 
-- 
Buddy Brannan, KB5ELV/3   | And if the ground yawned,
Phone: (814) 455-7333     | I'd step to the side and say,
Email: davros at ycardz.com  | "Hey ground! I'm nobody's lunch!"
                          | --Eddie From Ohio