IBM Integrated Bluetooth IV with 56K Modem (BMDC-3)
IBM FRU PN: 39T0022
Also known (in IBM literature) as....
Linux Bluetooth driver
The Bluetooth device is implemented using USB and can be enabled or disabled with thekey combination
Linux Modem driver
Although, the Smartlink driver for Agere modems is able to communicate with the modem via AT commands, it cannot dial out (contradicting reports welcome!).
If your favourite distribution does not include a hsfmodem driver (search for "hsfmodem" or "Conexant"), you can try the one from Linuxant: http://www.linuxant.com/drivers (14k free as in beer, 56k+Fax license 15$, they explain this policy under: http://www.linuxant.com/store/faq.php )