Does compaq nx6310 have in built modem? - HP Compaq nx6310 Notebook

Hi!
Yes, it actually has a built-in modem, here is the specifications:
Max Transfer Rate 56 Kbps
Modem Fax / modem - MDC
Protocols & Specifications ITU V.21, Bell 212A, ITU V.22, ITU V.22bis, ITU V.29, ITU V.32, ITU V.32bis, ITU V.34, ITU V.17, ITU V.23, ITU V.27ter, ITU V.8bis, Bell 103J, ITU V.92, ITU T.30, ITU T.4, ITU V.250, ITU V.251, ITU V.80
Fax Compatibility G3
You can also check all hardware details about that laptop at: http://www.laptopdrivers.net/specs/hp_compaq_nx6310_laptop.htm
Hope this helps.