problima me to kppp

[SmokE^]

geia sas!
exw ena problhma, den mporw na syndethw sto internet.
exw to netmod (ISDN) pou dinei o ote me kathe syndesh.
exw setarei to modem sthn ttyS0 kai exw kanei to link
apo to /dev/modem sto /dev/ttyS0
exw thn redhat7.0(guiness) me ton 2.4.4 phryna.
exw balei to initialization kai to dal string.
Otan trexw to kppp leei pppd daemon died unexpectadly, me log
could not attach tty to ppp (h kati tetoio) kai
kati gia to tcsetattr.
exw energopoihsei to ppp ston phryna.
please peste mou ti na kanw.
intelliboy21 at hotmail.com
thanx!
dimitris