Siemens I-SURF - Manual (Page 64)

11. Troubleshooting
58
ISDN Software
No ISDN
connection
possible either
incoming and
outgoing D channel
protocol
incompatible Is the D channel
protocol DSS1? Ask ISDN carrier
for D channel
protocol.
ISDN connection
to a specific
target not
possible Incompatible B
channel protocols Are the B
channel protocols
(X.75, ML/PPP)
identical on both
sides ? Ask remote ISDN
site for B channel
protocol.
Incompatible
ISDN services Are the ISDN
services (data,
speech) identical
on both sides? Ask remote ISDN
site for ISDN
service setting.
Incompatible
application
protocols Are the
applications
(EFT, TCP/IP,
Fax) identical on
both sides? Ask remote ISDN
site for
application to be
used
Interrupted data
transfers Instable USB
interface Does the ISDN
Adapter work
with another PC? Use another PC.
USB influenced
by another USB
peripheral device Does the ISDN
Adapter work
with the USB
device detached
from the USB? Remove the
other USB device
from the USB
bus.
PC Software
“No CAPI found” CAPI not
installed Does the CAPI
appear in the
network protocol
list of the
Network Control
Panel? Install CAPI, run
Setup manually
from CD root
directory