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Octal PCBIT-USB ISDN Adapter driver for Windows XP and 2K. Octal is the provider of all the ISDN adapters for Portugal Telecom PT but they do not provide the drivers for newer windows versions. Installation instructions can be found on the read me file.
pardal (DG Member) on 4/19/2002
pcbitusb2kxp.zip (3.3 MB)
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