The 3.2 version of isdnVigor128 Driver for Mac was provided as a free download on our website.
From the developer:
isdnVigor128 Driver is an international USB ISDN driver that comes with some international iMacs.
You may want to check out more Mac applications, such as File Driver, Mac Free USB Flash Drive Recovery or iLike Mac USB Flash Drive Data Recovery, which might be related to isdnVigor128 Driver.
Drivers
Device Assistants