Billion mini USB ISDN TA128
2.5 ISDN Utility Installation
The ISDN Utility includes helpful programs for the Billion mini USB ISDN TA128, such as diagnostic program, uninstallation program, and
After Windows installs the driver of your Billion mini USB ISDN TA128, the ISDN Utility may be installed automatically. If the ISDN Utility is not installed, you may install it from the installation CD.
To install the ISDN Utility, please follow the instructions listed below.
1.Insert the installation CD into the
2.Run Windows Explorer, and enter the directory of your
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