Billion
Product Support
If you have any problem with the USB ISDN TA, please contact the dealer where you bought this product. If you have any other question, you can contact Billion Electric Co., Ltd. directly at the following email address: support@billion.com.tw
You can also download upgraded driver or software utilities for free from Billion’s web site at http://www.billion.com.tw/
For more detailed instructions on configuring and using the device, please refer to the
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