I am using this with Windows 10 Fax and Scan to send faxes over regular phone lines. You simply connect to a USB port and a phone line. I thought there was a problem with USB 3.0, but it turned out to be related to the USB interface on my ASUS motherboard (P9X79 Pro). It works great with USB add-on cards on the same PC and built-in USB interfaces on other ASUS motherboards (like the ROG Zenith Extreme). Technical support was very responsive.
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