Under the IP telephony termination card support, the computer can be connected to common telephones, replacing the earphones and microphones, thus users can make PC-PC's calls in traditional way.

在IP电话终端卡的支持下，计算机可连接普通电话，取代耳机和麦克风，实现了用户以传统方式进行PC - PC通话。

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As a test, I downloaded files from HDtracks.com, an online retailer specializing in hi-res audio, plugged a device known as a digital-to-analog converter (DAC) into my computer and listened over earphones.

WSJ: Sonic Truth