One USB 2.0 port, without LCD Sound card built in Plug-and-play No
driver needed for Windows 98SE, ME, 2000, XP and Mac OS and Mac OS
X With physical interface device Implements real-time verification
Compatible with major PC's Internet phone application software
Provides ringer generation for PC-to-PC call through existing IP
phone applications Optional ITSP application software with credit
for PC to phone connection Echo cancellation, noise reduction, full
duplex communication Supports Stelcom, Skype, MSN, Net2phone, Stana
Phone and X-lite All brand name and trademarks are the property of
their respective owners