PC-to-PC and PC-to-phone operation;
Driver built-in, plug and play;
USB1.1 compatible;
No need sound card;
No external power required;
Complies with H.323, MGCP, SIP protocol;
Echo cancellation, noise reduction;
Application support: Skype, Netmeeting /Messenger, Sjphone, Mediaring, Net2phone, Dialpad, Etalk, X-PRO, X-PRO Vonage, Firefly, Eyebeam and so on;
Full duplex communication;
Support Skype speed-dialing function;
Key-in tone function.