... and history 3) Directly call the friends in the name USB Skype Voip Phone Main feature:1. Supporting SIP, H.323, MGCP, IAX2 ... lot of protocol; 2. Supporting Skype, MSN, QQ etc many software; 3. PnP USB interface, compatible with USB 1.1 and 2.0 ... . Can use for PC to PC and PC to Phone.15. Supports Skype etc software. 16. If the Software supports, it can ...