... 323, MGCP, IAX2, and net2phone protocol 2, Supports Skype, MSN and QQ software 3, USB2.0 port ... Device) feature7, Plug and play to install USB driver8, No driver needed for Win98 SE/Win ... real-time" verification11, Compatible with PC's Internet phone application software12, Provides ringer generation for PC to PC ... 18, LED indication 19, Powered via the USB port with no need for a power adapterPacking: ...