sell usb gateway:usb-201

1.Support Skype VoIP call with common telephone set;2.Support Skype speed-dialing function;3.Plug-and-play installation;4.Use a single device to make/receive both; Skype and PSTN calls simultaneously 5.PC-to-PC, PC-to-PSTN, PSTN-to-PSTN calls are possible;6.The telephone will ring when receive a call from USB line and PSTN line;7.Incoming call prompt when USB line or PSTN line is even in talk;8.PSTN or Skype call mode selectable using phone key;9. Auto-detection and auto-switch to PSTN or Skype calls; 10.PSTN phone calls continue to operate even if PC or PUPA is powered down;11Support DECT, 2.4G, 900M and other cordless telephone, support exchange;12. Best quality with full-duplex and echo-free.