... -phone operation, Complies with H.323, MGCP and SIP protocol wireless skype phone1.Dot-matrix graphic LCD and backlight 2.Dial ... 7.Echo cancellation and noise reduction functions 8.Application support: Skype, Netmeeting /Messenger, Sjphone, Mediaring, Net2phone, Dialpad, Etalk, 9.X- ... Vonage, Firefly and Eyebeam 10.Full-duplex communication 11.Supports Skype speed-dialing function wireless skype phone