Features 1).Make and answer Skype/Skypeout call easily and quickly To dial in/out Skype call, with touch tone, dial tone, ring tone, volume control for receiver and microphone 2).Unique voice message function free charge, without any 3rd party software support. A User can search and replay voice messages saved on a PC at any time. 3).Unique voice recording function (two-way/Conference call), without any 3rd party software support. A User can search and replay voice messages saved on a PC at any time. 4).All functions can easily be used with UP 100B keypad, just like using a common phone. 5).With PC build-in sound card, no need to add any new sound card.