A. You can choose the rings that you prefer in. Built in hold on function.
B. Can display the friend contact list, dialed calls, incoming calls, missed calls, send voice mail, skype out balance checking.
C. Skype WDT-1 phone control panel not only for the dialing phone and receiving call functions, but also you can setup the audio effect play. Quick buttons setting, audio message setting,function key-press setting,rings setting and language

1 x VOIP USB Phone 1 x Driver CD 1 x USER MANUL 1 x USB cable