Vonage Digital Phone Service Adapter VDV23-VD The Vonage Service will work with any cable of DSl modem service The adapter will support dual voice terminals and fully supports VOIP service VT1005v will work with any PC, Mac, or UNIX-based computer Offers several optional services such as: Caller ID. 3-Way calling, Call Return, Call Forwarding, Call waiting with Caller ID, and much more 24/7 Live Customer Support