The new D-Link VTA allows Vonage users to connect two Vonage VoIP lines through one broadband connection. Plug this adapter into your current router, then plug in your standard house phone (RJ-11) into one of the two phone ports. This allows you to use regular landline or even cordless landline phones with Vonage.
At $49.99, this is a cheap way to hook up two lines of VoIP to one device. Beats a stick in the eye.