What is special about VOIP is that it's just another thing you can do on the Internet, whereas it is the only thing - or nearly the only thing with the exception of the dial-up modem and fax - that you can do on the public switched telephone network.
Vinton CerfNow, more than ever, the Internet must be wielded along with other media to cast bright lights on all who would destroy freedom in the world.
Vinton Cerf