...message gets from your handset to the personyou are calling. The phone system...exclusive circuit between you and the personyou dial for the duration of the call...with the internet address of the personyou want to speak to. Devices called...
http://www.computerweekly.com/232001.htm
This interview with Joe Bageant comes from episode 149 of the C-Realm Podcast and was ably and kindly transcribed by Carol B. KMO: You are listening to the C-Realm podcast.
http://c-realm.blogspot.com/