... way to detect and differentiate data over a voice call and establish a dedicated p2p gateway ....
...technology would then allow Bitcoin to be sent across a phone using voice-coded in-band data over (a)symmetric cryptographically secured p2p gateway...
PRINT EXCLUSIVE @ Bitcoin Magazine (i.e. it can't be found on the website)
"Xerox Experimenting with Bitcoin"
Feb Issue released 3/31/14
have Amazon Prime -- Arrived today...
http://www.amazon.com/Bitcoin-Magazine-Issue-19-February/dp/1629515523/