OpenBTS is an open source application that melds together a Unix Universal Software Radio Peripheral (USRP) and Asterisk to create an extremely low cost GSM cellular network.
Website: openbts.sourceforge.net
OpenBTS is running a pilot network in Niue and has offered free phone service at Burning Man events.
There was a presentation on OpenBTS at Astricon 2009
News
- Build Your Own Cellular Network MIT Technology Review May/June 2010