Tzafrir Cohen wrote: > On Sat, Mar 21, 2009 at 09:39:47AM +0100, randulo wrote: > >> Hi, >> >> "The OpenBTS Project is an effort to construct an open-source Unix >> application that uses the Universal Software Radio Peripheral (USRP) >> to present a GSM air interface ("Um") to standard GSM handset and uses >> the Asterisk software PBX to connect calls. The combination of the >> ubiquitous GSM air interface with VoIP backhaul could form the basis >> of a new type of cellular network that could be deployed and operated >> at substantially lower cost than existing technologies in greenfields >> in the developing world. " >> >> Last Friday, the VoIP Users Conference had David A. Burgess as our >> guest for an hour of discussion of one of his projects, OpenBTS >> (http://openbts.sourceforge.net/) which uses asterisk as a backend for >> the GSM network. >> > > See also http://lwn.net/Articles/320163 . Patents hit them really badly. > > I'm not sure how many patents might still be in force on the original GSM design, but I think you'll find the issues surrounding this case are not patents. I think Martone are claiming the OpenBTS guys reused designs developed under an exclusive contract with Martone. That is, its about their trade secrets, and not about building a GSM system.
Steve _______________________________________________ -- Bandwidth and Colocation Provided by http://www.api-digital.com -- asterisk-users mailing list To UNSUBSCRIBE or update options visit: http://lists.digium.com/mailman/listinfo/asterisk-users