Archive for the 'gsm' Category

Asterisk Background performance test – KolmiSoft Wiki

Wednesday, March 9th, 2011

performance tests for asterisk on 4 Intel Cores @ 2GHz, 2 GB RAM, over sip, recorded media playback — results: saturates 100mb network at ~1000 simultaneous calls, one way GSM playback.

Harald Welte’s blog — Paper: Anatomy of contemporary GSM cellphones

Wednesday, April 14th, 2010

An excellent [attempt of ] description of the GSM cell phones hardware, design, architecture and implementation

The Open BTS Project — Open Source GSM Stack + Software radio + Asterisk = ur own a gsm cell

Friday, September 5th, 2008

basically how to build your own gsm cell or private cellullar network on a budget. Very interesting project, requires radio engeening knowlegde and familiarity with telecom and gsm stuff. Also see for links about fi…