English
A complete guide to building open-source mobile networks using the OpenBTS software suite and assorted other tools. This system allows the use of a Software Defined Radio to create a 2G (actually, 2.5G) mobile network that can handle texting, calling and very limited data. The main infrastructure for this is a VoIP suite called Asterisk, and can be integrated into desk phones and other devices to produce your own phone network. Further configuration can even allow you to call regular phones from outside the network. This particular book was found freely available on the OpenBTS website, at http://openbts.org/site/wp-content/uploads/ebook/Getting_Started_with_OpenBTS_Range_Networks.pdf
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openbts · gsm · ism · mobile networks · mobile · 2g · 3g · lte · phone · voip