After first experimenting with VoIP in 2004, Michael Iedema worked on IMS proof-of-concept projects until 2007, when he founded the AskoziaPBX project, an easy-to-use telephony system now deployed in countries around the world. After moving on in 2011 to do VoIP related research and development for Ubiquiti Networks, Michael is currently a Senior Engineer at Range Networks, the creators of OpenBTS.
The book Getting Started with OpenBTS is currently available for free download courtesy of Range Networks. Here is O’Reilly’s description blurb:
“Deploy your own private mobile network with OpenBTS, the open source software project that converts between the GSM and UMTS wireless radio interface and open IP protocols. With this hands-on, step-by-step guide, you’ll learn how to use OpenBTS to construct simple, flexible, and inexpensive mobile networks with software.”