A Telephone System for the Next Three Billion
David A. Burgess, Engineering Consultant, Kestrel Signal Processing
Date: Tuesday, April 20
Time: 5:15 - 5:30 PM
Location: Salon E
OpenBTS (openbts.sf.net) simplifies cellular deployment by replacing the conventional GSM equipment hierarchy with a flat VoIP network. Unlike mobile softphone systems, OpenBTS runs speech and SMS over a standard 2G air interface, performing GSM-SIP bridging in the access point, allowing even the simplest of handsets to be used as SIP endpoints. The result is a wide-area mobile VoIP system that costs only a fraction of either conventional cellular or 3G/WiFi wireless VoIP.
In 2008 and 2009, the OpenBTS team tested this approach with experimental networks at the annual Burning Man event in Nevada, interacting with thousands of handsets in an uncontrolled environment. In 2010, OpenBTS is taking new steps, entering its first pilot deployments with real-world telecom providers and industrial customers. In this talk, OpenBTS project founder David Burgess will describe how OpenBTS is being used to provide cellular service in places where conventional cellular rollout would be unthinkable and how OpenBTS hopes to change the politics of spectrum regulation by changing the economics of cellular build-out.
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