In a time when network connectivity via cell phone is becoming ubiquitous, I see the benefits of having a completely free cell phone. It is important to realize that a free cell phone doesn't free you from the grasp of wireless carriers (pun intended). You are still at the mercy of "Big TeleCom." A project like OpenBTS is working to resolve that issue though.

I have been working on making an Arduino based cell phone for a few months now. The device I have made is ugly looking (and about the size of an original Nintendo Gameboy) but is completely free (both hardware and software) and can place/receive phone calls and SMS messages. I am now in the process of re-working my singleton code base into a few disjoint libraries for ease-of-use in other projects. The code is hosted on Github at https://github.com/ZachWick/ArduPhone and is/will be dual-licensed under the MIT and GPLv3 licenses.

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