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Secure VoIP, GNU SIP Witch, and replacing Skype with free software

Aug 27, 2009, 20:17 (0 Talkback[s])

"For a number of years I have been working when possible on what is called the GNU Telephony Secure Calling initiative. The GNU Telephony Secure Calling initiative was itself originally formed specifically to make passive voice communication intercept a thing of the past using free software and public standards, and came out of ideas from and work of the New York City civil liberties community and New York Fair Use in the early part of this decade.

"While it is true that technological means for mass communication intercept has grown with incremental improvements in communication technology, the means to apply and use encryption techniques to counter these abuses and offer communication privacy on a large scale using free software have also become possible. Given the nature of this project, excellent work had been done by volunteer contributors in Europe such as Werner Dittmann who made our rapid and successful development of a ZRTP compliant stack possible, and Federico Pouzols, who rewrote and the RTP stack I had originally authored for use with GNU Bayonne. The use of non-US based contributors was specifically encouraged to avoid putting additional people in potential danger in the United States for working on cryptographic systems for worldwide public use specifically to avoid communication intercept."

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