For those interested in opportunistic encryption I wrote up a howto based on the SRTP branch of Asterisk.
At the time of writing this isn't merged with the Trunk and I've no idea how long that may take, but it does offer a step in the right direction of encrypting the RTP contents. http://www.e164.org/wiki/AsteriskSRTP -- Best regards, Duane http://www.cacert.org - Free Security Certificates http://www.nodedb.com - Think globally, network locally http://www.sydneywireless.com - Telecommunications Freedom http://e164.org - Because e164.arpa is a tax on VoIP "In the long run the pessimist may be proved right, but the optimist has a better time on the trip."
