1. 2007-04-25 [2] [Asterisk-Security] About SRTP Support in Asterisk asterisk- steve szmidt 2. 2007-04-25 [1] [Asterisk-Security] IAX2 Encryption asterisk- Michael Bille 3. 2007-04-24 [1] [Asterisk-Security] Asterisk Project Security Adivsor asterisk- Kevin P. Flem