The Asterisk.org development team has released Asterisk version 1.2.30.4. This release is available for immediate download from http://downloads.digium.com/. This update for Asterisk includes a security fix for chan_iax2. Please see the associated security advisory for more details: http://downloads.digium.com/pub/security/AST-2008-012.pdf . This security issue affects only the 1.2 series. Thank you for your continued support of Asterisk!