Release 1.2-RC3 (29 Dec 2006)
    * Editline was replaced by GNU readline
    * NConference replaces app_conference
    * generic timer rewrite
    * a lot of bug fixes, with particular reference to chan_sip
    * better support for OSX (CLI issue should be fixed)
    * initial support for ucLinux

Release 1.2-RC2
    * initial support for *BSD (NetNSD, FreeBSD 6.2 and7, OSX)
    * lot's of bug fixes

Release 1.2-RC1
    * Built-in STUN support for SIP NAT traversal
    * Full fax and T.38 fax over IP support
    * Universal jitterbuffer for use with any channel type
    * Uses POSIX timers which means there are fewer Zaptel timing dependencies
    * Has much faster and more efficient dialplan execution because it uses hashing
    * Cross-platform compatibility and is more reliable
    * Evaluates correctness and integrity of configuration data
    * Run well under a virtual machine such as Xen or VMware