The main changes are in IVR and DID management:
- We added more method in IVR, made it easier to manage and program for a complex IVR flow
- You can bill for DID now
Other changes include
- support php 5.4
- add shortcut, esc for close current floating window, ctrl+z to open dial panel
- you can input or
select a time in date time controller - more API
- new realtime page for agent status and team calls
- add report based DID
- you can import or export configuration of a team now
- billing for DID
- you can import DID numbers
- manually popup in campaign
- option to cancel call back when change customer status
- dial pending customers when using auto-dial
- login as account
- add reply-to in email template
- SMS vendor management
Same as before, you can get 60 days free trial with full features with 5 agents, just download from http://astercc.org/downloads for full change log, please read http://wiki.astercc.org/doku.php?id=en:change_log:astercc-2.0_changelog 
