Asterisk

More integration (xmpp, etc), we can get some ideas from druid or freepbx.

Users able to manage voicemail from usercorner, like astmail.

Monitoring dashboard widget.

Calling path

If the call is unanswered from one number, go to the next number.

eBox to eBox voice calls

Ideas suggested from this forum thread  http://forum.ebox-platform.com/index.php?topic=2187.msg10698