Asterisk versions not compatible with MOR

1.4.16.x

Authentication by IP is broken: http://readlist.com/lists/lists.digium.com/asterisk-users/13/69038.html

1.4.19.x/1.4.20.x

Crashes when realtime SIP peer is dialing: http://lists.digium.com/pipermail/asterisk-users/2008-April/209342.html and http://bugs.digium.com/view.php?id=12362

1.4.21.x

• Locks and does not respond: http://bugs.digium.com/view.php?id=12925
  • 1.4.21.1 has fixed this problem, but next problem does not allow to use this Asterisk version
• Realtime broken: http://bugs.digium.com/view.php?id=12921

1.4.22

• Disconnect problem with IAX2: http://bugs.digium.com/view.php?id=13645
• CDR issues: http://bugs.digium.com/view.php?id=13251

1.4.23

• CANCEL does not work: http://bugs.digium.com/view.php?id=14431

Usable versions with MOR

• 1.4.18.1
• 1.4.24.1
• 1.4.25.1 with known problems:
  • https://issues.asterisk.org/view.php?id=15231
  • https://issues.asterisk.org/view.php?id=15241