IPO on Partner or Norstar mode is indeed disappointed for a key replacement . We bite the bullet and jumped over full blown IPO and did not regret at all . Still love the call pilot but VM pro is darn scary powerful and it is , dare to say ,fun to program it.
Automatic route fail over from PRI to POTS , phantom users ... Those are what we ask for years but never get in N* nor BCM .
Now if Avaya can give us vector programming ,I will dump all my Cisco tcl scripts and go 100 % vaya