What must an Administrator configure in order to allow a user to take advantage of CIC Unified Messaging features?

What port should be configured for managed IP phone registration when using DHCP option 160?

What component within the Interaction Client or Interaction Desktop allows you to manage any selected interaction?

You just took a new position at your company. Your boss has asked your advice on the best way to update the firmware on 324 non-managed Polycom IP phones, noting that he thinks that this process should be more efficient in the future.
What is the correct response?

You are coaching a new IC System Administrator regarding the IC functions and ways to ensure that the system is performing optimally. The new administrator asks if the system has a way to automatically notify someone if any system metrics dip below a certain threshold, reach a certain threshold, or rise above a certain threshold.
What CIC utility can be configured to send these automatic notifications?