The Bookmark feature allows you to record the parts of the call that you want to review (after the call is over).
How to create a Bookmark
How to edit and share a bookmark
If you register a bookmark during a call, or if you specify the start time in a comment (ex: 02:11), this start time will become a link. Clicking on this link will display your MiiTel Analytics Call History with a slider indicating where to start playback.