We need to have the time shown on each recording, which pops up during the search, it must be shown as e.g. 0.37 min if the recording lasted 22 seconds.
In the bottom it must also show the total amount of minutes, where each call is rounded up, so that if it lasts 1.01 min, then the call must count as 2 minutes, e.g.
call 1 - 1.01 min
call 2 - 0.22 min
call 3 - 2.46 min
Total 6 minutes