Altigen Call Detail Reporting Manual page 21

Logging In
(For example, when you search for Connected Calls, the time range
as "Today," and sorting by N/A, CDR will retrieve the total number
of connected calls for "today."
Note:
If the time range for the search is less than 1 day, and Date/Time is
selected for Sort by, CDR will list records hourly. If time range for
the search is longer than 1 day, and Date/Time is selected for Sort
by, CDR will list records daily.
6. Click Search. During the search, a progress window appears. To
cancel the search, click Cancel.
Search results appear in the Summary window. Refer to "Search
Results" on page 15 for details on working with search results.
12 CDR Manual