Filter all App screens by dates.
Contact's calls details.
Contact's call list.
Export lists to CSV file.
Option to Not answered Mode: additional call type "Not Answered" ("Outgoing" with Duration=0)
For more complex analysis:
Check my App "Call Log Report Generator".
Make any custom report ,filter and sort by name,number,dates,call type and duration.
System reports sums summarize by call type ,contact,month.
All reports can be export to CSV file