Cloud Call Log Backup & Restore is the best backup and restore application for your call log.
You can use offline mode if you do not tick at "Auto sync to Google Drive" or don't have internet.
Cloud Call Log Backup & Restore has useful feature daily auto backup at the your time you want (tick at "Auto backup" if you want to use it)
Stored Call Log list always shows newest Call Log in the top in "Restore Call Log" screen.
* Note: Also, go to https://drive.google.com then click to "calllogsstorage" folder, now you can see all your Call Log Backup files.
If you have any questions or comments, please send it to firstname.lastname@example.org.