Call Backup & Restore is a simple App to backup and restore your Call Logs (History).
- Automatic Scheduled Backups.
- View Backup Contents from within the App.
- Backups created in XML Format on the SD Card.
- Option to specify the Backup folder.
- Internet permission for Ads.
Android only keeps history of 500 calls, so something like this is a must if you want to keep your call history. The app supports ads and is available on Google Play Store.