Call log Backup/Restore system app

I see /e/OS 1.6s has a system app called “Call Log Backup/Restore”, but I cannot find either the app or the call log backup function anywhere in the system.

Does anybody know where this function is or how to leverage it? (I don’t want to install another app, just to backup call logs, if the system already has this functionality).

Please note I’m not talking about backing up contacts or SMS logs (as I have found how to do this), but the actual calls log.

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