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Really a disadvantage that RC doesn't have the ability to create subscriptions for future dates/times. Having to manually run a call report numerous times a day to get the daily rollup instead of just being able to let it run is honestly archaic.
You can try to create your subscription.
1st step: https://support.ringcentral.com/article/10725-Generate-Call-Detail-Report.html
2nd step: https://support.ringcentral.com/article/10148.html