Carrier billing lets you buy apps, games, or digital content and charge the...

https://felixyxmg408.yousher.com/can-i-use-carrier-billing-for-parking-and-transit-in-one-month

Carrier billing lets you buy apps, games, or digital content and charge the cost directly to your phone bill. If you’re on a monthly plan, the purchase appears on your next bill. For pay-as-you-go users, the amount is taken from your available credit