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

https://daltonyifs523.almoheet-travel.com/can-i-use-carrier-billing-for-parking-and-transit-in-one-month

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