Pay-by-phone lets you buy things online and charge the cost directly to your...

https://legacystance.com/frictionless-payments-the-rise-of-pay-by-phone-transactions-in-digital-commerce/

Pay-by-phone lets you buy things online and charge the cost directly to your monthly phone bill or prepaid credit. It’s a simple way to pay without entering card details, making checkout faster and easier on your phone