Pay-by-phone lets you buy online and have the cost added right to your monthly...

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

Pay-by-phone lets you buy online and have the cost added right to your monthly phone bill or deducted from your prepaid credit. It’s a simple way to pay without needing a credit card or bank details