Pay-by-phone lets you buy digital goods by charging purchases directly to your...

https://harpersnewinsight.brightsora.com/posts/do-pay-by-phone-transactions-work-without-mobile-signal

Pay-by-phone lets you buy digital goods by charging purchases directly to your phone bill or prepaid credit. It’s a simple way to pay without needing a credit card, making checkout faster and easier—especially on mobile