In the UK, casino players once relied on phone bill deposits, often capped...

https://blogfreely.net/teresa-long85/how-can-i-tell-if-a-casino-supports-faster-payments-before-i-sign-up

In the UK, casino players once relied on phone bill deposits, often capped around £30 per transaction. Now, Faster Payments and mobile wallets like Apple Pay let users deposit from as little as £10 quickly and securely