UK players used to rely on phone bill deposits, often capped at around £30 per...

https://reliabless.com/how-do-i-keep-casino-deposits-off-my-main-bank-statement/

UK players used to rely on phone bill deposits, often capped at around £30 per transaction. Now, Faster Payments and modern mobile methods let users deposit as little as £10 and see cash hit their accounts in seconds