US Patent 8430745 Mobile-phone-based wagering game account transactions

In some embodiments a method includes receiving, from a mobile phone, a request to transfer a first fund amount from a player account to a wagering game machine. The method can also include determining that the player account does not include the first fund amount; receiving a second fund amount from a secondary funding source, and augmenting the player account by the second fund amount, wherein the augmenting results in the player account including the first fund amount. The method can also include transferring the first fund amount from the player account to the wagering game machine; debiting the player account by the first fund amount.