SMS billing is a method through which customers gain access to protected content using mobile phones. With SMS billing, those without credit and debit cards can access online content.

Like SMS billing, worldwide billing by phone allows customers access to protected content, except that charges are made to their landline phone bill instead of a mobile phone.

Direct Debit is a method that allows users to bill directly from their bank account and is now considered the most widely used form of payment other than cash for most European countries.