Mobile Purchasing is a micropayment solution operated by MPP Co. Ltd. for T-Mobile and Pannon on Cellum’s system. This system enables clients to purchase products and services debiting their post-paid and/or pre-paid accounts. Clients now are not only able to pay the motorway fee but they also can buy movie tickets, internet services and parking tickets without any previous registration. The number of merchants connected to the Mobile Payment System is constantly growing and thus the portfolio of the products that can be purchased through the system is continuously widening and becoming more and more interesting and accessible for a growing number of users.