It's an online calling card business. The whole concept of this website is that once the user purchase the calling card the pin is display and even email the pin back to customers.
Some key aspect of website.
1. Very simple with clean design
2. Since i have to input the pin number, the developer should able to built some platform so that i can input the pin number purchased from my supplier.
3. Once the pin number is sold, they system should automatically delete it from database.
4. Support paypal, master card, visa