CREDIT SALES CENTERS AND CREDIT SALES POINTS

• Credit loading units where credit sales is performed are Credit Sales Centers and Credit Sales Points (POS).
Authorities form credit sales centers with at least 4 credit sales terminals (computers). At these centers credit
sales amounts are higher.
Credit Sales Points (POS) are consisted of one credit loading computer. Credit sales points are at banks, small
shops and entrance of other authority buildings.
• Computers with smart card reader and credit loading devices at credit sales points are fully compatible with
authority center servers.
• When subscriber goes to the credit sales point to buy credit, all information are visible at the sales point
computers. After the payment subscriber get his smart card back with load credit.
• All computers at credit sales centers and credit sales points are connected to authority central servers. All
operations between subscriber and sales unit are transmitted to the central servers by modems. Operational
cost saving and high security is provided.
• High tech, high process speed computers are used in the system. According to the developments in
computer technology, new computers are added to the system and operational speed is increased.
• System is protected by 3 level security system.

These are as follows;
a) Process level security codes
b) Credit Sales Terminal level security codes
c) System software level, highest security level codes

This way system is procted against internal and external unauthorized interventions.