Provides an absolute solution for fraudulence. The number of fraudulent call attempts is transferred to the center. Information about the number of coins used in each payphone is transferred to the local centers at the exchange offices. Called numbers information is transmitted to the center. The information collected at the local centers are transferred to the main center.
All functions are software based enabling easy and cost efficient modifications in the future.
Power is supplied over telephone line eliminating the need for external power supply. The U3 card module of the coin box phones in Turk Telekom. The coin information is collected remotely. Counting pulse information is collected. This system will provide detailed invoices to the subscribers for local, long distance and international calls.