Product Name: IC Card PayphoneModel Number: RT-CP2100PPlace of Origin: ChinaFeatures: 1) Make DDD, IDD and local call and charge the fee with valid card, such as IC card and magnetic card 2) Make free call without card 3) Not permitted to dial the forbidden phone number preset via management system 4) Two billing methods: polar reverse signal and 16kHz or 12kHz metering pulses 5) Dynamic display the balance of the card and call duration while the call 6) Support ads playing 7) Over-voltage and over-current protection 8) Working under the supervisor of management system 9) Download tariff rate table and parameters to payphones via management system