The center of validacao and billing of credit cards for public telephones modular

摘要

Such comprising the software included in the system in order to carry out the necessary transactions to validate credit cards used in modular public telephones, communicating with the modular public telephone validation and identification unit, and capable of managing the invoicing of such calls in respect of each of the credit organisations involved, allowing a standard protocol to be adapted for communication with the management centres of credit organisations and with the management centre of the telephone company in accordance with a set message structure. IMAGE