Design And Implementation Of The Pay-As-You-Go-Call Billing System

It is obvious that the trend in techniques today has gone beyond the ordinary to extraordinary expect are working unrelenting to postulate new theory, disorder or manufacture new technology to satisfy the human desires or need and to solve global problems that is to say as time changes new development comes into place.
Today the use of traditional or manual system of problem solving has left an excruciating pain, struggle and downfall of many business organizations. Today almost ever business activities can be carried out using automatic machines.
The automation of these activities has contributed immensely to the comfortability of human existence therefore via the desire and need to improve. The standard of living, the computer has been introduced to the various field of endeavour which includes the pay as-you – go call billing system thereby enhancing its production and reordering its sales.
The motivation for security, accuracy, stability, comfortability and satisfaction in the cellular telecommunication system is to secure communication and data signal from interception as well as to prevent telephone or communication fraud.
With the former analog based cellular telephone system such as total access communication system (TACS) and the advanced mobile phone system (AMPS). It is easier for radio signal to intercept or interrupt telephones conversation with the security agents.
Another security consideration in cellular telecommunication system involves identification of credentials such as electronic serial numbers (ESN), which is essential for easy assessment deification and analysis.