1-Line Telephone Recorder with Billing System - Engineering Knowledge Center

1-Line Telephone Recorder with Billing System

This project concern about a recording system for single telephone line, it concludes the billing system to calculate the price, using time, called number and etc. This project uses the microcontroller MCS-51 which is applied for working with 1 channel telephone recording system including with the billing system. It stores the telephone data for national calling, international calling and mobile telephone. The interface for information uses the serial port RS-232. The data is displayed on monitor and data will be automatically printed out.

By
Jomjai Sriumpai
Areeya Sawasdichai

Tag : 1-Line Telephone Recorder with Billing System , Engineering Knowledge Center