Hypermarket 2-Lines Caller-ID

This project is programmed in python language for Windows environment. It checks two work telephone lines and detect caller’s number. User can create a customized contact list of customers for next callings. For example, when a unknown customer is calling for the first time, user save customer’s number with Address, Specific Id and an extra number (optional).
Now in second call from the customer, user can see the customer information after first ring.
A Serial caller-id hardware is used in this project. The model of this device is TK-204s and you can see it’s picture below.