Implementing a EPABX using FPGA cyclone III

[sntsh]

Hello frnds, good morning, I am trying to make a EPABX using cyclone III FPGA. I am using FSM module for the same. please give some ideas about my project
that whether it can be implemented or not. If yes then share some ideas about above project. That is only for learning purpose.:roll:

 

[sntsh]

Good evening frnds, please tell about my project whether it is possible or not.