This class focuses on real and concret cases (french or belgium compagnies) in order to discover basic notions of telephony and networking technologies.

- Telecommunications story
- Data transmission
- Commuted Telephonic Networks (local or national sized)
- ISDN (Integrated Services Data Network)
- Network intelligence
- High-Speed Network

- Written examination: coefficient 2
- Synthesis to be returned before the end of the module: coefficient 1