This class comes before work placements to let students to complete telephony notions they had in TB10.It gives technical notions needed in firms.This is why professors come from diffrent firms to explain the theory of telecommunications and real cases.

- Networks architecture(LAN,MAN,WAN)
- Mobile telephony: GSM,GPRS,UMTS.
- Introduction to TCP/IP
- architecture of systems: IBM.
- SNA,X25...
- Technology of High-Speed Networks:SDH (Synchronous Digital Hierarchy), ATM (Asynchronous Transfer Mode)

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