1-Understands the basic working principle of the fax device.

2-Understands the standards, advantages and disadvantages of ISDN systems.

3-Learns the advantages of DSL systems, which is a copper circuit transmission technology that increases the digital capacity of fixed telephone lines depending on the distance between the customer and the telecom operator, provides broadband access.

4-Learns the digital network and the capacity increase technique where more than one conversation can be made using TDMA.

5-Recognizes GPRS system features and services that enable mobile internet, provide end-to-end packet switched data services, support TDMA and GSM infrastructure.

6-It explains the Virtual Mobile Network Operator (MVNO), TETRA, SDH (Synchronous Digital Hierarchy), new generation internet solutions and the basic features and usage requirements of the systems.