1. Chapter 6 – Circuit-switching systems and networks
Voice centric “exchanges” or switches
Types of switching units
Local/End office exchanges (Class 5)
Terminate subscriber wireline stations
Tandem (Class 4)
Trunks connecting other exchanges

2. Chapter 6 – Circuit-switching systems and networks
Mobile Switching Center (MSC) Tandem trunk exchange switch

3. Chapter 6 – Circuit-switching systems and networks
Switched network routing
Hierarchy of switches

4. Chapter 6 – Circuit-switching systems and networks
Alternate routing

5. Chapter 6 – Circuit-switching systems and networks
Capacity Planning

6. Chapter 6 – Circuit-switching systems and networks

7. Chapter 6 – Circuit-switching systems and networks

8. Chapter 6 – Circuit-switching systems and networks

9. Chapter 6 – Circuit-switching systems and networks

10. Chapter 6 – Circuit-switching systems and networks

11. Chapter 6 – Circuit-switching systems and networks