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
Chapter 6 – Circuit-switching systems and networks Mobile Switching Center (MSC) Tandem trunk exchange switch
Chapter 6 – Circuit-switching systems and networks Switched network routing Hierarchy of switches
Chapter 6 – Circuit-switching systems and networks Alternate routing
Chapter 6 – Circuit-switching systems and networks Capacity Planning
Chapter 6 – Circuit-switching systems and networks
Chapter 6 – Circuit-switching systems and networks
Chapter 6 – Circuit-switching systems and networks
Chapter 6 – Circuit-switching systems and networks
Chapter 6 – Circuit-switching systems and networks
Chapter 6 – Circuit-switching systems and networks