This course explores issues related to the design and deployment of circuit-based and packet-based voice networks. You will learn about the differences between queuing and blocking networks, how the PSTN is engineered for quality of service, how Erlang tables are used, and how trunk groups and the law of large numbers apply. You will also examine quality issues in packet networks and explore a number of service aspects including Centrex and CLASS services.

Running Time: 65 minutes