This tutorial provides a brief overview of the public switched telephone
network. It is used in Economics 235 - Economics of
Telecommunications and Public Policy at Ilinois State University. The
target audience for this tutorial is economists, managers and
policymakers; it is not meant for technical personnel. At the conclusion
of this tutorial, the student should be able to:
1. identify the parts of the network
2. description their function
3. understand how the parts fit together
4. know who owns each network part
This tutorial was written by David G. Loomis, an economics professor at
Illinois State University.