Chapter 1. How Modems Work
Although analog modem technology stood on its own for many years in public switched telephone network (PSTN) environments, the rapid evolution of IP telephony (IPT) is now requiring that modem communications work successfully over IP networks. However, before discussing this complicated convergence of modems and IP, it is important to first attain a solid foundation in basic analog modem operation and communication.
This chapter addresses the basics of analog modem technology and prepares you for working with modems in IP networks. Specifically, this chapter covers the following topics:
A Brief History of Modems: Highlights important developments and achievements since the modem’s inception
Architecture of a Modem: Details ...
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