Voice over IP Fundamentals

Chapter 2. Analog and Digital Voice Connections After reading this chapter, you should be able to perform the following tasks: Select the appropriate analog voice connection for a Cisco deviceChoose a voice compression scheme that best s...

Analog Voice Fundamentals Interfacing Cisco Systems equipment with traditional analog telephony devices requires an understanding of the various interfaces used in the industry. This section introduces analog interfaces that you can select from, i...

Analog-to-Digital and Digital-to-Analog Voice Encoding This section covers the fundamentals of digitally encoding voice, specifically, the basics of voice digitization and the various compression schemes that are used to transport voice while usin...

Signaling Systems Configuring Cisco Systems voice equipment to interface with other equipment requires an understanding of the signaling that conveys supervision between the systems. Proper troubleshooting also requires an understanding of these s...

Enabling VoIP Fax and Modem Transmission This section describes the implementation of fax and modem traffic over a VoIP network. It explores both Cisco Systems and standard implementations of faxing, as well as various methods used to transport ...

Summary This chapter explored analog signaling technologies, such as loop-start, ground-start, and various E&M signaling approaches. Additionally, this chapter described digital signaling approaches, including CAS (channel associated signaling...

Chapter Review Questions The following questions test your knowledge of topics explained in this chapter. You can find the answers to the questions in Appendix A, "Answers to Chapter Review Questions." 1.What are the three different typ...

Lab Exercise: Navigating Your Hands-On Lab In this lab, you will construct and become familiar with the VoIP lab topology to be used in subsequent labs. The lab topology contains a total of three Cisco routers. However, some of the labs can be ada...