Chapter 1. Cisco VoIP Implementations
This chapter describes Cisco Voice over IP (VoIP) implementations. Expect to see several exam questions based on the material in this chapter.
This chapter has five major topics. The first topic helps you understand the basic components of VoIP networks and the benefits of VoIP networks. The second topic is about converting an analog voice signal to a digital voice signal and the concepts of sampling, quantization, compression, and digital signal processors (DSP). The third ...
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