Chapter 1. Touring the History Museum of Telephony
What You Will Learn
After reading this chapter, you should be able to
✓ | Explain the differences between various types of telephone switches. |
✓ | Describe the operation of traditional telephony systems. |
✓ | Identify the advantages of a Voice over IP (VoIP) network. |
Welcome to the world of Voice over IP (VoIP)! Think of it, sending your company’s voice traffic (or even your home’s voice traffic) over a data network. When you place a call from your office to New York or Los Angeles, your voice travels across your company’s network links, not through the telephone company’s voice network. As a result, you avoid long-distance charges; however, that’s just the tip of the iceberg. This book introduces you to the ...
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