single volume, in a consistent style and quality, for one low price. Order today to obtain this invaluable reference! PART 1: FUNDAMENTALS OF TELECOMMUNICATIONS The first part covers the Public Switched Telephone Network, equipment and call centers, the telecom business, carriers, digital voice transmission, T1, fiber and SONET backbones, how digital circuits and services are provided, muxes VS. switches VS. routers and wireless the groundwork for understanding everything. 1 INTRODUCTION Chapter 1 is an introduction. We discuss the approach taken in organizing the topics, and suggestions for how to use the material. This chapter contains an initial framework for understanding telecom circuits and services, and introductory terminology, jargon and buzzwords. 1.1 Our Approach 1.2 How the Text is Organized 1.3 How to Use This Text 1.4 The Three Answers 1.4.1 Answer Number 1: Money 1.4.2 Answer Number 2: History 1.4.3 Answer Number 3: It's All Pretty Much the Same Thing 1.5 Telecommunications Services from the User's Point of View 1.5.1 Access Circuits 1.5.2 Network Connection 1.5.3 Billing Plan 1.6 The Network "Cloud" 1.7 Telecom Circuits from the Phone Company's Point of View 1.7.1 Access Network 1.7.2 Switching Centers 1.7.3 Transmission Network 1.8 What's Next 2 FUNDAMENTALS OF TELEPHONY Whether you're interested in telecom, datacom, wireless, Wide Area Networking or Voice over IP, everything begins with the Public Switched Telephone Network and Plain Ordinary Telephone Service. We'll begin with a model for the PSTN, explaining analog circuits and circuit switching, as well as common telephony buzzwords and jargon, and an overview of SS7. 2.1 History of Telecommunications 2.1.1 Invention of the Telephone 2.1.2 Local Phone Companies 2.1.3 The Bell System 2.1.4 The Rest of the World 2.2 PSTN: Public Switched Telephone Network 2.2.1 Basic Model of the PSTN 2.2.2 Loops 2.2.3 Remotes 2.2.4 Trunks and Circuit Switching PAGE 4 TELECOM 101 REFERENCE BOOK TERACOM TRAINING INSTITUTE 2.3 Analog Signals and Analog Circuits 2