The Digital Future Of The Telephone Network
A Study of Evolving Technology
By Lee Goeller
Originally published by Probe Research Inc. 1979. Reprinted by permission

Detailed Table of Contents

2005 Introduction

Overview

Chapter 1: Introduction

Chapter 2: The Interaction Between Transmission and Switching

• Introduction

• DDD Development

• The Toll Hierarchy

• E&M Trunks

• Loop Supervision

• Start Pulsing Signals

• Glare

• Summary

Chapter 3: Fundamentals Of Speech Transmission

• Introduction

• Economics of Digital Modulation

• Quantizing Noise

• Companding

• Amplitude Control

• VNL

• Pad Switching

• TLP

• Reflections

• Summary

Chapter 4: The Development Of Switching

• Methods of Classification

• Large Motion Switches

• Register/Translator/Sender

• Crossbar and Marker

• Toll Switching

• Computer Control

• PCM Digital Switching

• Summary

Chapter 5: An Idealized All-Digital Communications Network

• Introduction

• Basic Requirements

• The PCM Network

• Getting There from Here

Chapter 6: The Stored Program Controlled (SPC) Network

• Non-PCM Developments

• The Non-Digital Approach with No. 4 ESS

• Common Channel Interoffice Signaling (CCIS)

Chapter 7: Levels In The Switched Digital Network

Chapter 8: All Those Other Networks

Chapter 9: Some Possible Shortcuts To The Digital Future

Bibliography and Comments on Bibliographical Items

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Copyright 2005 Lee Goeller. All Rights Reserved.