Unit1

Text A: The Slow Push To SPC

Text B: ITT 1240 Digital Exchange General Introduction

Fast Reading: The Telephone and Its Inventor

Unit2

Text A: Switching Techniques

Text B: ITT 1240 Digital Exchange Operating System

Fast Reading: Early Telephone and Its Improvement

Text A: Connection Unit

Unit3

Text B: ITT 1240 Operation and Maintenance Basic Maintenance Functions

Fast Reading: Telephone Exchange

Unit4

Text A: Control Architecture

Text B: NEAX61E System Outline

Fast Reading: The First Lady of Telecommunication

Unit5

Text A: Software In Electronic Switching Systems

Text B: NEAX61E Basic Software Features

Fast Reading: Automatic Switchboards

Unit6

Text A: Some Languages Used In Switching Software

Text B: AXE High Technology Switching System

Fast Reading: A Look at the Future of Audioconferencing

Unit7

Text A: Overview of Call Processing

Text B: AXE Common Channel Singalling Subsystem(CCITT No.6)

Fast Reading: Features of the Cable Configuration

Text A: Common-channel Signalling

Unit8

Text B: New 5ESS Switch

Fast Reading:

Unit9

Text A: Switched Multi-megabit Data Service(SMDS)

Text B: 5ESS Gateway Switch

Fast Reading: Long Distance Telephoning

Unit10

Text A: UMTS-Mobile Communications Beyond the Year 2000

Text B: Electronic Mobile Exchange Basic Design Concepts

Fast Reading: Cellular System Overview