by StephenJ.Bigelow (Editor), JohnL.Fike (Editor), G . E . Friend (Editor)
Explores how conventional telephone systems operate and how digital electronics replace them. Topics include advances in speech circuits, dialling, ringing and central office electronics; modems, digital techniques transmission, microcomputers and cellular phones are also examined.
Format: Paperback
Pages: 320
Edition: 3rd Revised edition
Publisher: Newnes (an imprint of Butterworth-Heinemann Ltd )
Published: Jul 1991
ISBN 10: 0672273500
ISBN 13: 9780672273506