ISDN
by John Ronayne
ISBN 13: 9780273026778
Format: Paperback (256 pages) Publisher: Routledge Published: 01 Oct 1987
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Introduction to Digital Communications Switching
ISBN 13: 9780273034520
Format: Paperback (240 pages) Publisher: Routledge Published: 01 Apr 1991 Other Format: Paperback
Introduction to Digital Communications Switching (Telecommunications techniques & systems)
ISBN 13: 9780273021780
Format: Paperback (192 pages) Publisher: Financial Times Prentice Hall Published: Mar 1986 Other Format: Paperback