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Carrier Grade Voice Over IP (Professional Telecommunications)

by Daniel Collins

ISBN 13: 9780071363266

Format: Paperback (496 pages)
Publisher: McGraw-Hill Inc.,US
Published: 01 Oct 2000

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Jonah and the Little Black Cloud (Paintbox People)

by Daniel Collins, Sue Doggett

ISBN 13: 9780745932941

Format: Paperback (32 pages)
Publisher: Barnabas
Published: 20 Mar 1998

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