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Switching to VoIP: A Solutions Manual for Network Professionals

by Theodore Wallingford

ISBN 13: 9780596008680

Format: Paperback (504 pages)
Publisher: O'Reilly Media
Published: 30 Jun 2005

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VoIP Hacks: Tips & Tools for Internet Telephony

by Theodore Wallingford

ISBN 13: 9780596101336

Format: Illustrated (328 pages)
Publisher: O'Reilly Media
Published: 29 Dec 2005

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