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9780974813004-0974813001-SIP Beyond VoIP: The Next Step in the IP Communications Revolution
9780974813004-0974813001-SIP Beyond VoIP: The Next Step in the IP Communications Revolution

SIP Beyond VoIP: The Next Step in the IP Communications Revolution

by Henry Sinnreich, Alan B. Johnston, Robert J. Sparks
ISBN-13: 9780974813004
ISBN-10: 0974813001
Publication date: 2005
Publisher: VON Publishing LLC
Format: Paperback 334 pages
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