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How to Cheat at VoIP Security

by Thomas Porter CISSP CCNP CCDA CCS,Michael Gough

ISBN 13: 9781597491693

Format: Paperback (432 pages)
Publisher: Syngress
Published: 28 Jun 2007

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Internet Communications Using SIP: Delivering VoIP and Multimedia Services with Session Initiation Protocol (Networking Council)

by Henry Sinnreich,Alan B. Johnston

ISBN 13: 9780471776574

Format: Hardcover (408 pages)
Publisher: John Wiley & Sons
Published: 01 Aug 2006

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