4642064
9781596930506
Alan B. Johnston is a coauthor of the SIP specification RFC 3261 and several other SIP-related RFCs and serves on the board of directors of the SIP Forum David M. Piscitello is the president and principal consultant of Core Competence, Inc. He is a Fellow with the Internet Corporation for Assigned Names and Numbers on the Security and Stability Advisory CommitteeJohnston, Alan B. is the author of 'Understanding Voice over Ip Security ', published 2006 under ISBN 9781596930506 and ISBN 1596930500.
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