Internet Communications Using SIP

Dr. Henry Sinnreich (Richardson, TX) is Chief TechnologyOfficer at Pulver.com, a leading media company for VoIP andInternet communication services. Dr. Sinnreich has held engineeringand executive positions at MCI where he was an MCI fellow and hasbeen involved in Internet and multimedia services for more than 12years, including the development of the flagship MCI Advantageservice based on SIP. Henry Sinnreich is also a contributor to IETFstandards for Internet communications in such areas as SIPtelephony devices and using RTP extensions for voice qualitymonitoring. He was awarded the title Pioneer for VoIP in 2000 atthe VON Europe conference. Henry Sinnreich has been a cofounder andboard member of the International SIP Forum based in Stockholm. Heis a frequent speaker and is known as the leading evangelist,worldwide, for SIP based VoIP, presence, IM, multimedia, andintegration of applications with communications. Dr. Sinnreich isalso a guest lecturer at the Engineering School of the SouthernMethodist University in Dallas, TX.
Alan B. Johnston (St. Louis, MO) is a Consulting Memberof Technical Staff at Avaya, Inc. He has coauthored the coreInternet SIP standard RFC 3261 and four other SIP related RFCs. Heis the co-chair of the IETF Centralized Conferencing Working Groupand is on the board of directors of the International SIP Forum.His current areas of interest include peer-to-peer SIP andsecurity. Dr. Johnston is a frequent speaker and lecturer on SIPand contributor to various publications, and is an adjunctprofessor at Washington University in St. Louis, MO.