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Monday, January 14, 2008

Why IP Multimedia Subsystems are not ready for services beyond voice

Convergence & VoIP Alert

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Why IP Multimedia Subsystems are not ready for services beyond voice

Steve Taylor By Steve Taylor and Larry Hettick
This week, we'll finish up the mini-series covering IP Multimedia Subsystem (IMS) progress with a re-cap on the issues and our analysis. We began the series with a hypothesis suggesting that "on paper," IMS is a great idea. But our bias before interviewing the experts who are working to advance IMS was that actual deployments are rolling along very slowly due to many factors, including the need for more multivendor interoperability testing of SIP (Sessions Initiation Protocol), the lack of IMS "hooks" for carrier operational support systems (OSS), and our belief that tension between wireless and wireline service network operations was a possible source of delays. Read full story

Steve Taylor is president of Distributed Networking Associates and publisher/editor-in-chief of Webtorials. For more detailed information on most of the topics discussed in this newsletter, connect to Webtorials, the premier site for Web-based educational presentations, white papers, and market research. Taylor can be reached at taylor@webtorials.com

Larry Hettick is a Principal Analyst at Current Analysis, the leading provider of competitive response solutions. A 25
year industry veteran, he has focused on Convergence and VoIP since 2000.

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