
The IMS (IP Multimedia Subsystem) framework is gaining more and more notoriety these days, becoming one of the hottest topics du jour in today's telecom world. However, much work remains to be done, including issues such standardization, the refinement of voice QoS mechanisms (for a conversational class of service) in the wireless environment, and the availability of some new "combinational" services that can bundle features such as location and presence. So fittingly (after playing a bit with Photoshop), I spent some time creating the above scoreboard that provides a good snapshot of the current state of the IMS market: we are still in the 2nd inning of a 9 inning-game. 2005 is shaping up to be more of a year of experimentation rather than full-scale deployments.
Note: I wrote an article regarding IMS that appeared on the May issue of the IPCC Newsletter, and will be giving a talk about IMS at Supercomm.
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