IMS Call Session Control and Quality of Service

Published in Pipeline, May 2006.

The basic idea of IMS is to take advantage of the power, flexibility, and cost reductions associated with “IP-everywhere” and add to it some of the disciplines associated with “traditional” telecoms, providing, for example, Quality of Service, access control, network security, and billing for calls and traffic.

This all seems like good news for service providers, especially the traditional carriers, as they strive to contain new-generation competition, while at the same time migrating to their own all-IP networks as quickly as possible.

An interesting outcome of the implementation of IMS is that the business of telecommunications may evolve to look more like the old PSTN than like the Internet …

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To read the rest of Barbara Lancaster’s article, please go to Pipeline.

Barbara Lancaster is President of LTC International Inc.