According to this article Nokia thinks the IMS market will be huge. There are a number of reasons including the need for more revenue creation opportunities and services. Services like mobile video and fixed mobile convergence are discussed in the article.
Here are some excerpts:
IMS has been a focus at this year's mobile industry trade show in Barcelona, with announcements from firms such as TeliaSonera, Ericsson, Vodafone and Nokia on plans for the technology.
IMS is a platform that allows telecoms providers to quickly rollout new services, such as video calling, and it allows consumers to use one phone which automatically switches between mobile and fixed-line networks.
"The IMS market is not big yet, but it is of strategic importance," said Kai Konola, head of strategy at Nokia's networks unit.
"In 2006 I would expect it to be in the ballpark of 100-200 million euros. In 3-4 years time it will be an over 1 billion market," he said.
Electronics manufacturer Flextronics said in a statement more than 200 fixed-line and mobile telecom operators were running trials using IMS.
Every major technology firm, including the world's top network maker Ericsson and U.S.