The global market for presence-based services such as Push-To-Talk (PTT) and Instant Messaging (IM) is forecast to exceed US$16 billion in 2009. A new study by Insight Research says these services are particularly popular in Asia with carrier revenues for PTT and IM in the region running at almost 25 per cent more than in North America. The study notes that presence-based services are part of a global push by operators to create new, IP-enabled services for the consumer and enterprise markets.
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