Corporations have recognized IP communications is a driver of greater productivity, said Micky Tsui, VP and GM of Avaya's Communication Systems Division, in a keynote address at VON Spring in San Jose, California, and the sales number reflect this trend. IP telephony spending over the past year has been growing a phenomenal 88% annual grow rate. IT spending overall is at about 5%, while the overall GDP growth rate is about 4%.
Based on multiple analyst reports, Avaya believes these trends will accelerate in the years ahead. Tsui presented the following figures for reference:
| Worldwide IP Line Shipments | |
| 2000 | 700,000 |
| 2003 | 700,000 |
| 2004 | 17.0 million |
| 2007 | 39.6 million |
IP telephony in the enterprise is already mainstream. 2005 will be the inflection point where IP port shipments exceed TDM port shipments for the first time.
Tsui said IP-based productivity gains are often easy to measure in many professional services, such as insurance form claims - where Avaya has seen one of its customers reduce the time to process insurance claims drop 5 days to under two hours.
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