ET IP is the key technology to overcoming the cost factors and logistical impediments of centralization.
Business needs more flexibility and lower cost of entry.
Nowhere is this more true than in call centers, the factories of the service economy. Because call centers are where the money gets made, they've benefited from enthusiastic investment in computer telephony infrastructure, facilities, and other overhead. Centralization makes you vulnerable to local staff shortages, turnover, natural disasters, and the like. And it makes you slow to respond to business challenges, such as rapid growth or internationalization. Different products tackle different aspects of the centralization problem.