Nemertes study shows that as companies broaden their VoIP rollouts, setup costs increase - but so do savings.

By Robin Gareiss, Network World, 05/15/06

When IT executives make the strategic decision to implement VoIP and other converged applications, cost savings is one of the key drivers.

But is VoIP really a money saver? Based on a Nemertes Research survey of 90 IT executives, the answer is yes - over time. In other words, steep start-up costs will be offset in the long run by significant savings.