It's often hard to determine if the promise of a new piece of technology will deliver the stated return on investment. Having been in the reseller business for over ten years, we've seen many technologies from a wide range of vendors... and how well their deployment has met the expectations of businesses. In this fourth article in a series of ten, we are looking at some practical steps to re-evaluate your environment with a view to cost savings. VOIP... Can it really save you money?