This chapter looked at building a business case for VoIP and introduced the wide range of potential benefits, as well as the obstacles you may encounter during the project. It showed the elements of a simple spreadsheet, to help with the calculation of VoIP's return on investments. The last section discussed where to startsituations where your ROI is likely to be good.
The next chapter discusses how to startwhat you should consider in the planning, analysis, and evaluation stages of a VoIP implementation:
A roadmap for your VoIP deployment
How to avoid common VoIP pitfalls through proper planning
Why most networks are not ready for a VoIP deployment
Pilot deployments: how big should you start, and when should you roll them out?