Voice over IP (VoIP) is a large growth area and a key component of a unified communications networks. Making use of one network to deliver on voice and data services, allowing for voice to be treated as data. There are a number of factors when choosing a VoIP strategy, costs and ROI’s being the obvious starting point. Quality, stability, scalability for future growth and ability to adapt to changes in the market are other areas, which must be understood. Echo focuses on understanding these requirements and architecting the solution that best answers the voice and VoIP requirements.