Bill Webster, another Schooley Mitchell consultant in Calgary, Alberta says, �the key is to assess the reliability and quality of service. If the quality is what you need, and by the way, it�s improving every day, then a cost-benefit analysis is required comparing your current access to VoIP. Often times VoIP is the winner. As new services with VoIP become available over time, that win will be even more evident for the regular business person.�