Voice over Internet Protocol or VOIP has become a major necessity to today's business world. It's part of the massive telecommunications and communications overall industry and is changing and growing every day. Now with better software and hardware the industry is delivering quite an impact and today's business person had better be on top of the latest techniques and technologies. You'll find links to manufacturers of software and hardware here. Tutorials on how to use your present equipment to better use and how you can improve on your own skills. This directory is going to be a favorite for sure.