Voice over Internet Protocol (VoIP) represents a major opportunity for carriers, manufacturers, suppliers and end users. After several false starts, it now appears that the VoIP market is taking off. VoIP will have a major impact on the public switched telephone network as voice, video, and data travel over the Internet. The VoIP newsletter covers all aspects of VoIP on a worldwide basis including tariffs, technical developments, regulatory issues, marketing, and much more. In order to keep up on this fast growing field, you need to read the "VoIP Newsletter" on a regular basis.