Google Voice is a phone service provided by the makers of Gmail. It is an extremely well priced and competitive phone service that has VoIP rates which are literally pennies. In fact, if you are in the USA then calls are completely free throughout North America. The service also offers a number of other perks, such as voice transcription, conference calls, SMS to email, voicemail and even voicemail message to email services.
WavNet Communications, Inc., (WavNet-US) designs, supplies and operates fixed wireless broadband networks for service delivery of voice, video and data services utilizing WiMAX technology