According to the VoiceStream Web site, the service will offer "PingPong," which will let consumers send 140-character text messages between cell phones. Downloadable ring tones, such as the theme from "The Simpsons" will also be marketed. A description of the rate plans are also available by visiting VoiceStream. --Ben Charny, ZDNet News
Wireless service provider VoiceStream has released some additional details about the high-speed phone service it will call "iStream," which may be launched by year's end.