Vision Impaired Visitors "Listen" to the Internet by Telephone 

netECHO allows users to navigate the internet using voice commands and any
telephone. Developed and deployed in the U.S. in 2000. netECHO's patented
technology provides content from any Web site in real-time. Customers can
also search any word(s) using search engines like Google, Altavista and MSN.  

Read a press release at:
http://www.ocusource.com/ocusource/index.cfm?page=News&Article=205

Links:
Surf Yourself Hoarse With NetEcho
http://www.pcworld.com/news/article.asp?aid=34312

iWebTalk
http://www.iwebtalk.com/

The Net service that listens and talks
http://www.weeklyholiday.net/170502/tech.html

InternetSpeech Inks Deal to Provide Custom Voice Internet Solution
http://biz.yahoo.com/bw/050301/15019_1.html