USATODAY.com - Tech companies such as Microsoft, Apple and eBay are plunging deeper into the telecom business as phones and phone systems become more like computers. The market for one kind of back-end phone gear alone is supposed to jump from $2.7 billion in 2005 to $8.4 billion in 2010.{br}{br}View the Entire Article{br}{br}Click Here to Launch in a new Window