에이티앤티(AT&T) - Thumbs

Acquisition by SBC

On January 31, 2005, Baby Bell SBC Communications announced its plans to acquire "Ma Bell" AT&T Corp. for $16 billion. SBC announced in October 2005 that it would shed the "SBC" brand and take the AT&T brand along with the "T" NYSE ticker symbol.
Merger approval concluded on November 18, 2005; SBC Communications began rebranding the following Monday, November 21 as "AT&T Inc." and began trading as AT&T on December 1 under the "T" symbol.
From http://en.wikipedia.org/wiki/American_Telephone_and_Telegraph