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MCI Communications : ウィキペディア英語版
MCI Communications

MCI Communications Corp. was an American telecommunications company that was instrumental in legal and regulatory changes that led to the breakup of the AT&T monopoly of American telephony and ushered in the competitive long-distance telephone industry. It was headquartered in Washington, D.C.〔"(Complaint for Judgment and Injunctive Relief (Antitrust) : MCI Communications Corporation and BT Forty-Eight Company ("NewCo") )." ''United States Department of Justice''. Retrieved on September 25, 2009.〕
Founded in 1963, it grew to be the second-largest long-distance provider in the U.S. It was purchased by WorldCom in 1998 and became MCI WorldCom, with the name afterwards being shortened to WorldCom in 2000. WorldCom's financial scandals and bankruptcy led that company to change its name in 2003 to MCI Inc.. The MCI name disappeared in January 2006 after the company was bought by Verizon. As of May 2011, the MCI trademark is still maintained on MCI.com and on a sub-page of Verizon.com, while the name of one of its former long distance plans, Friends & Family, is maintained as a Verizon Wireless service offering.
==History==


抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)
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