芒果视频下载

創于1877年，世界500強，曾長期壟斷美國長途和本地電話市場，2018年完成收購時代華納，旗下擁有HBO、Turner廣播、CNN、華納兄弟影視公司等多個全球知名媒體品牌

AT&T公(gong)司(si)（英(ying)語(yu)：AT&T Inc.，原為American Telephone & Telegraph的縮寫，也是(shi)(shi)(shi)中文譯名(ming)(ming)美(mei)國電(dian)話電(dian)報公(gong)司(si)由來，但近年(nian)來已不用全(quan)名(ming)(ming)），是(shi)(shi)(shi)一家(jia)美(mei)國電(dian)信公(gong)司(si)，創建于1877年(nian)。 AT&T在(zai)近120年(nian)中，曾經過(guo)多次分拆和重組。 AT&T也是(shi)(shi)(shi)是(shi)(shi)(shi)美(mei)國NBA聯(lian)盟(meng)圣安東尼奧馬刺的球館英(ying)語(yu)名(ming)(ming)AT&T Center。

美(mei)國(guo)(guo)(guo)(guo)電(dian)(dian)話(hua)(hua)(hua)電(dian)(dian)報公(gong)(gong)(gong)(gong)司(si)(si)有8個(ge)主(zhu)(zhu)要部(bu)(bu)門(men) ：貝爾(er)實驗(yan)室、商業(ye)市場(chang)集(ji)團、數據系(xi)統(tong)公(gong)(gong)(gong)(gong)司(si)(si) 、通(tong)用(yong)市場(chang)集(ji)團 、網絡運(yun)營集(ji)團、網絡系(xi)統(tong)集(ji)團、技術系(xi)統(tong)集(ji)團、公(gong)(gong)(gong)(gong)司(si)(si)國(guo)(guo)(guo)(guo)際集(ji)團。主(zhu)(zhu)要業(ye)務(wu)(wu)是：為國(guo)(guo)(guo)(guo)內國(guo)(guo)(guo)(guo)際提供(gong)電(dian)(dian)話(hua)(hua)(hua)服務(wu)(wu)。利用(yong)海底電(dian)(dian)纜(lan)、海底光纜(lan)、通(tong)信衛星，可聯系(xi)250個(ge)國(guo)(guo)(guo)(guo)家和(he)地區(qu)，147個(ge)國(guo)(guo)(guo)(guo)家和(he)地區(qu)可直接撥(bo)號。提供(gong)商業(ye)機(ji)器、數據類(lei)產(chan)品(pin)(pin)和(he)消費類(lei)產(chan)品(pin)(pin)。提供(gong)電(dian)(dian)信網絡系(xi)統(tong)。各種服務(wu)(wu)及租賃業(ye)務(wu)(wu)。它還(huan)為政(zheng)府提供(gong)產(chan)品(pin)(pin)和(he)服務(wu)(wu)。該公(gong)(gong)(gong)(gong)司(si)(si)非常重視科研和(he)開發(fa)新產(chan)品(pin)(pin)。美(mei)國(guo)(guo)(guo)(guo)電(dian)(dian)話(hua)(hua)(hua)電(dian)(dian)報公(gong)(gong)(gong)(gong)司(si)(si)在(zai)泰國(guo)(guo)(guo)(guo)、德(de)國(guo)(guo)(guo)(guo)、新加(jia)坡等(deng)地設(she)有工廠(chang)。在(zai)意大利、韓國(guo)(guo)(guo)(guo)、日(ri)本等(deng)國(guo)(guo)(guo)(guo)設(she)有子公(gong)(gong)(gong)(gong)司(si)(si)或者合(he)資公(gong)(gong)(gong)(gong)司(si)(si)。1995年9月，該公(gong)(gong)(gong)(gong)司(si)(si)解體為三個(ge)獨立的(de)公(gong)(gong)(gong)(gong)司(si)(si)：通(tong)訊(xun)服務(wu)(wu)公(gong)(gong)(gong)(gong)司(si)(si)、通(tong)訊(xun)設(she)備公(gong)(gong)(gong)(gong)司(si)(si)、電(dian)(dian)腦(nao)信息(xi)服務(wu)(wu)公(gong)(gong)(gong)(gong)司(si)(si)，并且退出個(ge)人電(dian)(dian)腦(nao)領域。AT&T的(de)瓦解過程(cheng)開始于1984年。在(zai)美(mei)國(guo)(guo)(guo)(guo)政(zheng)府反壟斷政(zheng)策的(de)強制干預下，公(gong)(gong)(gong)(gong)司(si)(si)的(de)本地電(dian)(dian)話(hua)(hua)(hua)業(ye)務(wu)(wu)被分(fen)裂(lie)出去，重新組建了7個(ge)子公(gong)(gong)(gong)(gong)司(si)(si)，分(fen)別是：貝爾(er)太平洋(yang)公(gong)(gong)(gong)(gong)司(si)(si)、Ameritech公(gong)(gong)(gong)(gong)司(si)(si)、貝爾(er)西(xi)南公(gong)(gong)(gong)(gong)司(si)(si)、貝爾(er)西(xi)部(bu)(bu)美(mei)國(guo)(guo)(guo)(guo)公(gong)(gong)(gong)(gong)司(si)(si)、貝爾(er)大西(xi)洋(yang)公(gong)(gong)(gong)(gong)司(si)(si)、貝爾(er)南方公(gong)(gong)(gong)(gong)司(si)(si)和(he)Nynex公(gong)(gong)(gong)(gong)司(si)(si)。