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：AT&T Inc.，原(yuan)為American Telephone & Telegraph的縮寫(xie)，也(ye)(ye)是中文譯(yi)名美國(guo)電話電報(bao)公(gong)司(si)由來，但近(jin)年(nian)來已不用全名），是一家美國(guo)電信公(gong)司(si)，創(chuang)建于1877年(nian)。 AT&T在近(jin)120年(nian)中，曾經過多(duo)次分拆和重(zhong)組。 AT&T也(ye)(ye)是是美國(guo)NBA聯盟圣安東(dong)尼奧(ao)馬刺(ci)的球館英(ying)語名AT&T Center。

美(mei)(mei)(mei)國(guo)(guo)電(dian)(dian)話(hua)電(dian)(dian)報公(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)司(si)(si)(si)(si)(si)(si)有(you)(you)8個(ge)主(zhu)要部(bu)門 ：貝爾(er)實驗室、商業市(shi)場集(ji)團(tuan)(tuan)、數(shu)據(ju)系(xi)(xi)統(tong)(tong)公(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)司(si)(si)(si)(si)(si)(si) 、通(tong)用市(shi)場集(ji)團(tuan)(tuan) 、網(wang)絡運(yun)營集(ji)團(tuan)(tuan)、網(wang)絡系(xi)(xi)統(tong)(tong)集(ji)團(tuan)(tuan)、技(ji)術系(xi)(xi)統(tong)(tong)集(ji)團(tuan)(tuan)、公(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)司(si)(si)(si)(si)(si)(si)國(guo)(guo)際集(ji)團(tuan)(tuan)。主(zhu)要業務(wu)(wu)是：為(wei)國(guo)(guo)內國(guo)(guo)際提(ti)(ti)(ti)(ti)供(gong)(gong)電(dian)(dian)話(hua)服務(wu)(wu)。利用海底電(dian)(dian)纜、海底光纜、通(tong)信(xin)衛星，可聯系(xi)(xi)250個(ge)國(guo)(guo)家和(he)地(di)區，147個(ge)國(guo)(guo)家和(he)地(di)區可直接(jie)撥號。提(ti)(ti)(ti)(ti)供(gong)(gong)商業機器(qi)、數(shu)據(ju)類產品(pin)(pin)和(he)消(xiao)費類產品(pin)(pin)。提(ti)(ti)(ti)(ti)供(gong)(gong)電(dian)(dian)信(xin)網(wang)絡系(xi)(xi)統(tong)(tong)。各種(zhong)服務(wu)(wu)及租賃(lin)業務(wu)(wu)。它還為(wei)政(zheng)府提(ti)(ti)(ti)(ti)供(gong)(gong)產品(pin)(pin)和(he)服務(wu)(wu)。該公(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)司(si)(si)(si)(si)(si)(si)非(fei)常重(zhong)視科(ke)研和(he)開發新產品(pin)(pin)。美(mei)(mei)(mei)國(guo)(guo)電(dian)(dian)話(hua)電(dian)(dian)報公(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)司(si)(si)(si)(si)(si)(si)在(zai)(zai)(zai)泰(tai)國(guo)(guo)、德國(guo)(guo)、新加坡(po)等地(di)設有(you)(you)工廠。在(zai)(zai)(zai)意大利、韓國(guo)(guo)、日本等國(guo)(guo)設有(you)(you)子公(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)司(si)(si)(si)(si)(si)(si)或(huo)者合資公(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)司(si)(si)(si)(si)(si)(si)。1995年(nian)9月，該公(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)司(si)(si)(si)(si)(si)(si)解體(ti)為(wei)三個(ge)獨立(li)的(de)(de)公(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)司(si)(si)(si)(si)(si)(si)：通(tong)訊服務(wu)(wu)公(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)司(si)(si)(si)(si)(si)(si)、通(tong)訊設備公(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)司(si)(si)(si)(si)(si)(si)、電(dian)(dian)腦信(xin)息服務(wu)(wu)公(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)司(si)(si)(si)(si)(si)(si)，并且退出個(ge)人電(dian)(dian)腦領域。AT&T的(de)(de)瓦(wa)解過程開始于1984年(nian)。在(zai)(zai)(zai)美(mei)(mei)(mei)國(guo)(guo)政(zheng)府反壟斷政(zheng)策(ce)的(de)(de)強制(zhi)干(gan)預下，公(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)司(si)(si)(si)(si)(si)(si)的(de)(de)本地(di)電(dian)(dian)話(hua)業務(wu)(wu)被(bei)分裂出去(qu)，重(zhong)新組(zu)建了7個(ge)子公(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)司(si)(si)(si)(si)(si)(si)，分別(bie)是：貝爾(er)太平洋公(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)司(si)(si)(si)(si)(si)(si)、Ameritech公(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)司(si)(si)(si)(si)(si)(si)、貝爾(er)西南公(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)司(si)(si)(si)(si)(si)(si)、貝爾(er)西部(bu)美(mei)(mei)(mei)國(guo)(guo)公(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)司(si)(si)(si)(si)(si)(si)、貝爾(er)大西洋公(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)司(si)(si)(si)(si)(si)(si)、貝爾(er)南方公(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)司(si)(si)(si)(si)(si)(si)和(he)Nynex公(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)司(si)(si)(si)(si)(si)(si)。