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Nokia Siemens Networks OyMannesmann AGKoninklijke PTT Nederland NVNorthern Telecom Ltd.Cingular Wireless LLCMCI, Inc.MCI, Inc.America Online, Inc.America Online, Inc.KT Freetel Co., Ltd.Guangzhou Mingsen Technologies Co., Ltd.SOFTBANK BB Corp.Anhui Sinonet & Xinlong Science & Technology Co., Ltd.Nextel Communications, Inc.Time Warner Entertainment Co. LPTime Warner Entertainment Co. LPGeneral Communication InstrumentsInsprit, Inc.Ameritech Corp.Ameritech Corp.Sunway Co., Ltd.Omnipoint Corp.Elisa Communications Corp.Elisa Communications Corp.ke Kommunikations-Elektronik GmbHke Kommunikations-Elektronik GmbHWILLCOM, Inc.NEC Technologies (UK) Ltd.Telecom Italia Mobile SpAInstituto de Telecomunicações
LG Electronics, Inc.Sharp Corp.Huawei Technologies Co., Ltd.Ericsson, Inc.Nippon Telegraph & Telephone Corp.Kyocera Corp.Guangdong OPPO Mobile Telecommunications Corp., Ltd.Guangdong OPPO Mobile Telecommunications Corp., Ltd.Oki Electric Industry Co., Ltd.Electronics & Telecommunications Research InstituteAlcatel-Lucent S ANTT DOCOMO, Inc.Showa Denko Materials Co. Ltd.Resonac Corp.Western Electric Co., Inc.Fujikura Ltd.Hitachi Metals, Ltd.Proterial Ltd.vivo Mobile Communication Co., Ltd.Nokia Siemens Networks OyLucent Technologies, Inc.BT Group PlcChina Mobile Communications Group Co., Ltd.China Mobile Communications Group Co., Ltd.Mannesmann AGJapan Aviation Electronics Industry Ltd.SK Telecom Co., Ltd.BlackBerry Ltd.Nubia Technology Co., Ltd.Nanjing University of Posts & Telecommunications