KDDI Corporation / US Cellular VIA Telecom ZTE Corporation / Spirent Communications Sprint Corporation / Ericsson Inc. / Alcatel Lucent / Agilent Technologies / Huawei Technologies Co. Ltd. / LG Electronics Inc. / America Samsung Electronics Co. Ltd. / TeleCommunication Systems Inc. / Sony / Qualcomm Incorporated / ETRI Hitachi Ltd. / Kyocera Corporation / China Telecom COMPRION GmbH / Mobile Communications Japan Inc. / Softbank Mobile Corp. / /