Sony Ericsson . Smaller players include Audiovox (now UTStarcom ), BenQ-Siemens , CECT , Fujitsu , Kyocera , Mitsubishi Electric , NEC , Panasonic , Palm , Pantech Wireless Inc. , Philips , Qualcomm Inc. , Sagem , Sanyo , Sharp , Sierra Wireless , Just5 , SK Teletech , T&A