Yealink Gigabit IP Phone with Dual USB Ports and 4.3The new Yealink T46U Gigabit IP phone builds on the success of the T46S with improved functionality and processing power. The Yealink T46U includes a second USB port, increasing the number of accessories that can be used together. There are six different accessories available, including the Yealink USB headsets (UH36), WF50 Wi Fi dongle and the EXP43 expansion module. As a reception phone, the Yealink T46U is unparalleled. An extended number of BLF