Yealink SIP-T29G Bundle of 6 Enterprise 16 Line HD IP Phone PoE support, No PSU SIP-T29G IP Phone is the most advanced model in the Yealink T2x IP terminal series. It has a high-resolution TFT color display,delivers a rich visual experience. Yealink Optima HD Voice refers to the combination of software and hardware design as well as the implementation of wideband technology to maximizes the acoustic performance. SIP T29G Supports vast productivity-enhancing feature such as XML Browser, SCA, BLF List, call forward, call transfer, 3-way conferencing, the 4.3 inch backlit color display enables rich visual presentation and easier navigation of the menu. For network connectivity, the T29G comes with two Gigabit Ethernet ports, one of them suitable for Power over Ethernet. Supports a variety device connections, including EHS headset and USB. User enable Bluetooth headset through USB Dongle. Supports up to 6 Expansion Module, adding up to 240 additional buttons with a screen based LCD display and LED system.