The D765 combines ease of use, versatility, design quality and audio performance. It offers a 3.5" high-resolution color TFT display that delivers rich information - such as presence and photocaller ID - to the user. 16 freely programmable multicolor function keys can be configured for a variety of one-touch telephony functions such as speed dial, busy lamp field or presence indication. This desk phone features two Gigabit Ethernet ports, built-in Bluetooth compatibility and a high-speed USB port for easy connection of accessories including a USB or Bluetooth headset, a WiFi stick or a D7 expansion module. Superior audio quality is delivered by the advanced speaker and microphone system and the Digital Signal Processor (DSP).