UC507U is an innovative Gigabit Color IP Phone. 16 SIP accounts, 8 feature keys 10 line keys can be programmed up to 36 various features (4-page view), 4.3” TFT-LCD, 480 x 272 pixel, HD Handset,HD Speaker,HD Codec, Bluetooth & WiFi Integrated,1 x USB Port (2.0 compliant) for more functions, Dual-port Gigabit Ethernet It supports up to 5-way conference. UC507U is optimized for executive use for major decision makers, administrative assistants, and those working with bandwidth-intensive applications on collocated PCs. Programmable keys could be configured as IP PBX features like BLF, SCA, Intercom, Call Pickup, Call Park, and many other features. The high-resolution TFT-LCD and HD Voice bring you a lifelike visual and audio experience.