2.3" 132x64 pixel graphical LCD Display with backlight Dual-port Gigabit Ethernet PoE Support Supports the connection of EHS wireless headsets LED indicators for call and message waiting indication RJ9 headset port Local phone book with capacity for up to 1000 entries Opus codec support Up to 2 SIP accounts Local 5-way conferencing Support for Wireless Headsets coming soon with new EHS adaptor 6 Feature Keys and 5 Navigation Keys Supports YDMP/YMCS Stand with 2 adjustable angles HD voice and Smart Noise Filtering Wall mountable Lifetime Warranty The Yealink T31 is a user friendly entry level desk phone. With an extra large 132x64 pixel LCD backlit screen. With support for up to two SIP accounts and inclusive local 5-way conferencing this device is designed to generate a more productive work flow. Featuring a new powerful chip, the Yealink T3 Series provides a stronger computing ability ready to support a smoother user experience and advanced features such as IPv6 support and smart noise cancelling. The T31 allows users to keep pace with a multitude of business demands, with built-in PoE and superb HD sound quality. Depending on your requirements. Specifications