Proprietary - NEC

The NEC DT730 24D IP Phone is easy to use and very well designed. Unlike the cheaper NEC DT710 6D phone the LCD screen is also backlit for easier viewing in all light conditions. Below the NEC DT730 24D display screen there are also 4, very handy, contextual buttons. They display logical onscreen options depending on what function youre accessing on the handset. For example, if you are using voicemail it will show options like replay, delete, save etc. The logic is intuitive and makes daily phone use for the 24D much easier.
Key Features:

• 24 Programmable Keys
• Hands Free (Full Duplex) Speaker Phone
• Backlit Keypad
• Headset Compatible
• Easy to Use Soft Keys / LCD Prompts
• Navigation Wheel
• Directory Dial: 1000 System, 1000 Group, 10 Personal, 600 Phone Book
• Call History
• Wall Mountable