Item # 2200-16000-001 The Polycom SoundStation 2 2200-16000-001 , with digital LCD display and caller ID uses the industry-leading full duplex operation and delivers natural, simultaneous 2-way conversation. This system will exceed your expectations when placed in medium to small conference rooms. The users can speak in a normal voice and be heard clearly up to 10 feet away, making every call a more productive call. The phone's smart technology, such as Dynamic Noise reduction DNR , provides maximum microphone sensitivity, while reducing distracting background noise. The SoundStation 2 offers 360-degree microphone coverage with intelligent mixing. SoundStation 2 w/ LCD Features Corded Conference Phone Acoustic Clarity Technology 50% Increase in Mic Sensitivity Dynamic Noise Reduction DNR Reduces Distracting Room Background Noises Secure Conferencing 64Bit Voice Encryption Three Cardioid Mics 360 Degree Coverage Cell Phone Dialing Via Headset Cable Connection Aux Out Activated from Console Automatic Gain Control AGC Selectable Ringtones Speed Dial Requires Analog Telephone Line Click Here For Product Overview PDF File