Display: Large high-resolution, graphical 3.5-inch backlit display (396 x 162 pixels)

Ergonomic Design: Detached control panel for easy viewing without having to move the entire unit.

Fixed Feature Keys: Volume Control, Mute, Two-way Navigation with Select, Redial (Soft-Key), and Hold (Soft-Key)

Connectivity: Ethernet line (RJ45)

Microphone: Four Hemi-Cardioid microphones are perfectly spaced so that they combine to provide a 180-degree pickup pattern around the device. Speech is captured at the same level at all points.

Audio: High-quality wideband speakerphone technology. Included are Automatic Gain Control, comfort-noise generation, silence suppression and voice activity detection, Echo Suppression, and dynamic noise reduction, which reduces noise by up to 9 dB from constant noise sources such as fans or heating, ventilation, and air conditioning (HVAC) systems.

Expandability: Supports both wired or wireless external microphones for expanded coverage (sold separately). You can also daisy chain two units together.

Network: Session Initiation Protocol (SIP) for signaling

Security: Device authentication and signaling encryption using Transport Layer Security (TLS) with Advanced Encryption Standard 128 (AES-128). Media encryption using Secure Real-Time Transport Protocol (SRTP) with AES-128.

Configuration: Dynamic Host Configuration Protocol (DHCP) client or static configuration