The Snom SNOM-D3 Expansion Module USB is an optional accessory to enhance the functionality of the Snom D375, D345, and D315 IP phones. It features a large high-resolution display with 18 multi-colour LED keys. You can program these keys for functions such as line, speed dial, busy lamp field, and presence indication. This enables users to efficiently manage and control their calls, contacts, and other essential features. The module connects to the Snom IP phone through a USB port, providing an easy and convenient installation process.

The SNOM-D3 expansion module offers a multicoloured LED key that indicates call or presence status, while its high-resolution display provides a clear and customizable interface. Users can easily configure and label the module's features using the phone's web interface or directly on the module itself. Connecting to the telephone via a USB cable, the D3 allows for up to three expansion modules to be daisy-chained, offering a total of 54 function keys. The SNOM-D3 Expansion Module USB is an ideal addition to any modern workplace. With its sleek design and intuitive interface, it provides users with an enhanced communication experience.