The Snom M55 is designed for scalable SMB environments and impresses with its robust design and feel. The large 2.4-inch color display provides a clear, organized view of the intuitive user interface. All settings can be centrally managed via the M500 base station using zero-touch provisioning, and software updates are delivered over-the-air. In addition to proven system features such as line monitoring, the 6 LED function keys can also be programmed for call pickup, hold/redial, group calls, and intercom groups. The powerful 1500 mAh battery allows for up to 12 hours of talk time in HD audio quality. Both wired and Bluetooth headsets are supported.