The Snom E303 is a traffic‑red, wall‑mounted SIP emergency phone designed for critical environments where visibility, simplicity, and rapid communication are essential. It is intended for locations such as office corridors, hotel hallways, school canteens, and retail spaces where users must be able to quickly and reliably call for help. Features: - High‑visibility traffic‑red emergency design - Antibacterial housing suitable for public/high‑contact areas - Indoor wall‑mounted construction for hallways and confined spaces - Auto‑dial on handset lift for immediate call initiation - HD Audio Support - LED indicators for call status, mute, speaker mode, and message waiting - 20 hard keys including ITU keypad, audio keys, and programmable shortcuts - PoE (IEEE 802.3af) for simplified installation and power delivery