IP based wall mounting Industrial telephone / intercom with handset and stainless steel keyboard with 15 keys including 3 for special functions. Operating in selective/phone mode and general call. Hands-free functionality selectable. Equipped with back-light display for information and signaling. Stainless steel reinforced handset cable. SIP communication protocol. Menu programming via web browser. Electronic bell >90 dB at 1 meter adjustable. PoE (802.3af) or 12Vdc. IP66 protection. Structure shock & impact resistant made of GRP fiberglass reinforced polymer. Operating temperature: -10°/+75°C.