2N® LiftIP Cabin Unit – Flush Mount – With Button (921618BE) Technical Specifications Brand: 2N® LiftIP Series Part Number: 921618BE Function: Flush-mounted audio unit for emergency communication in elevator cabins, utilizing VoIP technology for SIP-based calls Installation: Designed for flush mounting on elevator cabin panels; includes integrated microphone, speaker (1W, 16Ω, option to increase to 2.3W with 4Ω speaker), and emergency call button with LED call confirmation Compatibility: Compatible with 2N® LiftIP 2.0 systems; supports integration with 2N® Elevator Center for 24/7 remote monitoring and configuration; complies with EN 81-28 and EN 81-70 standards Control: Initiates emergency calls via SIP-based VoIP technology; supports PCMU, PCMA, G.711 (approx. 90 kbps), L16, G.722, and G.729 audio codecs for high-quality full-duplex audio Integration: Supports Power over Ethernet (PoE 802.3af) for power and network connectivity; compatible with 2N® LiftIP Voice Alarm Station Switch for extended functionality; can link with IP cameras for video feed integration; connectable to 2N® Elevator Center for immediate malfunction notifications via email or operational call