This very capable handset has enterprise-grade telephony with professional messaging, Bluetooth, and a personal alarm. The advanced messaging makes it ideal for interacting with people or automated equipment. It features an alarm button that can be configured to trigger duress calls. DECT location functionality means colleagues are notified of the handset?s location, which makes the IP DECT 3735 Handset particularly suitable for lone workers. The handset supports 19 languages, up to 20hours of talk time, and up to 235 hours of standby time.