The M16 IP Guest Phone by Vogtec is an LTE and WiFi SIP phone with battery operation, perfect for enhancing hotel services. It supports 4G data and WiFi 2.4/5G connectivity, with features like a breathing LED ring, message indicator, alarm clock, auto provisioning, and firmware upgrades via FoTA. The phone includes single-line and two-line operation, speed dial options, battery power, and wall-mount capability. It works with cloud IP PBX systems, offering reliable communication solutions for both new and old hotels.