The GHP series of hotel phones features the GHP620(W) and the GHP621(W), easy-to-use IP phones for any hotel room that can be programmed and customized based on the needs of the hotel and their guests. These devices feature Wi-Fi adjacent models that come equipped with integrated dual-band Wi-Fi (GHP620W/ GHP621W). The GHP series features of the series includes; one HD speaker on each handset, 2 SIP accounts/ lines, 6 programmable keys, 10 speed dial keys, 3-way voice conferencing, full band Opus voice codec, and advanced jitter-resilience algorithm that tolerates up to 30% packet loss without impacting voice quality. The series is supported by Grandstream’s Device Management System (GDMS), which provides a centralized interface to configure, provision, manage and monitor deployments of Grandstream endpoints. GHP series IP phones can be installed on desktop or wall-mounted, and powered by PoE (GHP620/GHP621), power adapter (GHP620W/GHP621W), and USB Type C charging. Its compact design make it perfect for any hotel deployment. These IP Phones could also be used for deployments in settings such as hospitals, apartments, dormitories and more.