The Grandstream GHP610 Hotel Phone - White is an IP Phone featuring one HD speaker on the handset, 2 SIP accounts/lines, 3 programmable keys, and 10-speed dial keys. The GHP610 comes with 3-way voice conferencing, using full-band Opus voice codec, and an advanced jitter-resilience algorithm that tolerates up to 30% packet loss without impacting voice quality. Part of the GHP series, the GHP610 is supported by Grandstream's Device Management System (GDMS), which provides a centralized interface to configure, provision, manage and monitor deployments of Grandstream endpoints. The GHP610 can be installed on a desktop or wall mount and can be powered by PoE. In addition to hotels and resorts, the GHP series' elegant design makes it perfect for any setting that needs a simple IP phone, including hospitals, apartments, dormitories, and more.