Part of the GRP series of carrier-grade IP phones, the GRP2604 is an essential 3-line model designed with Zero-Touch Provisioning for mass deployment and easy management. It features a sleek design and a range of next-generation capabilities, including 5-way voice conferencing to maximize productivity, integrated PoE (GRP2604P), full HD audio on both the speaker and the handset to enable communication with the highest clarity, EHS support for Plantronics, Jabra, and Sennheiser headsets, as well as multilingual support. The GRP series includes security features at the carrier level to ensure enterprise security, including secure boot, dual firmware images, and encrypted data storage. For cloud provisioning and centralized management, the GRP2604 is supported by Grandstream's Device Management System (GDMS), which provides a central interface for configuring, deploying, managing, and monitoring deployments of Grandstream endpoints. Designed for the needs of on-site or remote desktop users and intended for easy deployment by enterprises, service providers, and other high-volume markets, the GRP2604 offers a user-friendly and easily deployable voice endpoint.