Features Supports 2 lines and 4 SIP accounts Supported by GDMS, which provides a central interface to configure, provision, manage and monitor Grandstream devices EHS (Electronic Hook Switch) support for Plantronics, Jabra and Sennheiser headsets Full duplex Hands-free speakerphone with HD audio to maximize audio quality and clarity Equipped with noise shield technology to minimize background noise The GRP2602P has built-in PoE to power the device and allow it to connect to a network Supports 5-way audio conferencing for easy conference calls Enterprise-grade protection with secure boot, dual firmware images and encrypted data storage Interchangeable faceplate for easy logo customization GRP2602W offers built-in dual-band Wi-Fi support