- Supports 2 lines and 4 SIP accounts - Supported by GDMS which provides a centralized interface to configure provision manage and monitor Grandstream devices - Electronic Hook Switch (EHS) support for Plantronics Jabra and Sennheiser headsets - Full-duplex speakerphone with HD audio to maximize audio quality and clarity - Equipped with noise shield technology to minimize background noise - Includes built-in PoE to power the device and give it a network connection - Supports 5-way audio conferencing for easy conference calls - Enterprise-level protection including secure boot dual firmware images and encrypted data storage - Swappable faceplate to allow for easy logo customization - Dual switched auto-negotiation 10/100/1000 Mbps Ethernet ports integrated PoE