- 12 lines 6 SIP accounts- Supported by GDMS which provides a centralized interface to configure provision manage and monitor Grandstream devices- RJ9 headset jack allowing EHS with Plantronics headsets and integrated USB Headset support- Full-duplex speakerphone with HD audio to maximize audio quality and clarity- Equipped with noise shield technology to minimize background noise- Dual switched autosensing 10/100/1000 Mbps Gigabit Ethernet ports with integrated PoE- 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- Integrated dual-band Wi-Fi 802.11 a/b/g/n/ac (2.4Ghz & 5Ghz)