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 headsets Full-duplex speakerphone with HD audio to maximize audio quality and clarity Equipped with noise shield technology to minimize background noise The GRP2602P includes built-in PoE to power the device and give it a network connection Supports 5-way audio conferencing for easy conference calls GRP2602W includes built-in dual-band Wi-Fi support