2 SIP account, 2 lines GDMS online device management and provisioning 5-way audio conferencing for easy conference calls Equipped with noise shield technology to minimize background noise Electronic Hook Switch (EHS) support for Plantronics, Jabra, and Sennheiser headsets The GRP2601P includes built-in PoE to power the device and give it a network connection Enterprise-level protection including secure boot, dual firmware images and encrypted data storage