Grandstream GRP2601, 2 SIP,2 Line, no PoE, Black//2 SIP account, 2 linesGDMS online device management and provisioning5-way audio conferencing for easy conference callsEquipped with noise shield technology to minimize background noiseElectronic Hook Switch (EHS) support for Plantronics, Jabra, and Sennheiser headsetsEnterprise-level protection including secure boot, dual firmware images and encrypted data storagehttps://www.grandstream.com/products/ip-voice-telephony-carrier-grade-ip-phones/grp-series-essential-ip-phones/product/grp2601p