The GRP2611G is a powerful 3-line carrier-grade IP phone designed with zero-touch provisioning for mass deployment and easy management and is supported by Grandstream's Device Management System (GDMS).

Other available facets are like:

• Supports 3 SIP accounts and 3 multi-purpose line keys
• Dual switched auto-sensing 10/100/1000 Mbps Gigabit ethernet ports with integrated PoE
• Swappable faceplate to allow for easy logo customization
• HD audio supporting all major codecs, including wideband codecs G.722 and Opus
• Equipped with noise shield technology to minimize background noise
• Up to 12 digital BLF Keys
• Enterprise-level protection including secure boot, dual firmware images, and encrypted data storage
• Supported by GDMS which provides a centralized interface to configure, provision, manage, and monitor
• Supports 5-way audio conferencing for easy conference calls

Apart from these, you can find manifold other smarter features and we at Cohesive Technologies give you the best options.