The Grandstream GRP2616 is a carrier-grade IP Phone featuring 6 line keys and 6 SIP accounts, integrated WiFi, Bluetooth support, PoE, dual Gigabit ports and zero-touch provisioning to make mass deployment and management a breeze. Boasting a 4.3-inch color LCD display with swappable faceplates for easy logo customization and an additional 2.4-inch display, the GRP2616 has been designed with professional users in mind. It features 48 virtual multi-purpose keys with the option of adding an extension module. Adding to the perks are enterprise-level security technology and device management through Grandstream's Management System (GDMS) for ease in configuration, provisioning, and deployments. 
Grandstream GRP2616 Carrier-grade IP Phone Overview
The GRP2600 Series by Grandstream has been designed with enterprises, service providers and other high-volume markets in mind. They have been purpose-built to simplify the tasks of configuring, managing and monitoring deployments. Administrators can do so by using Grandstream's Device Management System (GDMS), a centralized interface to manage Grandstream's endpoints and for cloud provisioning.
The GRP2600 Series offers high-end security features including secure boot, dual firmware images, and encrypted data storage. The GRP2600 models are state-of-the-art devices that will fill the need of easy to manage and deploy IP Phones for service providers and enterprises.
The GRP2616 features 6 lines, dual screens, integrated dual-band WiFi, Bluetooth support, PoE, 48 BLF keys, and dual Gigabit ports.
Grandstream GRP2616 Features and Specifications
Integrated Bluetooth
HD audio, handset, and speakerphone with support for wide-band audio
6 line keys with up to 6 SIP accounts
Dual LCD screens with digital BLF Keys
Enterprise-level protection including secure boot, dual firmware images, and encrypted data storage
Integrated dual-band 802.11 a/b/g/n/ac Wi-Fi
Dual switched auto-sensing 10/100/1000 Mbps Gigabit Ethernet ports with integrated PoE
Swappable faceplates to allow for easy logo customization