Reference:
GRP2613
The Grandstream GRP2613 phone is an operator grade 3-line IP phone designed with easy-to-use, self-powered, automatic provisioning. It includes 24 multi-purpose virtual keys (VPKs), 2 Gigabit ports, a color LCD screen with interchangeable faceplates to allow easy customization of the logo as well as other functions. Furthermore, this GRP series includes operator-grade security features to provide enterprise-level security, such as secure boot, dual firmware images, and encrypted data storage. This phone also has the support of the cloud service called Grandstream Device Management System (GDMS).