The Grandstream GRP2616 is a high-end IP phone ideal for business use, featuring advanced functionalities and intuitive features. It supports up to 6 lines and 6 SIP accounts, making it an ideal choice for busy executives and employees who need to handle multiple calls and tasks at once.

One of the most notable features of the Grandstream GRP2616 is its dual-colour, 4.3-inch LCD display. This provides an easy-to-use and customizable interface for users. Additionally, there is a 2.4-inch LCD display located on the phone's secondary screen. It can be used to display call history, contacts, and other important information.

The phone comes equipped with Power over Ethernet (PoE) and built-in Wi-Fi. So it's easy to set up and connect to your network. With support for up to six lines, users can easily manage multiple calls and conferencing with the phone's built-in full-duplex speakerphone and advanced acoustic echo cancellation.

The GRP series has top-level security with secure boot, dual firmware images and encrypted data storage. The GRP2616 can be managed centrally with Grandstream's Device Management System (GDMS) for cloud provisioning and monitoring.