Grandstream GRP2616 6-line Carrier-Grade IP Phone

Grandstream GRP2616 6-Line Carrier-Grade IP Phone is a high-end enterprise VoIP desk phone designed for busy professionals, call centers, reception desks, and service providers that require advanced call handling, strong performance, and centralized device management. Supporting up to 6 lines and 16 SIP accounts, the GRP2616 combines dual color displays, integrated Wi-Fi 6, Bluetooth connectivity, dual Gigabit Ethernet ports with PoE, and HD audio technology. Built for large-scale deployment, it is fully managed through Grandstream Device Management System (GDMS), making it ideal for organizations that need scalable, secure, and efficient communication infrastructure.

Product Features

6-Line and 16 SIP Account Support

The GRP2616 supports up to 6 line appearances and 16 SIP accounts, enabling efficient handling of multiple extensions, departments, and call flows from a single device.

Dual Color LCD Displays

It features a 4.3-inch main color display and a secondary 2.4-inch screen for virtual BLF keys, providing fast access to contacts, extensions, and call status monitoring for improved productivity.

Integrated Wi-Fi 6 Connectivity

Built-in dual-band Wi-Fi (including Wi-Fi 6 support on newer hardware versions) allows flexible wireless deployment without relying solely on Ethernet cabling.

Built-In Bluetooth Support

Bluetooth functionality enables connection to wireless headsets and mobile devices, improving user mobility and convenience in professional environments.

Dual Gigabit Ethernet with PoE

The phone includes dual 10/100/1000 Mbps Gigabit Ethernet ports with Power over Ethernet support, ensuring high-speed connectivity and simplified installation.

48 Virtual Multi-Purpose Keys (VPKs)

With up to 48 virtual keys, users can configure BLF, speed dial, call park, call pickup, and other advanced telephony functions for efficient call management.

HD Voice with Noise Shield Technology

HD audio on handset and full-duplex speakerphone ensures clear voice quality, while noise shielding reduces background distractions for better communication clarity.

5-Way Audio Conferencing

Built-in conferencing supports up to 5 participants, allowing teams to collaborate directly from the phone without external conferencing tools.

Enterprise-Grade Security

Security features include secure boot, dual firmware images, encrypted data storage, TLS encryption, and SRTP protection to safeguard communications and business data.

Centralized Device Management (GDMS)

The GRP2616 is fully integrated with Grandstream Device Management System, enabling centralized provisioning, monitoring, firmware updates, and remote configuration.

Zero-Touch Provisioning

Designed for mass deployment, the phone supports zero-touch provisioning for fast and automated setup across multiple locations.

Customizable Faceplate Design

Swappable faceplates allow organizations to brand devices for professional and consistent corporate deployment.

Product Specifications

• Model: Grandstream GRP2616
• Product Type: Carrier-Grade 6-Line IP Phone
• Lines: 6
• SIP Accounts: Up to 16
• Display: 4.3-inch color LCD + 2.4-inch secondary LCD
• Display Resolution: 480 × 272 (main display)
• Ethernet Ports: Dual 10/100/1000 Mbps Gigabit ports
• Power over Ethernet: Yes (IEEE 802.3af)
• Wi-Fi: Dual-band Wi-Fi (Wi-Fi 6 support on supported hardware versions)
• Bluetooth: Integrated Bluetooth support
• Audio: HD voice on handset and speakerphone
• Audio Codecs: Opus, G.722 and other standard VoIP codecs
• Conferencing: 5-way audio conferencing
• Virtual Keys: Up to 48 VPKs
• Headset Support: RJ9 with EHS support
• Security: TLS, SRTP, secure boot, encrypted storage
• Device Management: GDMS cloud platform
• Provisioning: Zero-touch provisioning
• Faceplate: Swappable/customizable
• Deployment: Enterprises, service providers, call centers, high-volume office environments