IP Phone Grandstream Networks GRP2624 Black

The Grandstream Networks GRP2624 is an 8-line carrier-grade IP phone designed for enterprise and service provider deployments. It offers zero-touch provisioning for mass rollouts, a 2.8" TFT display (320 x 240), integrated Wi‑Fi, Bluetooth support, full HD audio on both handset and speaker, and compatibility with Grandstream headsets via USB and with Plantronics headsets via EHS. The phone supports up to 2000 phonebook entries, multiple DTMF modes (In-band, Out-of-band, SIP info) and includes supervisor/user password protection and volume control buttons.

Advantages

The GRP2624 combines carrier-grade security features — including secure boot, dual firmware images and encrypted data storage — with centralized cloud provisioning through Grandstream Device Management System (GDMS) for easy configuration and monitoring. Its 5-way voice conferencing, PoE support, and compatibility with the GBX20 Extension Module (up to 4 modules, 160 contacts total) provide scalability and flexibility for busy receptionists and professionals handling high call volumes.

Suitable for

• Enterprises and corporate offices that require multi-line desk phones
• Service providers and managed deployments using zero-touch provisioning
• Receptionists and operators handling high volumes of calls
• Environments needing secure, centrally managed VoIP endpoints

Key specifications

• Lines: 8 lines
• Display: 2.8" TFT, 320 x 240 pixels
• Audio: Full HD on speaker and handset; 5-way voice conferencing
• Connectivity: Ethernet LAN, PoE, integrated Wi‑Fi, Bluetooth, USB
• Handset: Wired handset
• Phonebook capacity: 2000 entries
• DTMF modes: In-band, Out-of-band, SIP info
• Security: Secure boot, dual firmware images, encrypted data storage
• Extension module: Compatible with GBX20 (up to 4 modules, 160 contacts)
• Weight: 0.88 kg
• Colour: Black

How to use

Connect the GRP2624 to your LAN via Ethernet (or use PoE where available) and follow zero-touch provisioning instructions provided by your service provider or configure the device manually via GDMS or the phone web GUI. Pair Bluetooth devices or configure Wi‑Fi through the settings menu if wireless connectivity is required. Install a GBX20 extension module by connecting it to the phone to expand contact keys and programmable functions.

Recommendations

For large deployments, register devices with Grandstream Device Management System (GDMS) to enable centralized provisioning, firmware management and monitoring. Use PoE for simplified cabling and consider adding GBX20 modules for reception or operator desks that require quick access to many contacts.