Overview
The Grandstream GRP2603(P) is a powerful 3-line IP phone tailored for mass deployment and simplified device management. With support for up to 6 SIP accounts, 5-way voice conferencing, and integrated PoE (model GRP2603P), it delivers robust features for high-volume communication environments. The GRP2603 is ideal for enterprises and service providers seeking seamless scalability, advanced audio quality, and secure remote configuration.

It is supported by Grandstream’s Device Management System (GDMS) for centralized provisioning and real-time monitoring. Key business-friendly features like EHS headset support, HD audio, AI noise reduction, and dual Gigabit ports make it a dependable choice for efficient daily operations.

Key Features

• 3 SIP lines, 6 SIP accounts, up to 3 call appearances
• Integrated PoE (GRP2603P model) and dual Gigabit Ethernet ports
• 5-way voice conferencing support
• HD audio with full-duplex speakerphone
• AI-powered noise shield technology
• GDMS remote provisioning and monitoring platform
• EHS headset compatibility (Plantronics, Jabra, Sennheiser)
• Swappable faceplate for branding
• Enterprise-grade security: secure boot, encrypted data, dual firmware