Grandstream 3 Line IP Desk Phone
3-line carrier-grade IP desk phone with HD audio, LCD display, and centralized GDMS management for business communication.
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The Grandstream GRP2603 is a reliable 3-line carrier-grade IP desk phone designed for business environments and service provider deployments that require efficient multi-line communication and centralized device management.
It supports 3 lines with up to 6 SIP accounts, allowing users to handle multiple calls simultaneously, making it ideal for office staff, receptionists, and customer service roles.
The device delivers HD audio on both handset and full-duplex speakerphone, ensuring clear and natural voice communication for professional use.
It features a 132x48 backlit LCD display, providing clear visibility of call information, contacts, and system settings even in low-light environments.
The GRP2603 includes dual Gigabit Ethernet ports, allowing high-speed network connectivity and passthrough to a PC without performance loss.
As part of the Grandstream GRP carrier-grade series, it is designed for mass deployment and supports centralized provisioning and management through the Grandstream Device Management System (GDMS), enabling efficient remote configuration and monitoring.
It supports 5-way audio conferencing, improving collaboration and team communication within business environments.
The device also offers EHS (Electronic Hook Switch) support for popular headsets such as Jabra, Plantronics, and Sennheiser, enhancing user flexibility.
Key Features
- 3 lines with up to 6 SIP accounts
- HD audio (handset & speakerphone)
- 132x48 backlit LCD display
- Dual Gigabit Ethernet ports
- 5-way audio conferencing
- Centralized management via GDMS
- EHS headset support
- Carrier-grade GRP series design
- Secure boot and encrypted data protection
- Available in PoE (GRP2603P) and non-PoE versions
- Ideal for offices, SMEs, and service providers
