Grandstream GRP2603P 3 Line IP Phone with 6 SIP Accounts PoE and HD Audio

Grandstream GRP2603P
The Grandstream GRP2603P is a high-performance IP phone tailored for busy professionals, customer service teams, and growing small to mid-sized businesses. As part of Grandstream’s Carrier-Grade IP Phone series, this device is designed for scalable deployments, offering robust features and secure provisioning capabilities.

With support for up to 6 SIP accounts across 3 line appearances, the GRP2603P allows for efficient handling of high call volumes. It features HD audio on both the full-duplex speakerphone and the handset, ensuring clear communication with every call. The integrated PoE and dual 10/100 Mbps Ethernet ports provide a streamlined setup with reduced wiring needs, ideal for any professional workspace.

For hands-free productivity, the GRP2603P includes Electronic Hook Switch (EHS) support for Plantronics and Jabra headsets. IT teams benefit from Zero-touch provisioning via Grandstream Device Management System (GDMS), as well as TR-069 and encrypted XML config file support—making remote setup and mass deployment fast and efficient.

With TLS and SRTP encryption protocols built in, this phone delivers enterprise-grade security that protects both signaling and media streams. The device also supports custom ringtones, multi-language interfaces, and GDMS for centralized control, making it suitable for large organizations.

Its durable construction, intuitive navigation keys, and backlit LCD screen ensure a smooth user experience. Whether at a front desk, in a contact center, or supporting a mobile workforce, the GRP2603P combines power, simplicity, and reliability in one sleek device.