Part of the GRP series of Carrier-Grade IP Phones, the GRP2603 is an essential 3-line model designed with zero-touch provisioning for mass deployment and easy management. It features 5-way voice conferencing to maximize productivity and is supported by Grandstream’s Device Management System (GDMS). Built for the basic needs of on-site or remote desktop workers the GRP2603 offers an easy-to-use and easy-to-deploy voice endpoint.

• 3 lines, 6 SIP accounts, up to 3 call appearances
• Supported by GDMS which provides a centralized interface to configure, provision, manage and monitor Grandstream devices
• Electronic Hook Switch (EHS) support for Plantronics, Jabra, and Sennheiser headsets
• Full-duplex speakerphone with HD audio to maximize audio quality and clarity
• Equipped with noise shield technology to minimize background noise
• Supports 5-way audio conferencing for easy conference calls
• Enterprise-level protection including secure boot, dual firmware images, and encrypted data storage
• Swappable faceplate to allow for easy logo customization