GRP Series of Essential IP Phones
Part of the GRP series of Carrier-Grade IP Phones, the Essential IP phone line provides simple, easy-to-use devices with zero touch provisioning for mass deployment and easy management. The four devices in the Essential series are designed to offer simple-to-use, affordable desktop IP Phones with a sleek design and next-generation features. Built for the needs of on-site and remote workers and designed for easy deployment by enterprises, service providers and other high-volume markets, these essential IP phones offer an easy-to-use and easy-to-deploy voice endpoint.

GRP2604(P)
The GRP2604 features 5-way voice conferencing to maximize productivity, integrated PoE (GRP2604P) and is supported by Grandstream’s Device Management System (GDMS).
3-Line Essential IP Phone Designed for Mass Deployment and Easy Management
- 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 and AI noise reduction to minimize background noise
- Dual switched autosensing 10/100/1000 Mbps Gigabit Ethernet ports with integrated PoE (GRP2604P only)
- 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

GRP2603(P)
The GRP2603 features 5-way voice conferencing to maximize productivity, integrated PoE (GRP2603P) and is supported by Grandstream’s Device Management System (GDMS).
3-Line Essential IP Phone Designed for Mass Deployment and Easy Management
- 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 and AI noise reduction to
minimize background noise
- Dual switched autosensing 10/100/1000 Mbps Gigabit Ethernet ports with integrated PoE (GRP2603P only)
- 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
minimize background noise

GRP2602(P/W/G)
The GRP2602 features 5-way voice conferencing to maximize productivity, integrated PoE (GRP2602P/GRP2602G), Wi-Fi support (GRP2602W), and is supported by Grandstream’s Device Management System (GDMS).
2-Line Essential IP Phone Designed for Mass Deployment and Easy Management
- Supports 2 lines, and 4 SIP accounts
- 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 and AI noise reduction to minimize background
noise
- The GRP2602P/GRP2602G includes built-in PoE to power the device and give it a network connection
- 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
- GRP2602W includes integrated dual-band (2.4GHz and 5GHz) Wi-Fi 6 (802.11a/b/g/n/ac/ax) - hardware version 5.0 and above
noise

GRP2601(P/W)
The GRP2601 features 5-way voice conferencing to maximize productivity, integrated PoE (GRP2601P), Wi-Fi support (GRP2601W), and is supported by Grandstream’s Device Management System (GDMS).
2-Line Essential IP Phone Designed for Mass Deployment and Easy Management
- 2 SIP account, 2 lines
- GDMS online device management and provisioning
- 5-way audio conferencing for easy conference calls
- Equipped with noise shield
technology and AI noise
reduction to minimize
background noise
- Electronic Hook Switch (EHS) support for Plantronics, Jabra, and Sennheiser headsets
- The GRP2601P includes built-in PoE to power the device and give it a network connection
- Enterprise-level protection including secure boot, dual firmware images and encrypted data storage
- GRP2601W includes 2.4 GHz Wi-Fi support
technology and AI noise
reduction to minimize
background noise
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