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The GRP series Professional Carrier-Grade IP Phones are state-of-the-art, that were designed for mass deployment. This series of next-generation IP phones features a sleek new design, a re-imagined user experience, unified firmware and powerful feature options including Bluetooth & Wi-Fi support, a dual LCD screen, support for up to 14 lines, customization with personalized faceplates, 5-way conferencing, and more. For remote and cloud provisioning requirements, the GRP series is compatible with Grandstream’s new cloud provisioning platform, GDMS (Grandstream Device Management System). Designed for enterprises, service providers and other high-volume markets, the GRP series offers a powerful, easy-to-use and easy-to-deploy voice platform with next-gen features for high-end users.


  • 12 lines, 6 SIP accounts
  • Supported by GDMS which provides a centralized interface to configure, provision, manage and monitor Grandstream devices
  • 7-inch (1024x600) capacitive touch screen
  • Full-duplex speakerphone with HD audio to maximize audio quality and clarity
  • Equipped with noise shield technology to minimize background noise
  • Dual switched autosensing 10/100/1000 Mbps Gigabit Ethernet ports with integrated PoE
  • Integrated Bluetooth support
  • Enterprise-level security protection including secure boot, dual firmware images, and encrypted data storage
  • Swappable faceplate to allow for easy logo customization
  • Integrated dual-band Wi-Fi 802.11 a/b/g/n/ac (2.4Ghz & 5Ghz)

  • 14 lines, 6 SIP accounts
  • Supported by GDMS which provides a centralized interface to configure, provision, manage and monitor Grandstream devices
  • RJ9 headset jack allowing EHS with Plantronics headsets, and integrated USB Headset support
  • Full-duplex speakerphone with HD audio to maximize audio quality and clarity
  • Equipped with noise shield technology to minimize background noise
  • Dual switched autosensing 10/100/1000 Mbps Gigabit Ethernet ports with integrated PoE
  • Supports 5-way audio conferencing for easy conference calls
  • Enterprise-level security protection including secure boot, dual firmware images, and encrypted data storage
  • Swappable faceplate to allow for easy logo customization
  • Integrated dual-band Wi-Fi 802.11 a/b/g/n/ac (2.4Ghz & 5Ghz)

  • 12 lines, 6 SIP accounts
  • Supported by GDMS which provides a centralized interface to configure, provision, manage and monitor Grandstream devices
  • RJ9 headset jack allowing EHS with Plantronics headsets, and integrated USB Headset support
  • Full-duplex speakerphone with HD audio to maximize audio quality and clarity
  • Equipped with noise shield technology to minimize background noise
  • Dual switched autosensing 10/100/1000 Mbps Gigabit Ethernet ports with integrated PoE
  • 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 data storage
  • Integrated dual-band Wi-Fi 802.11 a/b/g/n/ac (2.4Ghz & 5Ghz)

  • 8 lines, 4 SIP accounts
  • Supported by GDMS which provides a centralized interface to configure, provision, manage and monitor Grandstream devices
  • RJ9 headset jack allowing EHS with Plantronics headsets, and integrated USB Headset support
  • Integrated Bluetooth to connect headsets, sync contacts, calendars and more
  • Full-duplex speakerphone with HD audio to maximize audio quality
    and clarity
  • Equipped with noise shield technology to minimize background
    noise
  • Dual switched autosensing 10/100/1000 Mbps Gigabit Ethernet ports with integrated PoE
  • Supports 5-way audio conferencing for easy conference calls
  • Enterprise-level protection including secure boot, dual firmware images, and encrypted
  • Swappable faceplate to allow for easy logo customization data storage
  • Integrated dual-band Wi-Fi 802.11 a/b/g/n/ac (2.4Ghz & 5Ghz)

  • 8 lines, 4 SIP accounts
  • Supported by GDMS which provides a centralized interface to configure, provision, manage and monitor Grandstream devices
  • Integrated Bluetooth to connect headsets, sync contacts, calendars and more
  • Full-duplex speakerphone with HD audio to maximize audio quality
    and clarity
  • Equipped with noise shield technology to minimize background noise
  • Dual switched autosensing 10/100/1000 Mbps Gigabit Ethernet ports with integrated PoE
  • Supports 5-way audio conferencing for easy conference calls
  • Enterprise-level protection including secure boot, dual firmware images, and encrypted
  • Swappable faceplate to allow for easy logo customization data storage
  • Integrated dual-band Wi-Fi 802.11 a/b/g/n/ac (2.4Ghz & 5Ghz)

  • HD audio, handset and speakerphone with support for wide-band audio
  • 6 line keys with up to 6 SIP accounts
  • Dual LCD screens with digital BLF Keys
  • Enterprise-level protection including secure boot, dual firmware images, and encrypted data storage
  • Integrated dual-band 802.11 a/b/g/n/ac Wi-Fi
  • Dual switched auto-sensing 10/100/1000 Mbps Gigabit Ethernet ports with integrated PoE
  • Swappable face plates to allow for easy logo customization
  • Integrated Bluetooth

  • HD audio, handset and speakerphone with support for wide-band audio
  • 10 line keys with up to 5 SIP accounts
  • 40 built-in digital BLF keys; available extension module offers 40 BLF/speed dial keys per module
  • Enterprise-level protection including secure boot, dual firmware images, and encrypted data storage
  • integrated dual-band Wi-Fi 802.11 a/b/g/n/ac (2.4Ghz & 5Ghz)
  • Dual switched auto-sensing 10/100/1000 Mbps Gigabit Ethernet ports with integrated PoE
  • Swappable face plates to allow for easy logo customization
  • Integrated Bluetooth

  • HD audio, handset and speakerphone with support for wide-band audio
  • 4 line keys with up to 4 SIP accounts, 8MPK extension keys with dual-color LED with 2 Left/Right keys
  • Dual LCD screens with digital BLF keys
  • Enterprise-level protection including secure boot, dual firmware images, and encrypted data storage
  • Integrated dual-band 802.11 a/b/g/n/ac WiFi
  • Dual switched auto-sensing 10/100/1000 Mbps Gigabit Ethernet ports with integrated PoE
  • Integrated Bluetooth

  • Supports up to 3 SIP accounts and 6 multipurpose line keys
  • Swappable face plates to allow for easy logo customization
  • Dual switched autosensing 10/100/1000 Mbps Gigabit ethernet ports with integrated PoE
  • HD audio with support for all major codecs, including wideband codecs G.722 and Opus
  • Up to 24 digital BLF keys
  • Enterprise-level protection including secure boot, dual firmware images, and encrypted data storage

  • Supports 2 SIP accounts and 4 multi-purpose line keys
  • GRP2612W includes built-in dual-band WiFi support
  • Swappable faceplate to allow for easy logo customization
  • HD audio supporting all major codecs, including wideband codecs G.722 and Opus
  • Up to 16 digital BLF Keys
  • Enterprise-level protection including secure boot, dual firmware images, and encrypted data storage