• Supports up to 2000 SIP endpoint registrations, up to 200 concurrent calls and up to 64 conference attendees
  • 1GHz quad-core Cortex A9 processor
  • 1GB DDR3 Ram, 32GB Flash
  • 1 Integrated T1/E1/J1 interface, 2PSTN trunk FXO ports, 2 analog telephone/Fax FXS ports with lifeline capability
  • Gigabit network ports with Integrates PoE, USB, SD card, integrated NAT router
  • Comprehensive security protection using SRTP, TLS and HTTPS with hardware encryption accelerator
  • Quickly setup and provision Grandstream endpoints using the Auto-Discovery and Zero Config feature within the product’s web user interface

VOIP Phone


·         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

·         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


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