Grandstream GRP2604(P)
3-Line Essential IP Phone Designed for Mass Deployment and Easy Management
The GRP2604 features 5-way voice conferencing to maximize productivity, integrated PoE (GRP2604P) and is supported by Grandstream’s Device Management System (GDMS).
- 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





Specification
| Display | 2.7 inch (132×64) backlit graphical LCD Display |
| Lines | 3 Lines |
| SIP Accounts | 6 SIP Accounts |
| Audio Conferencing | 3-way audio conferencing |
| Network Interfaces | Network InterfacesDual switched autosensing 10/100/1000 Mbps Gigabit Ethernet ports with integrated PoE (GRP2604P only) |
| Wi Fi | No |
| Device Management | Yes, GDMS |
| Custom Faceplates | Yes |