Features
- 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
| Specifications | |
| LCD | 2.7’’ graphical LCD |
| Resolution | 132 x 64 |
| LCD Backlight | √ |
| Line | 3 |
| PoE | √ |
| Wall Mounting | √ |
| Foot Stand | x |
| USB Port (2.0 compliant) | x |
| Ethernet Port | Dual-port Gigabit Ethernet |
| Handset Port (RJ-9) | √ |
| Headset Port (RJ-9) | √ |
| External Adapter (optional) | x |
| Line Keys | 3 |
| Memory Keys | x |
| Expansion Module | X |
| USB Recording | X |
| 5-way Conferencing | √ |
| HD audio | √ |
| Codecs | G.729A/B, G.711µ/a-law, G.726, G.722(wide-band), G.723,iLBC, OPUS, in- band/out-of-band DTMF, RFC2833, SIP INFO, VAD, AEC, CNG, PLC, AGC, AJB |
| Built-in Bluetooth | x |
| Built-in Wi-Fi | X |
| USB Headset | X |
| Camera | X |
| Video Resolution | X |
| Video Codecs | X |
| 3-way Video Conferencing | X |
| 5-way video/audio mixed conferencing | X |
| HDMI | X |
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