Description
Grandstream GRP Series GRP2604 3-Line 6-SIP Gigabit IP Phone (Model: GRP2604) is a Essential Gigabit Desktop IP Phone engineered for commercial small businesses, distributed branches, remote home offices, and corporate cubicles. Features 3 physical line keys, 6 SIP accounts, 10 dual-color BLF/speed-dial keys, a 132×64 backlit graphical LCD, dual Gigabit Ethernet ports, an included universal power adapter (non-PoE), and 5-way audio conferencing.
Incorporating Grandstream Noise Shield technology, wideband Opus audio, and EHS headset support, it delivers excellent voice clarity. Fully manageable through the GDMS cloud platform and TR-069, its fanless passive cooling ensures quiet operation.
Technical Specifications
| Component / Parameter | Technical Specification |
|---|---|
| Product Line | GRP Series |
| Model / SKU | GRP2604 |
| Capacity / Scale | 6 SIP Accounts, 3 Line Keys, 10 Dual-Color BLF Keys, 5-way Audio Conferencing |
| Network / Telephony Interfaces | Dual switched auto-sensing 10/100/1000 Mbps Gigabit RJ45 Ethernet Ports (LAN/PC) |
| Packet / Voice Processing | Opus, G.722, G.711u/a, G.729A/B, G.726, iLBC; Grandstream Noise Shield Acoustic Filtering |
| Expansion & Peripheral Ports | RJ9 Headset Jack (with EHS support for Plantronics, Jabra, Sennheiser) |
| Operating System / Management | Embedded Linux; GDMS Cloud Management, Web UI, TR-069, encrypted XML configuration |
| Power Supply Specifications | Universal Power Adapter included: Input 100-240VAC 50/60Hz; Output 5VDC 0.6A (Non-PoE) |
| Maximum Power Consumption | 3.84W |
Mechanical & Environmental Specifications
| Parameter / Feature | Specification / Rating |
|---|---|
| Physical Dimensions (L × W × H) | 214 × 206 × 68 mm (with handset and stand) |
| Unit Weight | 790 g (0.79 kg) |
| Chassis & Display | 132 × 64 pixel backlit graphical LCD; 10 dual-color BLF keys, 4 XML soft keys |
| Heat Dissipation / Cooling | Fanless natural heat dissipation (noise-free operation) |
| Operating Temperature Range | 0°C to 40°C (32°F to 104°F) |
| Operating Relative Humidity | 10% to 90% (Non-condensing) |
| Mounting Capabilities | Desktop stand (2 positions) and Wall-mount (requires GRP_WM_S bracket) |
Key Features & Capabilities
- 10 Dual-Color BLF Keys: 10 dedicated speed-dial buttons provide immediate colleague line presence and speed dialing.
- Dual Gigabit Interfaces: Dual switched Gigabit ports deliver high-speed data passthrough to a co-located computer.
- Power Adapter Included: Includes a 5V power adapter for rapid deployment in offices without PoE network switches.
- Noise Shield Technology: Filters out ambient office noise to deliver pristine voice quality in open commercial work areas.
- Fanless Passive Cooling: Natural convection cooling delivers completely silent desktop performance.
- Centralized Cloud Control: Configured, managed, and monitored via the Grandstream Device Management System (GDMS).
Recommended Applications
The Grandstream GRP Series GRP2604 3-Line 6-SIP Gigabit IP Phone is designed for enterprise and commercial deployment scenarios, including:
- Commercial office desks requiring Gigabit network passthrough with included power adapter
- Administrative desks requiring 10 physical BLF speed-dial keys for colleague reachability
- Remote teleworker setups where local PoE switches are unavailable
- Corporate enterprise departments standardizing on cloud-managed VoIP phones
- Healthcare and clinic reception desks requiring fast one-touch call transfers
Installation & Operating Environment
The Grandstream GRP Series GRP2604 3-Line 6-SIP Gigabit IP Phone features a Desktop stand and Wall-mount enclosure measuring 214 × 206 × 68 mm (with handset and stand) and weighing 790 g (0.79 kg). It operates across an environmental temperature range of 0°C to 40°C (32°F to 104°F) and relative humidity of 10% to 90% (Non-condensing). Powered via Universal Power Adapter included: Input 100-240VAC 50/60Hz; Output 5VDC 0.6A (Non-PoE), it ensures dependable continuous operation and structured integration into commercial networking racks and office work environments.
