Description
Grandstream GXP Series GXP1628 2-Line Gigabit PoE IP Phone (Model: GXP1628) is a 2-Line Gigabit Desktop IP Phone engineered for small businesses, administrative workstations, medical practices, and dispatch desks. Features 2 SIP accounts, 2 line keys, 8 dual-color programmable BLF/speed-dial keys, a 132×48 backlit graphical LCD, and dual switched auto-sensing Gigabit Ethernet ports with integrated PoE.
Delivering HD audio on handset and speakerphone, it supports 3-way conferencing, Electronic Hook Switch (EHS) for Plantronics headsets, and automated provisioning via TR-069 and encrypted XML. Its passive fanless cooling ensures silent, maintenance-free desktop operation.
Technical Specifications
| Component / Parameter | Technical Specification |
|---|---|
| Product Line | GXP Series |
| Model / SKU | GXP1628 |
| Capacity / Scale | 2 SIP Accounts, 2 Line Keys, 8 Dual-Color BLF/Speed-Dial Keys, 3-way Conferencing |
| Network / Telephony Interfaces | Dual switched auto-sensing 10/100/1000 Mbps Gigabit RJ45 Ports with integrated PoE |
| Packet / Voice Processing | G.711u/a, G.722 (wideband), G.723, G.726, G.729A/B, iLBC; Acoustic Echo Cancellation |
| Expansion & Peripheral Ports | RJ9 Headset Jack (with EHS support for Plantronics headsets) |
| Operating System / Management | Embedded Linux; Web UI, TR-069, HTTP, HTTPS, TFTP, encrypted XML configuration |
| Power Supply Specifications | Integrated PoE (IEEE 802.3af Class 2); Universal Power Adapter included (5VDC 0.6A) |
| Maximum Power Consumption | 3.84W |
Mechanical & Environmental Specifications
| Parameter / Feature | Specification / Rating |
|---|---|
| Physical Dimensions (L × W × H) | 220.5 × 192.5 × 76 mm |
| Unit Weight | 800 g (0.8 kg) |
| Chassis & Display | 132 × 48 pixel backlit graphical LCD; 8 dual-color BLF keys, 2 line keys, 3 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 |
Key Features & Capabilities
- 8 Dedicated BLF Keys: 8 physical dual-color LED buttons provide instant line presence monitoring and one-touch speed dialing.
- Dual Gigabit Interfaces: Dual switched Gigabit ports deliver high-speed data passthrough to a connected desktop computer.
- Integrated PoE Support: Powered via standard 802.3af PoE or included universal power adapter for flexible installation.
- HD Wideband Acoustics: Engineered HD voice processing optimizes sound fidelity across handset and speakerphone modes.
- Fanless Convection Cooling: Passive cooling design guarantees quiet, distraction-free performance in office workspaces.
- Secure Mass Provisioning: Automated zero-touch provisioning is secured through TLS and SRTP media stream encryption.
Recommended Applications
The Grandstream GXP Series GXP1628 2-Line Gigabit PoE IP Phone is designed for enterprise and commercial deployment scenarios, including:
- Administrative desks requiring rapid one-touch speed dialing and colleague line status
- Small business workstations needing Gigabit passthrough connectivity for high-speed PCs
- Customer support desks managing multi-call transfers and consultations
- Medical clinic front offices monitoring provider phone availability
- Retail counter terminals requiring rapid departmental intercom access
Installation & Operating Environment
The Grandstream GXP Series GXP1628 2-Line Gigabit PoE IP Phone features a Desktop stand and Wall-mount enclosure measuring 220.5 × 192.5 × 76 mm and weighing 800 g (0.8 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 Integrated PoE (IEEE 802.3af Class 2); Universal Power Adapter included (5VDC 0.6A), it ensures dependable continuous operation and structured integration into commercial networking racks and office work environments.
