Description
Grandstream GXP Series GXP2200EXT Backlit LCD Extension Module (Model: GXP2200EXT) is a IP Phone Expansion Module (Sidecar) engineered for administrative assistants, reception desks, and enterprise call dispatchers. It provides a 128×384 backlit graphic LCD, 20 physical programmable buttons with dual-color LEDs, 2 page switch keys supporting up to 40 line appearances per module, and daisy-chain support for up to 4 units (160 total lines).
Engineered for plug-and-play operation with Grandstream GXP2140, GXP2170, and GXV3240 phones, it connects via an integrated extension interface without requiring external software drivers. Drawing power directly from the host phone, its fanless design ensures silent, maintenance-free operation.
Technical Specifications
| Component / Parameter | Technical Specification |
|---|---|
| Product Line | GXP Series |
| Model / SKU | GXP2200EXT |
| Capacity / Scale | 20 Physical Keys per Module; 40 Extensions across 2 Screen Pages; Daisy-chain up to 4 Modules (160 Lines) |
| Network / Telephony Interfaces | Host Extension Port (Input / Output daisy-chain interfaces) |
| Packet / Voice Processing | Hardware-driven BLF, Speed Dial, Call Park, Pick-up, Intercom, Transfer, and Forwarding |
| Expansion & Peripheral Ports | Dedicated Daisy-Chain Connection Port for cascaded modules |
| Operating System / Management | Managed and configured directly via Host Phone Web UI and Grandstream GDMS |
| Power Supply Specifications | Powered directly by Host Phone (external 12VDC power adapter required when daisy-chaining 3 or more units) |
| Maximum Power Consumption | 3W |
Mechanical & Environmental Specifications
| Parameter / Feature | Specification / Rating |
|---|---|
| Physical Dimensions (L × W × H) | 206 × 117 × 32 mm |
| Unit Weight | 380 g (0.38 kg) |
| Chassis & Display | 128 × 384 pixel backlit graphical LCD display; 20 bi-color LED keys, 2 page 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 phone-attached bracket |
Key Features & Capabilities
- High-Density Call Monitoring: Provides 20 physical keys and 2 page switch buttons to monitor 40 line extensions per module.
- Daisy-Chain Expandability: Cascade up to 4 modules to monitor up to 160 programmable speed dial and BLF lines.
- Backlit Graphical Display: 128×384 pixel graphical LCD delivers clear digital labeling without paper insert strips.
- Silent Acoustic Design: Fanless passive heat dissipation ensures completely silent operation on operator desks.
- Host-Powered Architecture: Draws power directly from the host phone for simplified desktop cabling.
- Automated Endpoint Sync: BLF status, speed dials, and extension assignments automatically synchronize with the host phone.
Recommended Applications
The Grandstream GXP Series GXP2200EXT Backlit LCD Extension Module is designed for enterprise and commercial deployment scenarios, including:
- Executive assistant workstations managing complex multi-line call routing
- Corporate reception desks monitoring company-wide employee presence and BLF status
- Call center supervisor consoles monitoring agent line availability
- Dispatch offices coordinating rapid speed-dial communications
- Hospitality front-desk switchboards routing incoming guest and staff calls
Installation & Operating Environment
The Grandstream GXP Series GXP2200EXT Backlit LCD Extension Module features a Desktop phone-attached bracket enclosure measuring 206 × 117 × 32 mm and weighing 380 g (0.38 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 Powered directly by Host Phone (external 12VDC power adapter required when daisy-chaining 3 or more units), it ensures dependable continuous operation and structured integration into commercial networking racks and office work environments.






