📦 Description: 
The Grandstream GXP2200EXT Expansion Module is designed to extend the functionality of Grandstream IP phones by providing additional programmable keys. It features a large LCD display and 40 fully programmable extension keys, making it ideal for receptionists, call center agents, and busy executives who need to manage multiple calls efficiently.

⚙️ Details:

• Product: IP Phone Expansion Module
• Brand: Grandstream
• Model: GXP2200EXT
• Display: 128 × 384 pixel LCD screen
• Keys: 20 dual‑color programmable keys per page (2 pages, total 40 keys)
• Navigation: 2 navigation keys for page switching
• Compatibility: Works with Grandstream GXP2140, GXP2170, GXV3240, GXV3275, and other supported models
• Power: Powered by host phone; no separate power supply required
• Features: BLF (Busy Lamp Field), speed dial, call transfer, call park, and other programmable functions
• Application: Reception desks, call centers, enterprise environments requiring high call volume management