- Grandstream Home
- Support
- Resources
Find the latest firmwares, installation guides, brochures,
datasheets and more for all our products
![](https://www.grandstream.com/hubfs/Grandstream_Feb_2021/Image/gxp2200_4ext.png)
GXP2200EXT Expansion Module
Equip any desktop with superior call control, network visibility and in-call flexibility. The GXP2200EXT extension module provides greater network control for high-call volume users with its backlit LCD display, BLF and Speed Dial keys and additional contacts/extensions per module. Supported by the GXP2140, GXP2170 and GXV3240.