REF “A’ STOCK - Grandstream GXP2200EXT 20 Button Add On Module COMPLETE GXP2170

Grandstream Networks GXP2200EXT Phone Expansion Module

grandstream gxp2200ext

Grandstream GXP 2020 EXT

REF “A’ STOCK - Yealink EXP20 20 Button Add On Module COMPLETE - Fits T27G T29G

Grandstream GXP2200EXT-CABLE for Expansion Module

Grandstream Networks GXP2200EXT Phone Expansion Module

Grandstream Networks GXP2200EXT Phone Expansion Module Cable Included