Grandstream Networks GXP2200EXT IP add-on module black 20 buttons
Large 128x384 graphic LCD providing feature-rich graphics
Daisy-chain 4 modules for up to 160 programmable buttons
2 page switch keys which allows up to 40 extensions per extension module
20 programmable buttons per module
Busy Lamp Field (BLF)

Grandstream Networks DP752 station de base DECT Noir
6947273702733

GEQUDIO Power Supply 5 V / 2 A Compatible with Yealink, Snom, Fanvil, Grandstream and Other IP Phones - Slim Adapter and Energy Saving - Universal Charger with Hollow Plug - Pack of 1