Expansion Module compatible with the Sangoma S500 and S700 phones
160x320 graphic LCD display
2 pages of 20 programmable keys
Dual-color LED
2 control keys for fast page switching
Daisy chain up to 6 modules for up to 240 total programmable keys
All hard keys programmed directly from the EndPoint Manager module within FreePBX/PBXact UC for automatic configuration