We are AbleComm, Inc., not Inter-Tel, Inc.We are a dealer, not the manufacturer.We sell and support Inter-Tel EncoreCX phone systems, NOT any other Inter-Tel phone systems.PLEASE don't ask us about GLX, GMX, Axxess or any other Inter-Tel systems. We won't be able to help you.You can call Inter-Tel at 1-480-858-9600.