It begins one day and by 3 months the system has fully failed. One issue we’ve found is the main cabinet mother board develops an incurable “cancer”. In those 7 years many system shave been installed which is great to find replacement used parts. The Comdial DX-120 DX120 was introduced in 2007 and end of life in 2014. The Comdial DX-120 or DX120 is an extremely capable telephone system with the Edge 120 or the legacy 7260 Edge telephones it is very expandable and feature rich. Ohio TeleCom will Install, Service and Repair Business Telephone Systems.
