Power Failure Transfer Explained for Business Phone Systems
Power failure transfer is a built-in feature that keeps your phones working when the power goes out: if the mains supply fails, the PBX automatically connects a designated outside line straight to one or two extensions, bypassing the system electronics, so your team can still make and receive calls. It needs no batteries, no maintenance and no monthly cost – it simply works when everything else stops. This guide explains how power failure transfer works, how it differs from a UPS or a generator, and what to check before you buy. What Is Power Failure Transfer and How Does It Work? Power failure transfer works through a simple mechanical relay […]