Power Fail Bypass is a facility that all Telephone Systems used to provide.
This is no longer the case, and yet it is often required. Power failure often means that the telephones do not work, resulting in loss of business.
When the power fails, relays connect incoming lines to dedicated analogue phones to enable incoming and outgoing calls to continue.
MODELS:
3 Line Power Fail 4 Line Power Fail 10 Line Power Fail
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