E - 36 External Tone Ringer
Issue 6 Electra Elite
The External Tone Ringer does not operate on a trunk that is not
assigned to a Tenant group.
General:
An ECR-U10 ETU is required for common audible and control relays
(10 relays are provided).
The external ringing equipment must be locally provided.
Incoming calls to an External Tone Ringer can be answered by Call
Pickup (Intratenant/Intertenant).
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