Step by step
Overflow extension
An overflow extension only receives calls when the ex-
tension that was called is not available, that is, when it
is busy, there is no answer, or the number called does
not exist.
Examples:
•
The extension called is activated for room monitor-
ing (Babyphone)
•
The extension that was programmed as the first at-
tendant is currently assigned as internal entrance
telephone
•
no first attendant has been configured for the exten-
sion
Another way to access an Overflow extension is by di-
aling its internal number.
[1] The overflow extension cannot be configured or used for Fax (see
Programming an extension - overflow extension, in the program-
ming manual).
Functions used when receiving calls
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