Specifications

Unique Line Ringing (#118)
Description
This option applies only to MLS-model system phones.
This system option lets you change the way outside calls ring. Normally,
outside calls on all lines use the same ringing pattern. When Unique Line
Ringing is Active, each line at an MLS-model system phone will ring with a
unique ringing pattern for all incoming outside calls. This helps users to identify
the line on which a call is ringing.
Considerations
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For each line, the unique ringing pattern for incoming outside calls is as
follows:
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Line 1 uses the factory set ringing pattern described in Chapter 3.
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Line 2 uses an ascending tone with dip.
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Line 3 uses a descending tone.
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Line 4 uses a mixed tone.
Outside calls transferred to your extension will ring with the appropriate ring
pattern followed by two beeps.
If multiple outside calls are ringing at an extension, you hear the ringing
pattern for the call that arrived first. After that call is answered, you hear the
ringing pattern for the call that arrived next.
This feature is not associated with local telephone company features such
as “distinctive ring” or CLASS distinctive ring services.
MLC-6, MDC 9000, MDW 9000, and standard phones always ring with the
factory-set ringing patterns described in Chapter 3.
Valid Entries
1 = Active
2 = Not Active ✔
5-44 Unique Line Ringing (#118)