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Section 700 - Operation
When a CO call or an Intercom Call arrives, a search begins for a Multi-
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Line key not in use. The lower numbered FF keys will be searched first.
When a free Multi-Line key is found, the LED flashes green and the
extension rings.
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extension goes off and the ringing stops, indicating that the Multi-Line key
on your te!ephone is no longer in use.
When dialing an extension number, the system automatically selects the
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free Multi-Line key w-i th the lowest number.
If the CO line or held extension does not respond before the Recall Timer
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expires, the extension rings and the Multi-Line key flashes green.
If LCR is enabled, ML keys can be assigned for trunk group 89. However,
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the FF keys will not light.
Description
Beginning with CPC-B Version 4, each extension can have either MC0 or
ML keys. Ln previous software versions, MC0 or ML keys were only
available on a system-wide basis, and the type of key that was available
differed according to the software release. Table 4-7 contains definitions of
releases.
Table 4-8. MCOIML availability
Related Programming
FF3 (Extension): ML/MC0 Separation
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Chapter 4. Key Telephone Features
CPC Version
CPC-B 1.0
CPC-B 2.0 - 3.1
4.0 and above
issued $11 I95
ML only
4-65 -
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