Single-Line 3. Sa O - AT&T MERLIN LEGEND Release 4.0 Feature Reference

Feature Reference
Behind Switch Mode
The factory-set ALS sequence includes only the prime line. The sequence can
be changed to an ICOM line followed by the prime line or outside lines. This
allows the single-line telephone user to use system features and to select the
prime line and/or outside lines by dialing the Idle Line Access code (usually
Telephone Differences
Queued Call Consoles
The ALS sequence on a QCC starts at the lowest Call button and moves
upward, and Ringing/Idle Line Preference is on. Neither can be changed.
Other Multiline Telephones
The ALS sequence is assigned through extension programming, using
programming codes only, or through centralized telephone programming.
Single-Line Telephones
The ALS sequence for a single-line telephone can be changed only through
centralized telephone programming. It cannot be changed by the telephone
user.
The ALS sequence for single-line telephones and other tip/ring equipment
connected to an 012 module, an 016 module, an 008 OPT module, or a
Multi-Function Module is factory-set to include only SA or ICOM buttons. As
outside trunks or pools are assigned to the extension, they are automatically
added to the ALS sequence.
In Key mode, if the ALS sequence for a single-line telephone is changed to
include only outside lines, the user cannot use system features except through
pressing and releasing the Recall or Flash button. (If the telephone does not
have positive disconnect, the user can press and release the switchhook).
In Behind Switch mode, the factory setting for the ALS sequence is the prime
line. The sequence can be changed to an ICOM button followed by the prime
line or outside lines. This allows a single-line telephone user to use system
features and to select the prime line and/or outside lines by dialing the Idle Line
Access code.
Automatic Line Selection and Ringing/Idle Line Preference
).

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