AT&T 518-455-317 Telephone User Manual


 
Programming
To change the way outside lines ring at an extension:
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Press [ Feature ] [ 0 ] [ 0 ] [ System Program ] [ System Program ] [ Central Tel Program ].
Enter the number of the extension to be programmed for Line Ringing.
The green lights next to the line buttons on the phone show the current
Line Ringing settings for all lines assigned to the extension. (If a line is not
assigned to a button, the green light next to the line button is off.) The
following ringing options can be shown by the line button lights:
Immediate Ring. The green light next to the button is on steady.
Delayed Ring. The green light next to the button flashes slowly.
No Ring. The green light next to the button flutters quickly.
To change Line Ringing on any line, press the line button until the button light
shows the correct setting (the setting for the currently selected line also
appears on the display).
Continue programming or exit programming mode.
Line Ringing
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