AT&T MLX-10D, MLX-28D, MLX20L - page 77

Features
To Use Selective Callback for Busy Outside Lines
1.
2.
3.
When you hear a fast busy signal after dialing an outside number,
press programmed Callback button, or press Feature and select
Cback Sel[CbckS], or press Feature and dial 55.
If you hear a second dial tone, finish dialing the number and press #.
Hang up when you hear five short beeps.
Your call is placed in queue until the line becomes available. The green
light next to the line button flashes.
Lift handset or press Speaker when you hear one long ring and
three short rings.
You hear three short beeps, and your call is dialed automatically.
Note: On phones with ICOM buttons, you cannot use
Selective Callback for busy outside lines; use Line Request
instead.
To Turn Automatic Callback On and Off
1.
2.
3.
4.
5.
6.
7.
8.
Press Menu.
Select Ext Program[Prog].
Select Start.
Press any ICOM or SA button.
Select ListFeature[List].
Select Cback Auto[CbckA].
If this feature is not displayed, use FindFeature[Find] or press More.
Select On or Off , then select Enter.
Press Home.
Callback 5-11