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Line Buttons
Line Button Lights
Each line button has a red light and a green light next to it. These lights indicate the following:
Light Meaning
Steady red The line you are using or will use when you lift the handset
or press the Speaker button.
Steady green The line is in use, or the feature programmed onto the line
button is on.
Flashing green An incoming call is ringing on this line button or a call you
transferred is returning to this line button (see p. 11).
Fast-flashing green You have put a call on hold on this line button.
Slow-flashing green Someone else has put a call on hold on this line button.
All Telephones
NNN-XXXX Make/receive outside calls
only.
Telephones with ICOM Buttons
ICOM Ring Make/receive inside calls
and receive inside voice-
announced calls.
ICOM Voice Make inside voice-
announced calls and
receive inside ringing and
voice-announced calls.
ICOM Originate Make (not receive) inside
Only calls only.
Telephones with System Access (SA) Buttons
SA buttons give you access to inside or
outside lines for making and/or receiving calls.
To make an outside call on an SA button, first
dial the dial-out code (usually 9) that your
System Manager supplies. No dial-out code is
necessary when you call another extension.
SA Ring Make/receive inside/outside
ringing calls and receive inside
voice-announced calls.
SA Voice Make/receive outside calls,
receive inside ringing and
voice-announced calls, and
make inside voice-announced
calls.
SA Originate Make (not receive) inside and
Only outside calls.
Understanding Your Direct-Line Console
Imprinted vs. Programmed Buttons
The following buttons are imprinted on MLX-20L and MLX-28D telephones. You must program
them onto 4424LD+ and 4424D+ telephones.
Button Function
Drop Press Drop and a line button to disconnect the person on that line from a
conference call.
Feature Press Feature to activate the Feature mode.
HFAI Press HFAI to answer the telephone via the speakerphone without picking up
the receiver.
Inspect Press Inspect and a line button to display information about the current or
ringing call or to see what feature is programmed onto that button.