Indicator Lights - AT&T SynJ SB67148 User Manual

Appendix
Screen icons, indicator tones and lights

Indicator lights

Lighted display
LINE 1-LINE 4
On when a telephone
line is in use.
Flashes slowly when a
telephone line is
on hold.
Flashes rapidly when
there is an incoming call.
MUTE
Flashes slowly when
the corded handset
microphone or
speakerphone is muted.
HEADSET
On when the corded
headset is in use.
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NEW CALL
On when there are new
or missed calls in the
call log.
/MAILBOX
Flashes when there
are new or missed
messages in the
deskset mailbox.
SPEAKER
On when the speakerphone
is on.