Telephone base indicator, Lights, Alert tones and lights – AT&T TL86109 User Manual
Page 135: Telephone base indicator lights

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Appendix
Alert tones and lights
Telephone base indicator lights
SPEAKER
light
On when the speakerphone
is in use.
1 LINE/2 LINE
On when line 1 or line 2
is in use.
Flashes quickly when
there is an incoming call.
Flashes slowly when the
call is on hold.
LINE 1
/MAILBOX/
LINE 2
/MAILBOX
On when mailbox of line 1 or
line 2 is playing the recorded
messages.
Flashes when there are new
messages in mailbox of line 1
or line 2.
DEVICE A/DEVICE B lights
On when the telephone
base is paired and
connected with a
Bluetooth device.
Flash alternately while
pairing a Bluetooth device.
Cellular light
On when the cell line is in use.
Flashes quickly when the there is an
incoming cell call.
Flashes slowly when a cell call is
on hold.
/ON/OFF LINE 1/ /ON/OFF LINE 2
On when the answering system of
line 1 or line 2 is turned on.