AT&T TL7912 User manual

User’s manual
TL7912
DECT 6.0 cordless headset
and handset lifter

Congratulations
on your purchase of this AT&T product. Before using this AT&T
product, please read the Important safety information section
on pages 51-54 of this manual. Please thoroughly read this user’s
manual for all the feature operations and troubleshooting information
necessary to install and operate your new AT&T product. You can
also visit our website at www.telephones.att.com or call
1 [phone]. In Canada, dial 1 [phone].
Model number: TL7912 (Headset, headset base and handset lifter)
Type: DECT 6.0 cordless headset and handset lifter
Serial number:
Purchase date:
Place of purchase:
Both the model and serial numbers of your AT&T product can be
found on the bottom of the headset base and lifter.
Save your sales receipt and original packaging in case it is
necessary to return this product for warranty service.
© 2012 Advanced American Telephones. All Rights Reserved. AT&T and
the AT&T logo are trademarks of AT&T Intellectual Property licensed to
Advanced American Telephones, San Antonio, TX 78219. Printed in China.

Parts checklist
Check to make sure the headset package includes the following
items. Save your sales receipt and original packaging in the
event warranty service is necessary.
Cordless headset
with medium-sized
earbud attached
Battery pack
(battery with battery
compartment cover
attached)
User's manual
User’s manual
TL7912
DECT 6.0 cordless headset
and handset lifter
Quick start guide
Quick start guide
TL7912
DECT 6.0 cordless headset
and handset lifter
2 earbuds
Behind-the-neck bandOver-the-head band
Line splitter
2 over-the-ear hooks

Parts checklist (continued)
Auxiliary ring
detector
Telephone line cord Large lifter padlifter padpadHandset lifterlifter
Headset base
Anti-slip pad
USB cable
Headset base
power adapter
Corded phone
connection cable

Optional accessory
In this manual, there are references to TL7900. The TL7900
includes an expansion headset and a headset charger (up to two
headsets can be used with the same headset base).
TL7900 can be purchased separately. For more information about
the product, visit our website at www.telephones.att.com.

User’s manual
TL7912
DECT 6.0 cordless headset
and handset lifter

1
light status
Red On when the headset is charging in the
headset base.
Flashes every 10 seconds to indicate the battery is
low when the headset is not in the headset base.
Flashes three times to indicate the headset is
powering off.
•
•
•
Blue On when a fully charged and registered headset is
in the headset base.
Flashes three times to indicate the headset is
powering on.
Flashes twice every three seconds when the headset
is in use.
Flashes four times every four seconds when there is
an incoming call in PHONE mode.
Flashes every 10 seconds when a fully charged
and registered headset in idle mode is out of the
headset base.
•
•
•
•
•
Red and blue Flashes slowly when the headset is not registered.
Flashes quickly when the headset is trying to
register to a headset base or telephone base.
•
•
Off The battery is dead.
No battery is installed.
The headset is powered off.
•
•
•
Quick reference guide - headset
Headset lights
(On/off button and light)
Press to make, answer or end a call
(pages 31 and 32).
Getting started

2
Getting started
VOL+/VOL-
Push the volume switch
on the headset to the
right or left to adjust the
headset ringer volume
while in idle mode
(page 32) or the
listening volume while
on a call (page 35).
Earpiece
Microphone
The microphone
incorporates
noise canceling
technology for
clearer calls.
MUTE/FLASH
Press to mute the
microphone during a call
(page 36).
Press and hold for two
seconds to answer an
incoming call when you
receive a call waiting alert
during a call (page 33).
Press to mute the ringer in
the earpiece when there is
an incoming call (page 33).
Quick reference guide - headset
Battery pack
Open to replace the
battery pack.

3
Getting started
One short beep Headset key tone.•
One short beep
every 30 seconds
Muted headset microphone alert tone.•
Two beeps Error alert tone.
The ringer volume is at its lowest setting.
The listening volume is at its highest or
lowest setting.
Any key is pressed while the headset is
out of range.
•
•
•
•
Two low beeps Call waiting alert tone.•
Two rapid beeps
every 20 seconds
Low battery warning.•
Three rising beeps A conference call starts.•
Three rapid beeps
every 20 seconds
The headset is out of range.
The headset is not yet registered.
•
•
Ring tone Incoming call alert tone.
Ring back tone.
•
•
Three rapid beeps The headset is powering on or off.•
Quick reference guide - headset
Headset alert tones