User’s manual
TL7900
DECT 6.0
accessory cordless headset
Table of contents
Getting started
Quick reference guide -
headset ......................................... 1
Headset lights ........................... 1
Headset alert tones ................ 3
Quick reference guide -
headset charger ....................... 4
Installation ...................................... 5
Battery installation ..................... 6
Headset charger installation
and battery charging ............. 7
Adding and registering
headsets ...................................... 8
Register a headset to the
TL7910/TL7912
headset base ............................. 9
Register a headset to
an AT&T DECT cordless
telephone base .......................10
Deregistering headset ..............12
Deregister all headsets
from the TL7910/TL7912
headset base ..............................12
Deregister all headsets
from an AT&T DECT
cordless telephone base ....13
Headset attachments ...............14
Earbud ..........................................14
Over the ear hook ..................15
Over the head band ..............18
Behind the neck band ..........20
Operation
Headset operation .....................23
Power on/off the
headset ........................................23
Make a call.................................23
Answer a call ............................23
End a call ....................................23
Voice command .......................24
Headset ringer ......................... 24
Caller ID announce ................25
Temporary ringer
silencing ......................................25
Call waiting ................................25
Options while on calls .............26
Volume control ........................26
Mute ..............................................26
Multiple headsets use ..........27
Appendix
Troubleshooting ..........................28
Maintenance..................................34
Important safety
information ................................35
Safety information..................35