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112
Extra features
Using this guide
Overview DT570
Contents
Preparing for use
Basic use
Telephoning options
Advanced telephoning
Phone book
Mail
Settings
Extra features
Using networks
Tips
Troubleshooting
Maintenance
Safety instructions
Technical
specifications
Glossary
The phone lock protects the cordless phone against unauthorized use. If
you want to activate the phone lock change the factory-programmed
phone lock code (0000) to any 3- to 8-digit personalized code.
Phone lock code protection
To activate the phone lock
Route: Access » Phone lock
1.
Look up the IPEI code of the cordless phone and
write it down. See “Looking up the IPEI code” on
page 116. If you happen to forget the phone lock
code, you will need the IPEI code to unlock the
cordless phone.
2.
Select
Phone lock
and press .
The current selection is shown in the display.
3.
Select
Full lock
and press .
ACCESS
Phone lock
(Unlocked)