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Press the 0 button twice.
Press the OK button.
Enter the base station PIN
(original setting
0000
).
Press the OK button.
Press 1 to bar the numbers
you have stored.
Press 3 to enable handsets to
dial only the numbers stored
Press 0 to switch call barring/
call enabling off.
Press the OK button to
confirm.
Press the RED PHONE button
to return to standby.
Base Lock Set
00
OK
➜
0
0
1
3
DEF
OK
OK
OK
KEYPAD
SECURITY