Avaya 4027 User Manual page 205

OK
Activating Caller filter
Attention: If you activate the Caller filter and configure the accept list,
the handset accepts calls only from the numbers in the
caller filter list. If you configure the block list, the handset
blocks all calls from the numbers in the caller filter list.
To activate an accept or block list, perform the following steps:
Caller filter
Mode
Select
Select
9. Use the
Dialpad
10. Press the
OK
11. Press the
Clr
idle display.
1. Open the
Caller filter
"Accessing the Caller filter menu" (page
2. Press the
Up
option.
3. Press the
Select
4. Press the
Up
mode.
5. Press the
Select
6. Press the
Clr
idle display.
to enter the PIN code.
soft key.
key one or more times to return to the
menu using the steps in
or key to highlight the
Down
soft key.
or key to highlight the required
Down
soft key.
key one or more times to return to the
Telephone settings
200).
Mode
205