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Using Advanced Phone Features
Configuring Privacy and Security Features
Cisco Small Business IP Phone SPA9XX User Guide 58
4
Configuring Privacy and Security Features
You can also configure these features using your PC and the IP Phone Web
Interface. See “Blocking Caller ID,” on page 77 and the “Blocking Anonymous
Calls,” on page 77.
Blocking Caller ID
You can block Caller ID from your phone so that your phone number will not
appear to the person you call.
To block Caller ID:
STEP 1 Press the Setup button.
STEP 2 Select Preferences.
STEP 3 Choose Block Caller ID and press Edit.
STEP 4 Press Y/ N to choose Ye s .
STEP 5 Press OK.
STEP 6 Press Save.
Blocking Anonymous Calls
Blocking anonymous calls prevents calls with unknown Caller ID from ringing your
phone. (For example, if a caller set his phone to not display Caller ID, the call is
considered anonymous.) These callers receive a busy signal or message.
To block anonymous calls:
STEP 1 Press the Setup button.
STEP 2 Select Preferences.
STEP 3 Choose Block Anonymous Call and press Edit.
STEP 4 Press Y/ N to choose Ye s .