Anonymous Caller Blocking Feature
What Is It?
Anonymous Caller Blocking allows you to automatically reject calls from callers
that have blocked the display of their phone number. Callers that are rejected will
hear a message that you are not accepting calls from unidentified callers.
How Do I Use It?
Follow these steps:
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Press *77 to activate your Anonymous Caller Blocking.
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Press *87 to deactivate it.