2. To Block Numbers Without Caller ID
First press the “BACK/ NO CID” button, then press the left
or right arrow to toggle the NO CID on or off. Press “BACK/
NO CID” key again to exit and save.
Hint: All unavailable, private, anonymous, name not provided,
unknown numbers and calls with no Caller ID will be rejected when
NO CID ON is turned on. ( Warning: you may stopped ALL calls
from coming in after turn on BLOCK NO CID.)
Display of the LCD Screen
Number of blocked calls and
the BLOCK NO CID is turned
off.
Number of blocked calls and
the BLOCK NO CID is turned
on.
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