Storing Unwanted Callers - Panasonic KX-TGM420 Operating Instructions Manual

Note:
• If the call has no phone number, the call is blocked
but it is not stored in the call block list.
• The call block feature is not available for intercom
calls or calls received by call waiting.
• Blocked calls are logged in the caller list.

Storing unwanted callers

The unit can block calls by storing the desired items in
the call block list beforehand (Caller ID subscribers
only).
– "Block a single number": The unit blocks calls
from specific phone numbers stored in the call block
list.
– "Block range of numbers": The unit blocks calls
that begin with a number stored in the call block list,
such as a toll-free phone number prefix or certain
area codes.
– "Block unknown CID": The unit blocks calls that
have no phone number.
Single phone numbers and ranges of numbers can be
stored in the call block list up to 250 items in total.
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