Canon MX870 Series User Manual page 914

No sender info.
Rejects faxes with no caller identification.
1-touch/code unset (MX870 series)/Coded dial unset (MX350 series)
Rejects faxes from senders not registered to speed dial codes.
Rejected numbers
Rejects faxes from senders registered in the machine as rejected numbers.
Caller rejection
If you subscribe to the Caller ID service, the machine detects the sender's Caller ID. If the
sender's ID does not match the conditions specified in this setting, the machine rejects the
phone call or fax reception from the sender.
If you select Yes, you can specify the following settings:
Anonymous no.
Selects whether to reject a phone call or fax reception from an anonymous number.
Out of area no.
Selects whether to reject a phone call or fax reception out of the subscribed service
area.
Rejected no.
Selects whether to reject a phone call or fax reception from the numbers registered to
Rejected numbers in Fax reception reject. If you select Reject for this setting, Register
rejected numbers? is displayed on the LCD. Select Yes to register a fax/telephone
number to reject. For details, see
Note
This setting may not be supported depending on the country or region of purchase.
Contact your telephone company to confirm whether it provides this service.
Rejecting Fax Reception .
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