Toshiba W53T Manual Manual page 7

Spam and One-ring Calls
If you receive spam:
You can set the mail filters to reject only specific mail or mail indicated
by (Unsolicited Advertisement), which often tends to be
spam.
The following mail filters are available for
rejecting spam:
Mail displayed with
(Unsolicited Advertisement) cannot be
received
Specified mail cannot be received
Only specified mail is received
Spoof e-mail cannot be received
If you receive a call from an unknown phone number:
It may be an attempt to get you to return a call to a service with very high
charges.
Incoming call
03-0002-XXXX
Page
in the Incoming History
indicates that there was
a call which rang three
seconds long or shorter.
Page
Danger!
60
32