Telephonic communications – Special services – Call blocking
Reexamination Certificate
2007-11-20
2007-11-20
Addy, Thjuan K. (Department: 2614)
Telephonic communications
Special services
Call blocking
C379S200000, C379S201010
Reexamination Certificate
active
09891638
ABSTRACT:
A “parental control” (“PC”) telephone subscriber feature on a telephone system is disclosed. An authorized subscriber, such as a parent, may enter a feature code which initiates the PC feature. To deactivate the feature, the subscriber enters the code and is prompted for an authorization code, such as a personal identification number (“PIN”). If the authorization code entered matches the authorization code on file for the subscriber, the PC feature is deactivated. If no match is found in the subscriber database for the PIN, the feature is not deactivated.
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Addy Thjuan K.
AT&T BLS Intellectual Property Inc.
Lee & Hayes PLLC
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