Call block disabler

Details Call block disabler Call block disabler

2006-05-16

2010-02-02

Woo, Stella L (Department: 2614)

Telephonic communications

Telephone line or system combined with diverse electrical...

Credit authorization

C379S210020

Reexamination Certificate

active

07657009

ABSTRACT:
A dial tone generator outputs a particular dial tone to a party to indicate that a call block feature is enabled for the party. The call block feature is disabled for the party in response to a number of incoming calls for the party being greater than or equal to a threshold.

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