Telephonic communications – Reception of calling information at substation in wireline... – Extracting call id from transmitted signal
Reexamination Certificate
2011-05-31
2011-05-31
Tran, Quoc D (Department: 2614)
Telephonic communications
Reception of calling information at substation in wireline...
Extracting call id from transmitted signal
C379S142010, C379S142070, C379S211010
Reexamination Certificate
active
07953214
ABSTRACT:
Upon detecting an incoming call, a call screening system determines the CALLER ID information associated with the call and compares it to a database of allowable calling parties. If the calling party is to be allowed to ring through, the call screening system routes the incoming call to one or more communication devices associated with the calling party information in the allowable calling party database. Incoming call screening may be selectively different during different times of the day, for different calling parties, or for different communications devices connected to the call screening device. The call screening device may thus switch between allowing all incoming calls to ring through except those specifically designated to be blocked and screening all incoming calls except those specifically designated to be permitted to ring through. One or more override codes entered in a touch-tone keypad by the calling party may permit an incoming call to ring through despite an active screening mode.
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Bracewell & Giuliani LLP
Curio Ltd.
Tran Quoc D
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