Telephonic communications – Special services – Anonymous party
Patent
1991-10-31
1994-07-12
Dwyer, James L.
Telephonic communications
Special services
Anonymous party
379 94, 379220, 379269, 3642748, 3649721, 395 62, H04M 342, H04M 1100, H04M 700, G06F 1538
Patent
active
053295820
ABSTRACT:
Tone treatment given to callers by an originating switching system (10) during dialing may be customized in a call-processing arrangement (200) that uses stored definitions of syntax (320, 350) and grammar (400, 410) of the network numbering plan. The syntax definitions include definitions (312) of individual symbol strings and their associated tones (336), if any. Associations of tones with symbol strings are administratively reprogrammable to change the specified tone treatment. Following dialing and identification (340) of an individual symbol string, a caller is immediately fed back (906) the string's associated tone, if any. A caller is thus immediately advised during dialing of successful or unsuccessful input of a valid symbol string, and is selectively prompted for input of another string. Caller-perceivable feedback signals other than tones may be used with equal effect.
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Bogart Frank J.
Butterfield Bruce D.
Chavez, Jr. David L.
Dittmer Henry C.
Fix Frederick R.
AT&T Bell Laboratories
Dwyer James L.
Hong Harry S.
Volejnicek David
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