Telephonic communications – Centralized switching system – Identification
Patent
1996-11-27
1998-11-03
Wolinsky, Scott
Telephonic communications
Centralized switching system
Identification
379142, 379201, H04M 157, H04M 342
Patent
active
058320725
ABSTRACT:
A method and apparatus are disclosed for delivering calling line information in a manner which preserves the privacy interests of the caller while providing useful information to the called party. The caller initiates a call from a caller terminal of a communication network. A destination central office or other network element receives the call along with a complete calling line number and delivers partial calling line information to the called party prior to connecting the call. The partial calling line information may include an NPA-NXX portion of an NPA-NXX-XXXX calling line number, geographical information such as state, county, city, township and zip code associated with the calling line, and/or an indication as to whether the call is from a residence, business, pay phone, cellular phone or other particular source such as a hospital or hotel. The central office or other network element may store the full calling line number in an incoming call log maintained for the called party, and a name selected by the called party may be associated with the calling line number. The central office will then deliver the selected name as part of the partial calling information when subsequent calls are placed from the calling line to the called party. This allows the called party to perform selective screening, call transfer and other functions without ever learning the full calling line number. The called party can also direct the central office to utilize the full calling line number stored therein to initiate a return call to the corresponding calling line.
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Bell Communications Research Inc.
Giordano Joseph
Hey David A.
Wolinsky Scott
Yeadon Loria B.
LandOfFree
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