Inventor
SAHNI PARAMDEEP S
US10 patents
⚠️ This page may combine multiple inventors who share the name “SAHNI PARAMDEEP S”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
AT & T BELL LAB
6 patentsUS5357564AOct 18, 1994
Intelligent call screening in a virtual communications network
AT & T BELL LAB86 citations95
US5184345AFeb 2, 1993
Enhanced isdn 800 service
AT & T BELL LAB75 citations95
US5018191AMay 21, 1991
Special service call routing
AT & T BELL LAB255 citations95
US5311583AMay 10, 1994
International priority calling system with callback features
AT & T BELL LAB175 citations94
US5329581AJul 12, 1994
Target area calling system
AT & T BELL LAB38 citations90
US5282243AJan 25, 1994
Recording of automatic number identification to identify lost customers
AT & T BELL LAB74 citations90
AT & T CORP
3 patentsUS5742674AApr 21, 1998
Automatic call-back system and method using data indicating best time to call
AT & T CORP116 citations95
US5463685AOct 31, 1995
Network based outbound call management
AT & T CORP79 citations92
US5506890AApr 9, 1996
Method and apparatus for group-specific calling
AT & T CORP53 citations91