Blocked call notification system
US5463683A · kind A · utility
16Cited by
6References
24Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 28, 1993 |
| Grant date | Oct 31, 1995 |
| Priority date | — |
| Expiry date | Dec 28, 2013 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04Q3/72
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
A method and a system allow an inbound telecommunications subscriber to receive notification of blocked calls directed to that subscriber and other information associated with calls that are blocked due to lack of available egress facilities at the subscribers' premises communications systems.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.