Communication assistance system and method
US8139748B2 · kind B2 · utility
3Cited by
21References
8Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 5, 2008 |
| Grant date | Mar 20, 2012 |
| Priority date | — |
| Expiry date | Nov 29, 2030 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04W74/00
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
A communication assistance system provides access to information corresponding to a plurality of subscribers. The system includes a means for receiving incoming communications from a plurality of requesters desiring to access the information corresponding to subscribers and a database directory listing storing information corresponding to each one of the subscribers. The information includes a pre-announcement field containing information indicating whether a requester is pre-announced before a connection to a subscriber is made.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.