Access code enhancement for caller preview service
US7388951B2 · kind B2 · utility
2Cited by
33References
24Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 21, 2003 |
| Grant date | Jun 17, 2008 |
| Priority date | — |
| Expiry date | Jan 21, 2023 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04M3/533
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
By manipulating parameters of call setup messages, calls made with a caller's access code in a caller preview service may be completed to the called party or voice mail box with caller identification information displayed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.