Systems and methods for prerating costs for a communication event
US6704563B1 · kind B1 · utility
41Cited by
303References
38Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 11, 1999 |
| Grant date | Mar 9, 2004 |
| Priority date | — |
| Expiry date | Aug 11, 2019 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04M2215/8166
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
Systems and methods for prerating communication events, such as telephone calls, for prepaying customers are described. The systems and methods permit, at the beginning of a communication event, the determination of a time limit for the event based on the available balance in a prepayment account associated with the event.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.