Collect callback
US7116768B2 · kind B2 · utility
4Cited by
25References
71Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 26, 2003 |
| Grant date | Oct 3, 2006 |
| Priority date | — |
| Expiry date | Jul 4, 2024 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04M2215/62
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
In an implementation of collect callback, a call-in service establishes a communication link with a caller and initiates a collect callback option for the caller. A switch receives callback data from the call-in service and utilizes the callback data to establish a collect call via a second communication link between the caller and the call-in service.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.