Method and apparatus for camp-on service control
US6567505B1 · kind B1 · utility
121Cited by
9References
8Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 6, 1998 |
| Grant date | May 20, 2003 |
| Priority date | — |
| Expiry date | Nov 6, 2018 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04M2203/2044
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
After a camp-on to a telephone B has been registered by a telephone A, when a callback is returned by detecting call termination of the telephone B, the callback can be temporarily released or the camp-on can be released by performing a release operation from a telephone D registered in the same group as the telephone A.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.