Telephone intercom methods and systems
US6947534B2 · kind B2 · utility
4Cited by
10References
65Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 28, 2001 |
| Grant date | Sep 20, 2005 |
| Priority date | — |
| Expiry date | Aug 20, 2022 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04M3/42
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
Embodiments of the present invention relate to systems and methods for providing an intercom service. In an embodiment of the present invention, an intercom service request is received. The intercom service request includes a calling number associated with a location. The calling number is determined to correspond to a subscriber to the intercom service. Initiation of an intercom call to the location is directed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.