Conference call method and apparatus therefor
US7236773B2 · kind B2 · utility
1,591Cited by
8References
41Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | May 31, 2001 |
| Grant date | Jun 26, 2007 |
| Priority date | — |
| Expiry date | Apr 25, 2024 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02D30/70
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
A conference call facility is described in which one (2a) of a group of communication devices (2a,2b,2c,2d) connected to a low power radio frequency network (9) is able to set up a call to a party external of the network (9) and then selectively add further devices (2a,2b,2c) to the call under the control of the user of the one device (2a). The users of the other devices (2b,2c) are able to enable or disable the selection of their device in a conference call. One or more of the communication devices may be a mobile radio telephone equipped with the necessary network interface (1).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.