Voice over internet protocol push-to-talk communication system
US7983199B1 · kind B1 · utility
23Cited by
5References
25Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 6, 2002 |
| Grant date | Jul 19, 2011 |
| Priority date | — |
| Expiry date | May 17, 2030 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L65/4061
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
A push-to-talk conference call is conducted over a packet switched network. Participants send a request and receive approval before being allowed to talk during the conference call. In one implementation, only one of the participants is enabled to transmit audio packets while other participants are only allowed to receive audio packets.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.