Push-to-talk features in wireless communications devices and methods
US8090396B2 · kind B2 · utility
2Cited by
8References
7Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 30, 2003 |
| Grant date | Jan 3, 2012 |
| Priority date | — |
| Expiry date | Apr 14, 2029 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04W76/45
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
A wireless communications terminal that communicates in a communications infrastructure and methods therefor including opening a push-to-talk (PTT) contact list application (220) on the terminal when the terminal is in a dormant state, for example, by depressing a PTT input, and transitioning the terminal from the dormant state to an active state when the PTT contact list application is opened. Other PTT features include among others indicating on the terminal whether PTT contacts in the contact list are available for a PTT session, and indicating which PTT participant is talking.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.