PT service system and method
US7561892B2 · kind B2 · utility
11Cited by
7References
21Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 25, 2005 |
| Grant date | Jul 14, 2009 |
| Priority date | — |
| Expiry date | Jul 6, 2027 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L65/1016
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
A PT service system and method are provided. According to an embodiment, there is provided a client device comprising a PT (push-to) client to transmit a talk burst request message for requesting a permission to send a talk burst. The talk burst request message includes a timestamp which includes time information associated with the transmission of the talk burst request message.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.