Method and apparatus to efficiently support group call confirmation
US10542391B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Aug 26, 2014 |
| Grant date | Jan 21, 2020 |
| Priority date | — |
| Expiry date | Nov 7, 2034 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04M1/27
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
A method in a call information server for a two-way radio system includes accessing, by the server, group list information associating the plurality of subscriber units with one or more groups; receiving, at the server, updates related to presence information, availability information, and the group list information; and confirming, by the server, for each particular subscriber unit indicated in a particular group list as forming a particular group, the particular subscriber unit's participation in a particular group call to the particular group, as a function of the presence information, the availability information, and the group list information. A call information server and a two-way radio system are also disclosed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.